Basic Information Document Nigeria COVID-19 National Longitudinal Phone Survey (COVID-19 NLPS) Version 12 (updated on August 2021) ACRONYMS BMGF Bill and Melinda Gates Foundation CATI Computer Assisted Telephone Interview NLPS National Longitudinal Phone Survey GHS-Panel General Household Survey-Panel LSMS-ISA Living Standards Measurement Study – Integrated Surveys on Agriculture NBS National Bureau of Statistics WB World Bank 2 Table of Contents 1.0 Introduction ......................................................................................................................... 6 2.0 Sample and Weights ............................................................................................................ 7 2.1 Survey Sample .................................................................................................................. 7 2.2 Survey Weights ................................................................................................................ 8 3.0 Training of Interviewers for the Survey ............................................................................ 10 4.0 Field Work .......................................................................................................................... 10 4.1 Organization of Fieldwork.............................................................................................. 10 4.2 Gift to Households ......................................................................................................... 11 4.3 Pre-loaded Information ................................................................................................. 11 4.4 Respondents................................................................................................................... 11 4.5 Data Monitoring and Evaluation ................................................................................... 11 5.0 Data Management ............................................................................................................. 12 5.1 Computer Assisted Telephone Interview (CATI) ........................................................... 12 5.2 Data Communication System ........................................................................................ 13 5.3 Data Cleaning ................................................................................................................. 13 5.4 Confidential Information ............................................................................................... 13 6.0 Using the Data ................................................................................................................... 13 6.1 File Structure .................................................................................................................. 13 6.2 Merging Datasets ........................................................................................................... 14 7.0 Survey Rounds ................................................................................................................... 14 7.1 Baseline (Round 1) ......................................................................................................... 14 7.1.1 Overview ................................................................................................................. 14 7.1.2 Weights ................................................................................................................... 14 7.1.3 The Survey Instruments .......................................................................................... 15 7.1.4 Description of Datasets .......................................................................................... 16 7.2 Round 2 .......................................................................................................................... 17 7.2.1 Overview ................................................................................................................. 17 7.2.2 Sample .................................................................................................................... 17 7.2.3 The Survey Instruments .......................................................................................... 17 7.2.4 Description of Datasets .......................................................................................... 19 7.3 Round 3 .......................................................................................................................... 20 7.3.1 Overview ................................................................................................................. 20 7.3.2 Sample .................................................................................................................... 20 3 7.3.3 The Survey Instruments .......................................................................................... 21 7.3.4 Description of Datasets .......................................................................................... 23 7.4 Round 4 .......................................................................................................................... 23 7.4.1 Overview ................................................................................................................. 23 7.4.2 Sample .................................................................................................................... 23 7.4.3 The Survey Instruments .......................................................................................... 24 7.4.4 Description of Datasets .......................................................................................... 26 7.5 Round 5 .......................................................................................................................... 27 7.5.1 Overview ................................................................................................................. 27 7.5.2 Sample .................................................................................................................... 27 7.5.3 The Survey Instruments .......................................................................................... 29 7.5.4 Description of Datasets .......................................................................................... 31 7.6 Round 6 .......................................................................................................................... 32 7.6.1 Overview ................................................................................................................. 32 7.6.2 Sample .................................................................................................................... 32 7.6.3 The Survey Instruments .......................................................................................... 34 7.6.4 Description of Datasets .......................................................................................... 36 7.7 Round 7 .......................................................................................................................... 36 7.7.1 Overview ................................................................................................................. 36 7.7.2 Sample .................................................................................................................... 36 7.7.3 The Survey Instruments .......................................................................................... 37 7.7.4 Description of Datasets .......................................................................................... 39 7.8 Round 8 .......................................................................................................................... 40 7.8.1 Overview ................................................................................................................. 40 7.8.2 Sample .................................................................................................................... 40 7.8.3 The Survey Instruments .......................................................................................... 41 7.8.4 Description of Datasets .......................................................................................... 43 7.9 Round 9 .......................................................................................................................... 43 7.9.1 Overview ................................................................................................................. 43 7.9.2 Sample .................................................................................................................... 43 7.9.3 The Survey Instruments .......................................................................................... 44 7.9.4 Description of Datasets .......................................................................................... 46 7.10 Round 10..................................................................................................................... 47 4 7.10.1 Overview ................................................................................................................. 47 7.10.2 Sample .................................................................................................................... 47 7.10.3 The Survey Instruments .......................................................................................... 49 7.10.4 Description of Datasets .......................................................................................... 51 7.11 Round 11..................................................................................................................... 52 7.11.1 Overview ................................................................................................................. 52 7.11.2 Sample .................................................................................................................... 52 7.11.3 The Survey Instruments .......................................................................................... 54 7.11.4 Description of Datasets .......................................................................................... 56 7.12 Round 12..................................................................................................................... 57 7.12.1 Overview ................................................................................................................. 57 7.12.2 Sample .................................................................................................................... 57 7.12.3 The Survey Instruments .......................................................................................... 58 7.12.4 Description of Datasets .......................................................................................... 60 Appendix 1: How to Obtain Copies of the Data ........................................................................... 61 Appendix 2: Changes to the Data ................................................................................................. 62 June 2021 .................................................................................................................................. 62 5 1.0 Introduction The purpose of this document is to provide detailed information on Nigeria COVID-19 National Longitudinal Phone Survey (COVID-19 NLPS) implemented by the National Bureau of Statistics (NBS) from April 2020. The survey is the result of a partnership that the NBS has established with the Bill and Melinda Gates Foundation (BMGF) and the World Bank (WB). The Nigeria COVID-19 NLPS is a high-frequency phone survey of households and its ability to follow the same households over time makes it a powerful tool for studying and understanding socio-economic impact of the COVID-19 pandemic in Nigeria. The World Bank is providing support to countries to help mitigate the spread and impact of the new coronavirus disease (COVID-19). One area of support is for data collection to inform evidence-based policies that may help mitigate the effects of this disease. Towards this end, the World Bank is leveraging the Living Standards Measurement Study - Integrated Survey on Agriculture (LSMS-ISA) program to support high-frequency phone surveys on COVID-19 in 5 African countries – Nigeria, Ethiopia, Uganda, Tanzania, and Malawi. This effort is part of a broader first wave of World Bank-supported NLPS that can be used to help assess the economic and social implications of the COVID-19 pandemic on households and individuals. As part of this initiative, a World Bank team from the Development Data Group and the Poverty and Equity Global Practice provided technical support to NBS on implementation of the Nigeria COVID-19 NLPS. Nigeria was among the first few countries in Sub-Saharan Africa to identify cases of COVID-19. Reported cases and fatalities have been increasing since it was first identified. The government implemented strict measures to contain the spread of this virus (such as travel restrictions, school closures and home-based work). While the Government is implementing these containment measures, it is important to understand how households in the country are affected and responding to the evolving crises, so that policy responses can be designed well and targeted effectively to reduce the negative impacts on household welfare. The objective of Nigeria COVID-19 NLPS is to monitor the socio-economic effects of this evolving COVID-19 pandemic in real time. These data will contribute to filling critical gaps in information that could be used by the Nigerian government and stakeholders to help design policies to mitigate the negative impacts on its population. The Nigeria COVID-19 NLPS is designed to accommodate the evolving nature of the crises, including revision of the questionnaire on a monthly basis. The households were drawn from the sample of households interviewed in 2018/2019 for Wave 4 of the General Household Survey—Panel (GHS-Panel). The extensive information collected in the GHS-Panel just over a year prior to the pandemic provides a rich set of background information on the Nigeria COVID-19 NLPS households which can be leveraged to assess the differential impacts of the pandemic in the country. Each month, the households will be asked a set of core questions on the key channels through which individuals and households are expected to be affected by the COVID-19-related 6 restrictions. Food security, employment, access to basic services, coping strategies, and non- labour sources of income are channels likely to be impacted. The core questionnaire is complemented by questions on selected topics that rotate each month. This provides data to the government and development partners in near real-time, supporting an evidence-based response to the crisis. 2.0 Sample and Weights 2.1 Survey Sample Wave 4 of the GHS-Panel conducted in 2018/19 served as the frame for the Nigeria COVID-19 NLPS survey. The GHS-Panel sample includes 4,976 households that were interviewed in the post-harvest visit of the fourth wave in January/February 2019. This sample of households is representative nationally as well as across the 6 geopolitical Zones that divide up the country. In every visit of the GHS-Panel, phone numbers are collected from interviewed households for up to 4 household members and 2 reference persons who are in close contact with the household in order to assist in locating and interviewing households who may have moved in subsequent waves of the survey. This comprehensive set of phone numbers as well as the already well-established relationship between NBS and the GHS-Panel households made this an ideal frame from which to conduct the COVID-19 monitoring survey in Nigeria. Among the 4,976 households interviewed in the post-harvest visit of the GHS-Panel in 2019, 4,934 (99.2%) provided at least one phone number. Around 90 percent of these households provided a phone number for at least one household member while the remaining 10 percent only provided a phone number for a reference person. Households with only the phone number of a reference person were expected to be more difficult to reach but were nonetheless included in the frame and deemed eligible for selection for the Nigeria COVID-19 NLPS. To obtain a nationally representative sample for the Nigeria COVID-19 NLPS, a sample size of approximately 1,800 successfully interviewed households was targeted. However, to reach that target, a larger pool of households needed to be selected from the frame due to non-contact and non-response common for telephone surveys. Drawing from prior telephone surveys in Nigeria, a final contact plus response rate of 60% was assumed, implying that the required sample households to contact in order to reach the target is 3,000. 3,000 households were selected from the frame of 4,934 households with contact details. Given the large amount of auxiliary information available in the GHS-Panel for these households, a balanced sampling approach (using the cube method) was adopted. The balanced sampling approach enables selection of a random sample that still retains the properties of the frame across selected covariates. Balancing on these variables results in a reduction of the variance of the resulting estimates, assuming that the chosen covariates are correlated with the target variable. Calibration to the balancing variables after the data collection further reduces this 7 variance (Tille, 2006 1). The sample was balanced across several important dimensions: state, sector (urban/rural), household size, per capita consumption expenditure, household head sex and education, and household ownership of a mobile phone. The first and third columns in Table 2- below present the (unweighted) characteristics of the full GHS-Panel sample and the sampled 3,000 households for the Nigeria COVID-19 NLPS. Both samples have very similar profiles. All 3,000 households were contacted in the baseline round of the phone survey. Table 2-1 presents the interview result for the baseline sample. 69 percent of sampled households were successfully contacted. Of those contacted, 94 percent or 1,950 households were fully interviewed. These 1,950 households constitute the final successful sample and will be contacted in subsequent rounds of the survey. Table 2-1: Result of Interview # of % of overall households sample Contacted 2070 69.0 Complete 1950 65.0 Partially Complete 65 2.2 Refused 42 1.4 Language barrier 13 0.4 Not contacted 930 31.0 Nobody answering 82 2.7 Number does not exist 48 1.6 Phone turned off 600 20.0 Wrong number (don't know the household) 107 3.6 Reference person can't connect to household 93 3.1 2.2 Survey Weights In order to produce national estimates from the successfully interviewed sample, weights must be applied to the information provided by sampled households. Weights for the GHS-Panel serve as the basis for the Nigeria COVID-19 NLPS, but the weights must be adjusted to reflect the selection and interviewing process. The weights for the Nigeria COVID-19 NLPS were calculated in several stages. 1. Begin with the GHS-Panel full sample household weights. 2. Apply an adjustment factor for the selection into the frame (GHS-Panel households that have contact details). A ratio adjustment was applied at the Zone-level (the strata for the 1 Tillé, Y. (2006). Sampling algorithms (pp. 147 - 176). Springer New York. 8 GHS-Panel) to preserve the sum of household weights within each Zone between the full GHS-Panel sample and the NLPS frame. 3. Apply an adjustment for selection into the NLPS sample. The adjustment is a simple expansion factor that is the inverse of the selection probability from the frame for each sampled unit. 4. Apply an adjustment factor for non-contact of sampled households. This was again performed with a ratio adjustment at the Zone-level. 5. Apply an adjustment factor for non-response of contacted households through a ratio adjustment at the Zone-level. 6. Calibrate the weights (following adjustments 2-5) according to the properties of the full weighted GHS-Panel sample. This calibration step adjusts the weights such that the estimates obtained from the final NLPS sample will match the weighted means of the full GHS-Panel sample for specified characteristics. The calibration was performed using only information obtained from the GHS-Panel interview and thus will only reflect changes in the sample composition and not changes over time. The calibration applied here aims to correct for selection bias that is introduced at any point between identification of the frame and the final successfully interviewed sample. Selection bias is of particular concern in phone surveys since some segment of the population does not have access to a phone and there are more difficult barriers to successfully reach and interview households over the phone. The calibration was applied using the ReGenesees package in R. The characteristics that were considered in the calibration were the same factors included in the balanced sample selection described in 3.1 above. The weights were also applied to the total number of households in the population given by the GHS-Panel weights. 7. Trim the weights. Outlier weights were trimmed using the ReGenesees package in R which adjusts the weights to given bounds while minimizing the deviation from the estimates obtained from the calibration in step 6. In subsequent rounds of the survey, steps 4, 5, and 6 will be applied to the final baseline weights. Table 2-2 below presents the full set of weighted and unweighted estimates across the different samples. Following the weighting adjustments and calibration, the weighted estimates obtained from the GHS-Panel and NLPS samples match very closely across all dimensions. Table 2-2: Sample Composition* Phone sample GHS Initial Interviewed Sample sample Characteristic Unweighted Weighted (unweighted) Unweighted Weighted Sample size 4976 - 3000 1950 - Characteristics Average household size 5.33 5.53 5.33 5.52 5.53 Female head (%) 20.1 18.6 20.2 19.1 18.6 Age of head 49.8 48.8 49.4 49.4 49.2 Head Literate (%) 72.8 74.4 72.9 79.4 74.4 9 Education level of head None 22.2 20.5 22.0 15.8 20.6 Primary 24.6 24.1 24.3 24.6 24.1 Junior Secondary 4.3 4.0 4.7 4.4 4.0 Senior Secondary 23.3 23.9 23.7 26.7 23.9 Tertiary 16.7 16.0 16.8 21.7 16.0 Religious/other 8.9 11.5 8.5 6.8 11.4 Asset ownership Regular mobile phone 66.1 65.4 66.5 71.1 66.0 Smart phone 26.5 26.7 26.7 32.9 26.8 Television 45.5 45.1 46.4 55.3 48.1 Refrigerator 18.0 17.3 18.4 23.4 18.7 Car 9.8 9.6 9.9 12.5 9.4 Generator 26.3 24.6 26.3 32.4 24.4 * Based on information from the GHS only. 3.0 Training of Interviewers for the Survey Personnel were selected from the pool of NBS interviewers that have experience with the Survey Solutions platform and have previously conducted phone surveys. Prior to the start of every round of the survey, a group of main interviewers, callback interviewers, and supervisors were trained virtually (over Skype) to conduct the survey. The trainings lasted 2-3 days and focused on providing participants with detailed understanding of the survey and the Computer Assisted Telephone Interview (CATI) techniques, elucidation of important concepts and questions in the questionnaire. The trainings were led by the World Bank team with additional inputs provided by the NBS coordinators. Following the training, the interviewers carried out mock interviews in order to become more familiar with the questionnaire and interviewing techniques before interviewing respondents. After the mock interviews, a 1-day pilot was conducted with households retired from the GHS-Panel sample. Each interviewer conducted around 4 interviews during the pilot. The survey materials (presentations, manual, questionnaire and Survey Solutions assignments) were sent to trainees prior to the start of the trainings. This was to ensure that they become familiar with the materials and also have a smooth training. 4.0 Field Work 4.1 Organization of Fieldwork Data were collected by trained NBS interviewers who individually made phone calls from their respective homes. Since the country was on lockdown during the preparation and data collection exercise for the baseline round, interviewers were not allowed to be in the office. Therefore, all interviews were conducted from interviewers’ homes. Although the lockdown restrictions were partially lifted following the baseline, interviewers will continue to conduct interviews from home in subsequent rounds until it is deemed safe for them to return to the 10 office. In addition, all other correspondence to the interviewers were made through WhatsApp, phone and emails. 4.2 Gift to Households As a show of appreciation for the households’ participation, all households that gave consent to be interviewed, were transferred 500 Naira credit to their phones (even if their interviews are only partially completed). The transfers are made to successfully interviewed households in every round. Since some of the sampled households do not have personal phone numbers, they were interviewed via a reference person’s phone. Thus, starting from the third round, reference persons were also credited 500 Naira credit to their phones. 4.3 Pre-loaded Information Basic information on every household was pre-loaded in the CATI assignments for each interviewer. The information was pre-loaded to (1) assist interviewers in calling and identifying the household and (2) ensure that each pre-loaded person is properly addressed and easily matched to the most recent interviews. Basic household information (location, household head name, phone number, etc.) was pre-loaded. The list of individuals from the previous interview and their basic characteristics were uploaded. This helped maintain the panel of individuals and ensured the status of each individual in the subsequent round of the survey. 4.4 Respondents Each round of the Nigeria COVID-19 NLPS has ONE RESPONDENT per household. The respondent was the household head or a knowledgeable adult household member. The respondent must be a member of the household. Unlike many other household surveys, interviewers were not expected to seek out other household members to provide their own information. The respondent may still consult with other household members as needed to respond to the questions, including to provide all the necessary information on each household member. Interviewers were instructed to make every effort to reach the same respondent in subsequent rounds of the survey, in order to maintain the consistency of the information collected. However, in cases where the previous respondent was not available, interviewers would identify another knowledgeable adult household member to interview. 4.5 Data Monitoring and Evaluation As an additional aid to ensuring good quality data, extensive monitoring was performed throughout the fieldwork for each round of the survey. Three monitoring exercises were implemented during data collection. First, Survey Solutions’ audio recording functionality was activated for 15 percent of the sample. These interview recordings were audited by 3 trained monitors, though not all recorded interviewers were able to be reviewed due to personnel constraints. On a daily basis, the monitors will listen to these recordings and fill in a structured questionnaire with their observations on interviewer performance. The feedback from these 11 audio audits are then filtered to the respective interviewers. The second quality check implemented were call backs to contacted households. The call backs were conducted by trained interviewers who are not part of the main data collection interviewers. Each day, up to 36 households that were contacted by the interviewing team are called by these call back interviewers. The call back interviewers conduct a short interview with the household to confirm that the interviewer did indeed conduct the interview, that certain key elements were clearly stated to the respondent, that the interviewer conducted themselves in a professional manner, and other details on the interview process. Further, the call back team asked several time-invariant questions of the respondent to further confirm the interview was fully conducted and the interviewer captured the information correctly. Feedback from call backs were routed to the respective interviewers to improve on identified areas. Further, the call back interviewers also called households that were not successfully contacted by the main interviewer. In some cases, the call back interviewer was able to reach the household. In such cases, the case was sent back to the interviewer to conduct the interview. The third quality check was interviews with “mystery respondents”. These were interviews conducted with the monitoring team without the interviewer’s knowledge. Interviewers were given an assignment with pre-filled details from a household not selected for the NLPS but where the prefilled contact details routed the call to a member of the monitoring team. The mystery respondents were given pre-determined answers to questions in the questionnaire such that when the interviewer calls, they should provide those responses. A short questionnaire was also prepared for the mystery respondents to fill during or immediately after the interview to share their feedback on the interviewer’s performance. The feedback from this exercise were routed to the interviewers to improve on areas highlighted by the monitoring team. As a result of these quality checks, some of the interviewers were dropped from participating in the survey. There were also regular check-ins to address questions and issues the interviewers might have. 5.0 Data Management 5.1 Computer Assisted Telephone Interview (CATI) The Nigeria COVID-19 NLPS exercise was conducted using Computer Assisted Telephone Interview (CATI) techniques. The household questionnaire was implemented using the CATI software, Survey Solutions. The Survey Solutions software was developed and maintained by the Data Analytics and Tools Unit within the Development Economics Data Group (DECDG) at the World Bank. Each interviewer was given two tablets, which they used to conduct the interviews. Overall, implementation of survey using Survey Solutions CATI was highly successful, as it allowed for timely availability of the data from completed interviews. 12 5.2 Data Communication System The data communication system used in the Nigeria COVID-19 NLPS was highly automated. Each interviewer was given a mobile modem allowing for internet connectivity and daily synchronization of their tablet. This ensured that head office in Abuja has access to the data in real-time. Once the interview is completed and uploaded to the server, the data is first reviewed by the Supervisors, and then routed for call back or audio audit if selected. A feedback questionnaire was also designed in Survey Solutions where interviewers receive respective feedback on their tablet from the various monitoring stages. This activity is done on a daily basis throughout the duration of the data collection. 5.3 Data Cleaning The data cleaning process was done in three main stages. The first stage was to ensure proper quality control during the fieldwork. This was achieved in part by incorporating validation and consistency checks into the Survey Solutions application used for the data collection and designed to highlight many of the errors that occurred during the fieldwork. The second stage cleaning involved the use of Supervisors in Survey Solutions. As indicated above, once the interview is completed and uploaded to the server, the Supervisors reviewed completed interviews for inconsistencies and extreme values. Depending on the outcome, they can either approve or reject the case. If rejected, the case goes back to the respective interviewer’s tablet upon synchronization. The supervisor will provide general and question-specific comments when rejecting a particular completed interview. These errors were then corrected based on another call to the household on the instruction of the supervisor. The data that had gone through this first stage of cleaning and has no issues is then approved by the Supervisor. The third stage of cleaning involved a comprehensive review of the final raw data following the first and second stage cleaning. Every variable was examined individually for (1) consistency with other sections and variables, (2) out of range responses, and (3) formatting. Some minor errors remain in the data where the diagnosis and/or solution were unclear to the data cleaning team. 5.4 Confidential Information For purposes of maintaining the confidentiality of the data, all names, phone numbers, and addresses have been removed from the datasets. 6.0 Using the Data 6.1 File Structure The data should always be used in conjunction with the questionnaire and the interviewer’s instruction manual. Where there are no issues of confidentiality, all the variables from the questionnaire have been included in the data sets. In some cases, there is an additional variable which contains the "other specify" information that was written in the questionnaire. So, for 13 example, the other specify variable will be indicated with an “_os” attached to the variable name such as q5_os containing the “other specify” information for a variable q5. Every effort was made to keep question numbers (and thus variable names) as consistent as possible through different rounds of the survey. If questions were dropped in previous round, the numbering was preserved. If questions were added in the middle of a section, a letter was added to the question number at that space in the sequence (e.g. if added before question 2, the question number would be 2a). This was done to make utilization of the data sets across the rounds as consistent as possible. 6.2 Merging Datasets All datasets contain a variable (hhid), which is a unique identifier for the household. This variable is used as the unique key variable in the merging of all household type datasets. In some of the other types of datasets, additional key variables may be required in the merging process. In the case of individual type files, the variable that uniquely identifies the individual in the household is indiv. In order to merge any two individual type files, both the variables hhid and indiv would be used. Since the Nigeria COVID-19 NLPS is a panel survey, the datasets from every round can be merged. Additionally, since the GHS-Panel 2018/19 served as the frame for the Nigeria COVID- 19 NLPS survey, the Nigeria COVID-19 NLPS datasets can be merged with the GHS-Panel datasets. The household’s unique key variable (hhid) is used to merge the household type datasets and the individual’s unique key variables (hhid and indiv) are used to merge any individual type files. New individuals added in the Nigeria COVID-19 NLPS will be identified with an indiv greater than 100. It will not be possible to merge these newly added individuals with the GHS-Panel data. 7.0 Survey Rounds 7.1 Baseline (Round 1) 7.1.1 Overview The Nigeria COVID-19 NLPS Baseline was administered between April 20 and May 11, 2020. A total of 22 main interviewers, 3 call back interviewers, and 2 supervisors conducted the survey. All 3,000 households selected from the GHS-Panel Wave 4 sample were contacted, with 1,950 of those being fully successfully interviewed. More details on the contact/response rates can be found in section 2.1 above. 7.1.2 Weights The weights can be found in the household-level data file (r1_sect_a_3_4_5_6_8_9_12). The variable name is wt_baseline. 14 7.1.3 The Survey Instruments The Nigeria COVID-19 NLPS Baseline consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. Household Questionnaire: The Household Questionnaire provides information on demographics; knowledge regarding the spread of COVID-19; behaviour and social distancing; access to basic services; employment; income loss; food security; concerns; coping/shocks; and social safety nets. The contents of questionnaire are outlined below. Table 7-1: Nigeria COVID-19 NLPS Baseline Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information and Roster of call attempts, result and respondent of call Phone Number Roster attempt, interview consent, date and time of call back, roster of phone numbers, the information of the person that the listed phone number belongs to 2 Household Roster Update Roster of members of the household, relationship to the household head, gender, age, marital status, reason for joining the household if new, and reason for leaving the household if left 3 Knowledge Regarding the Knowledge of coronavirus, measures to reduce the risk Spread of COVID-19 of contracting coronavirus, steps taken by the federal/state government to curb the spread of coronavirus, satisfaction at steps taken by the federal/state government and reason for not being satisfied 4 Behaviour and Social Behaviour of adopting prevention measures Distancing (handwashing and social distancing) 5 Access to Basic Services Household’s access to medicine, soap, cleaning supplies, staple food (rice, beans, cassava, yam and sorghum), medical treatment and financial services (the bank, money agent and the ATM), reason for not being able to access the services, education or learning activities of children at home including contact with children’s teachers 6 Employment Status and information of income-generating activities (wage work, family business and farming), reason for stopped working, reason for not able to perform activities as usual, and reason for reduced revenue from family business 7 Income Loss Household’s sources of livelihood and their status since mid-March 15 Section Topic Description 8 Food Security Household’s food security status during the last 30 days 9 Concerns Concerns over immediate family becoming seriously ill from COVID-19 and household’s financial status 10 Coping/Shocks Shocks that affected household since mid-March and their coping strategies 11 Social Safety Nets Type, value and source of assistances that household received from social safety net programs since mid- March 12 Interview Results Result of interview including observation notes by enumerator regarding the interview, respondent and language of interview 7.1.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Baseline survey. • Household Roster • Knowledge Regarding the Spread of COVID-19 • Behaviour and Social Distancing • Access to Basic Services • Employment • Income Loss • Food Security • Concerns • Coping/Shocks • Social Safety Nets Table 7-2 shows the datasets and their corresponding sections of the Questionnaire. Table 7-2: Nigeria COVID-19 NLPS Baseline Datasets Dataset Filename Section(s) Section Name(s) r1_sect_a_3_4_5_6_8_9_12 A, 3, 4, 5, Cover, Knowledge Regarding the Spread of 6, 8, 9, 12 COVID-19, Behaviour and Social Distancing, Access to Basic Services, Employment, Food Security, Concerns, Interview Results r1_sect_1 1 Interview Information r1_sect_1b r1_sect_2 2 Household Roster Update r1_sect_7 7 Income Loss r1_sect_10 10 Coping/Shocks r1_sect_11 11 Social Safety Nets 16 7.2 Round 2 7.2.1 Overview The Nigeria COVID-19 NLPS Round 2 was administered between June 2 and June 16, 2020. A total of 19 main interviewers, 3 call back interviewers, and 2 supervisors were involved in the fieldwork. 7.2.2 Sample Interviewers attempted to contact and interview all 1,950 households that were successfully interviewed in the baseline of the COVID-19 NLPS. As shown in Table 7-3, 1,852 households (95% of the 1,950 attempted) were contacted and 1,820 (93.3%) were successfully interviewed in the second round. Of those contacted, 22 households refused outright to be interviewed and 10 were partially interviewed. Table 7-3: Round 2 - Result of Interview # of % of overall households sample Total Sample 1,950 100.0 Contacted 1,852 95.0 Complete 1,820 93.3 Partially Complete 10 0.5 Refused 22 1.1 Language barrier 0 0.0 Not contacted 98 5.0 Nobody answering 38 1.9 Number does not exist 1 0.1 Phone turned off 49 2.5 Wrong number (don't know the household) 2 0.1 Reference person can't connect to household 8 0.4 7.2.2.1 Weights The baseline weights were adjusted for noncontact and nonresponse as well as calibrated following the same procedures outlined in section 2.2 (steps 4, 5 and 6). The round 2 weights can be found in the household-level data file (r2_sect_a_2_5_6_8_12). The variable name is wt_round2. 7.2.3 The Survey Instruments The Nigeria COVID-19 NLPS Round 2 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. 17 Household Questionnaire: The Household Questionnaire provides information on demographics; access to basic goods and services; employment (including non-farm enterprise and agricultural activity); other income; food security; and social safety nets. The contents of questionnaire are outlined below. Table 7-4: Nigeria COVID-19 NLPS Round 2 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person that the listed phone number belongs to 2 Household Roster Roster of members of the household, relationship to the Update household head, gender, age, marital status, reason for joining the household if new, and reason for leaving the household if left 5 Access to Basic Services Household’s access to drinking water, soap and water for washing hands, medical treatment, reason for not being able to access the services, education or learning activities of children at home including contact with children’s teachers 6 Employment Status and information of income-generating activities (wage work, family business and farming), reason for stopped working, reason for not able to perform activities as usual, reason for reduced revenue from family business, changes made to family business, changes made to crop planting activities, and reasons for making the changes 7 Other Income Household’s sources of livelihood 8 Food Security Household’s food security status during the last 30 days 11 Social Safety Nets Type, value and source of assistances that household received from social safety net programs 12 Interview Results Result of interview including observation notes by interviewer regarding the interview, respondent and language of interview There were some changes made in the questionnaires between Baseline and Round 2. Table 7-5 outlines these changes. 18 Table 7-5: Baseline to Round 2 Comparison Section Notes Section A: Cover No changes Section 1: Interview Information Questions added in Round 2: Q5a-d and Phone Number Roster Section 2: Household Roster Questions added in Round 2: Q0a-b Update Section 3: Knowledge Regarding Dropped in Round 2 the Spread of COVID-19 Section 4: Behaviour and Social Dropped in Round 2 Distancing Section 5: Access to Basic Questions added in Round 2: Q1e-f, Q1c-d Services Questions dropped in Round 2: Q4a Questions re-worded or options modified in Round 2: FILTER Section 6: Employment Re-organized to have 3 cases based on FILTER for Employment sub-section (Q1-Q10) Re-organized to have 5 cases based on FILTER for non- farm enterprise sub-section (Q11-Q15b) New sub-section on agriculture (Q16-Q23) Section 7: Income Loss Section renamed as “Other Income” in Round 2 Section 7: Other Income Section renamed from “Income Loss” in Round 2 Questions dropped in Round 2: Q2 Questions re-worded or options modified in Round 2: Q1 Section 8: Food Security Questions added in Round 2: Q1, Q2, Q3, Q5, Q7 Section 9: Concerns Dropped in Round 2 Section 10: Coping/Shocks Dropped in Round 2 Section 11: Social Safety Nets Questions added in Round 2: Q5, Q6 Section 12: Interview Results No changes 7.2.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 2 survey. • Household Roster • Access to Basic Services • Employment • Other Income • Food Security • Social Safety Nets Table 7-6 shows the datasets and their corresponding sections of the Questionnaire. 19 Table 7-6: Nigeria COVID-19 NLPS Round 2 Datasets Dataset Filename Section(s) Section Name(s) r2_sect_a_2_5_6_8_12 A, 2, 5, 6, Cover, Household Roster Update (Q0), 8, 12 Access to Basic Services, Employment, Food Security, Interview Results r2_sect_1 1 Interview Information r2_sect_1b r2_sect_2 2 Household Roster Update r2_sect_7 7 Other Income r2_sect_11 11 Social Safety Nets 7.3 Round 3 7.3.1 Overview The Nigeria COVID-19 NLPS Round 3 was administered between July 6 to July 20, 2020. A total of 19 main interviewers, 3 call back interviewers, and 3 supervisors were involved in the fieldwork. 7.3.2 Sample Interviewers attempted to contact and interview all 1,925 households that were successfully interviewed in the Baseline of the COVID-19 NLPS, excluding 25 households that had refused2 in Round 2. Thus, the sample included households that were not successfully interviewed in Round 2, in an effort to maintain the sample size. As shown in Table 7-7, 1,837 households (95.4% of the 1,925 attempted) were contacted and 1,790 (93%) were successfully interviewed in the third round. Of those contacted, 28 households refused outright to be interviewed and 18 were partially interviewed. Of the 1,790 successfully interviewed households, 1,737 were households that have been successfully interviewed in all three rounds of the survey so far. These are the households that form a complete panel across the three rounds. 7.3.2.1 Weights In Round 3, two different weights are provided: cross section and panel weights. The cross section weights are applicable to the entire round 3 sample while the panel weights are only applicable to round 3 sample households that have been successfully interviewed in all three rounds of the survey so far. For both of these weights, the baseline weights were adjusted for noncontact and nonresponse as well as calibrated following the same procedures outlined in section 2.2 (steps 4, 5 and 6). The round 3 weights can be found in the household-level data file 2 22 households that refused outright and 3 households that refused mid-way through the Round 2 interview. 20 (r3_sect_a_2_5_6_12). The cross section weight is contained in the variable named wt_round3 while the panel weight is contained in the variable named wt_r3panel. Table 7-7: Round 3 - Result of Interview # of % of overall households sample Total Sample 1,925 100 Contacted 1,837 95.4 Complete 1,790 93.0 Partially Complete 18 0.9 Refused 28 1.5 Language barrier 1 0.1 Not contacted 88 4.6 Nobody answering 28 1.5 Number does not exist 1 0.1 Phone turned off 47 2.4 Wrong number (don't know the household) 4 0.2 Reference person can't connect to household 8 0.4 Panel sample (interviewed in R1, 2, & 3) 1,737 90.2 7.3.3 The Survey Instruments The Nigeria COVID-19 NLPS Round 3 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. Household Questionnaire: The Household Questionnaire provides information on demographics; access to basic goods and services; housing; employment (including non-farm enterprise and agricultural activity); other income; coping/shocks; and social safety nets. The contents of questionnaire are outlined below. Table 7-8: Nigeria COVID-19 NLPS Round 3 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person that the listed phone number belongs to 2 Household Roster Roster of members of the household, relationship to the Update household head, gender, age, marital status, reason for joining the household if new, and reason for leaving the household if left 5 Access to Basic Services Household’s access to basic food items, medical 21 Section Topic Description treatment, vaccination/immunization for children aged 0- 5 years, public transportation, reason for not being able to access the services; coronavirus self-assessment tool; use of soap, use of face coverings in public, and attendance to religious or social gatherings; education or learning activities of children at home; out-of-state travel 5A Housing Migration (whether the household has moved from their original place of domicile since the outbreak of the pandemic); household’s ownership status of the current dwelling, and their ability to pay rent 6 Employment Status in employment, why currently not working, job search, change in jobs, actual job, information on wage work; operating status of family business/non-farm enterprise, reason for closure, sector of family business, change in revenue; access to farm inputs 7 Other Income Household’s sources of livelihood 10 Coping/Shocks Shocks that affected household since the baseline interview and their coping strategies 11 Social Safety Nets Type, value and source of assistances that household received from social safety net programs 12 Interview Results Result of interview including observation notes by interviewer regarding the interview, respondent and language of interview There were some changes made in the questionnaires between Round 2 and Round 3. Table 7-59 outlines these changes. Table 7-9: Round 2 to Round 3 Comparison Section Notes Section A: Cover No changes Section 1: Interview Information No changes and Phone Number Roster Section 2: Household Roster No changes Update Section 5: Access to Basic Questions added in Round 3: Q1e, Q1ai-Q1ci, FILTER2, Services Q3a-Q3f, Q11-Q17 Questions dropped in Round 3: Q1a, Q1a1, Q1b, Q1b1, Q1c, Q1c1, Q1e, Q1f, Q6, Q7 Section 5A: Housing Added in Round 3 Section 6: Employment Questions added in Round 3: Q8f, Q8g, Q11c Questions dropped in Round 3: Q8d, Q8e, Q15 Questions re-worded or options modified in Round 3: FILTER 22 Section Notes Questions in agriculture sub-section have been renumbered in Round 3 Section 7: Other Income No changes Section 8: Food Security Dropped in Round 3 Section 10: Coping/Shocks Added in Round 3 Section 11: Social Safety Nets No changes Section 12: Interview Results No changes 7.3.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 3 survey. • Household Roster • Access to Basic Services • Housing • Employment • Other Income • Coping/Shocks • Social Safety Nets Table 7-10 shows the datasets and their corresponding sections of the Questionnaire. Table 7-10: Nigeria COVID-19 NLPS Round 3 Datasets Dataset Filename Section(s) Section Name(s) r3_sect_a_2_5_5a_6_12 A, 2, 5, Cover, Household Roster Update (Q0), 5a, 6, 12 Access to Basic Services, Housing, Employment, Interview Results r3_sect_1 1 Interview Information r3_sect_1b r3_sect_2 2 Household Roster Update r3_sect_7 7 Other Income r3_sect_10 10 Coping/Shocks r3_sect_11 11 Social Safety Nets 7.4 Round 4 7.4.1 Overview The Nigeria COVID-19 NLPS Round 4 was administered between August 9 to August 24, 2020. A total of 18 main interviewers, 3 call back interviewers, and 3 supervisors were involved in the fieldwork. 7.4.2 Sample 23 Interviewers attempted to contact and interview all 1,881 households that were successfully interviewed in the Baseline of the COVID-19 NLPS, excluding 69 households that had refused in Round 2 or Round 3. Thus, the sample included households that were not successfully interviewed subsequent to the baseline in an effort to maintain the sample size. As shown in 7- 11, 1,819 households (96.7% of the 1,881 attempted) were contacted and 1,789 (95.1%) were successfully interviewed in the fourth round. Of those contacted, 19 households refused outright to be interviewed and 9 were partially interviewed. Of the 1,789 successfully interviewed households, 1,691 were households that have been successfully interviewed in all four rounds of the survey so far. These are the households that form a complete panel across the four rounds. 7.4.2.1 Weights In Round 4, two different weights are provided: cross section and panel weights. The cross section weights are applicable to the entire round 4 sample while the panel weights are only applicable to round 4 sample households that have been successfully interviewed in all four rounds of the survey so far. For both of these weights, the baseline weights were adjusted for noncontact and nonresponse as well as calibrated following the same procedures outlined in section 2.2 (steps 4, 5 and 6). The round 4 weights can be found in the household-level data file (r4_sect_a_2_5_5b_6_8_9_12). The cross section weight is contained in the variable named wt_round4 while the panel weight is contained in the variable named wt_r4panel. Table 7-11: Round 4 - Result of Interview # of % of overall households sample Total Sample 1,881 100 Contacted 1,819 96.7 Complete 1,789 95.1 Partially Complete 9 0.5 Refused 19 1.0 Language barrier 2 0.1 Not contacted 62 3.3 Nobody answering 7 0.4 Number does not exist 0 0.0 Phone turned off 52 2.8 Wrong number (don't know the household) 0 0.0 Reference person can't connect to household 3 0.2 Panel sample (interviewed in R1, 2, 3, & 4) 1,691 89.9 7.4.3 The Survey Instruments The Nigeria COVID-19 NLPS Round 4 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. 24 Household Questionnaire: The Household Questionnaire provides information on demographics; access to basic goods and services; credit; employment (including non-farm enterprise and agricultural activity); food security; income changes; concerns; and social safety nets. The contents of questionnaire are outlined below. Table 7-12: Nigeria COVID-19 NLPS Round 4 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person that the listed phone number belongs to 2 Household Roster Roster of members of the household, relationship to the Update household head, gender, age, marital status, reason for joining the household if new, and reason for leaving the household if left 5 Access to Basic Services Household’s access to medical treatment, pre-natal and post-natal care visits, check-up and preventative care visits, reason for not being able to access the services; use of soap, use of face coverings in public, and attendance to religious or social gatherings; education or learning activities of children at home; women’s savings 5B Credit Household’s debts status since the beginning of the coronavirus crisis; use of loan, ability to repay loan when their scheduled payment is due 6 Employment Status in employment, why currently not working, job search, change in jobs, actual job, information on wage work; operating status of family business/non-farm enterprise, reason for closure, sector of family business, change in revenue; expected harvest and revenues from crop sales; effect of the coronavirus crisis on livestock activities, expected revenues from livestock sales, effect of the coronavirus crisis on livestock sales 7 Income Changes Household’s sources of livelihood, change in income compared to August 2019 8 Food Security Household’s food security status during the last 30 days 9 Concerns Concerns over immediate family becoming seriously ill from COVID-19 and household’s financial status 11 Social Safety Nets Type, value and source of assistances that household received from social safety net programs 12 Interview Results Result of interview including observation notes by 25 Section Topic Description interviewer regarding the interview, respondent and language of interview There were some changes made in the questionnaires between Round 3 and Round 4. Table 7-13 outlines these changes. Table 7-13: Round 3 to Round 4 Comparison Section Notes Section A: Cover No changes Section 1: Interview Information No changes and Phone Number Roster Section 2: Household Roster No changes Update Section 5: Access to Basic Questions added in Round 4: FILTER3, Q2a-Q2f, Q5b, Services Q5c, Q21-Q23 Questions dropped in Round 4: Q1ai-Q1ci, FILTER2, Q3a- Q3f, Q11-Q17 Section 5A: Housing Dropped in Round 4 Section 5B: Credit Added in Round 4 Section 6: Employment Questions added in Round 4: Q11b1, QA16, QA9-QA11 Questions dropped in Round 4: Q8f, Q8g, Q15a, Q15b, QA1-QA8, Sub-section “Agriculture – Livestock” added in Round 4 (QB1-QB13) Section 7: Other Income Section renamed as “Income Changes” in Round 4 Section 7: Income Changes Section renamed from “Other Income” in Round 4 Questions re-worded or options modified in Round 4: Item Code, Q1 Questions added in Round 4: Q2 Section 8: Food Security Added in Round 4 Section 9: Concerns Added in Round 4 Section 10: Coping/Shocks Dropped in Round 4 Section 11: Social Safety Nets No changes Section 12: Interview Results No changes 7.4.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 4 survey. • Household Roster • Access to Basic Services • Credit • Employment 26 • Income Changes • Food Security • Concerns • Social Safety Nets Table 7-14 shows the datasets and their corresponding sections of the Questionnaire. Table 7-14: Nigeria COVID-19 NLPS Round 4 Datasets Dataset Filename Section(s) Section Name(s) r4_sect_a_2_5_5b_6_8_9_12 A, 2, 5, Cover, Household Roster Update (Q0), 5b, 6, 8, Access to Basic Services, Credit, 9, 12 Employment, Food Security, Concerns, Interview Results r4_sect_1 1 Interview Information r4_sect_1b r4_sect_2 2 Household Roster Update r4_sect_7 7 Income Changes r4_sect_11 11 Social Safety Nets 7.5 Round 5 7.5.1 Overview The Nigeria COVID-19 NLPS Round 5 was administered between September 7 to September 21, 2020. A total of 18 main interviewers, 3 call back interviewers, and 3 supervisors were involved in the fieldwork. 7.5.2 Sample Interviewers attempted to contact and interview all 1,856 households that were successfully interviewed in the Baseline of the COVID-19 NLPS, excluding 94 households that had refused in previous rounds of the survey Thus, the sample included households that were not successfully interviewed subsequent to the baseline in an effort to maintain the sample size. As shown in Table 7-15, 1,794 households (96.7% of the 1,856 attempted) were contacted and 1,774 (95.6%) were successfully interviewed in the fifth round. Of those contacted, 13 households refused outright to be interviewed and 5were partially interviewed. Of the 1,774 successfully interviewed households, 1,656 were households that have been successfully interviewed in all five rounds of the survey so far. These are the households that form a complete panel across the five rounds. 27 One new feature of the fifth round was more extensive individual-level data collection on employment of household members3. For the employment module, information on working age (15-64 years) members of the household was targeted, including respondents that fall into this age range. However, information was not captured for all members aged 15-64. In order to limit the burden for respondents and interviewers in cases where the number of working age members is large, a maximum of 6 household members were selected (in addition to the main respondent) to capture information on employment. Therefore, for households with less than 6 working age members, all eligible members were included. However, 95 percent of interviewed households had 6 or less working age members and only 5 percent had more than six. For the 5 percent with more than 6 working age members, 6 members were randomly selected from among the pool of eligible members. The selection was stratified by sex with an equal split of 3 male and 3 females was targeted, depending on the pool of eligible males and females. However, the application of selection was relatively rare. Of 4,392 working age members of the household in round 5 (excluding the main respondent), information was collected on 4,184 or about 95.2 percent of eligible individuals. In addition, 1,581 main respondents aged 15-64 were also interviewed bringing the final sample of working age members with employment information to 5,765. Table 7-15: Round 5 - Result of Interview # of % of overall households sample Total Sample 1,856 100 Contacted 1,794 96.7 Complete 1,774 95.6 Partially Complete 5 0.3 Refused 13 0.7 Language barrier 2 0.1 Not contacted 62 3.3 Nobody answering 6 0.3 Number does not exist 0 0.0 Phone turned off 50 2.7 Wrong number (don't know the household) 2 0.1 Reference person can't connect to household 4 0.2 Panel sample (interviewed in R1, 2, 3, 4, & 5) 1,656 89.2 3 Although interviewers made attempts to collect employment information directly from each individual selected, it proved exceedingly difficult to do so. As a result, only 37.3% of individual responses were obtained from the actual individual in question with the remaining 62.7% being collected via proxy (typically provided by the main respondent). 28 7.5.2.1 Weights In Round 5, several different weights are provided: two at the household-level and three at the individual-level. The two household weights are the same as have been provided in previous rounds, that is cross section and panel weights. The cross section weights are applicable to the entire round 5 sample while the panel weights are only applicable to round 5 sample households that have been successfully interviewed in all five rounds of the survey so far. For both of these weights, the baseline weights were adjusted for noncontact and nonresponse as well as calibrated following the same procedures outlined in section 2.2 (steps 4, 5 and 6). The round 5 household weights can be found in the household-level data file (r5_sect_a_2_5c_6_12). The cross section weight is contained in the variable named wt_round5 while the household panel weight is contained in the variable named wt_r5panel. Given the focus on individual employment information in round 5 and the selection steps outlined above for the sample of working age members, an additional three individual-level weights were calculated and provided in the round 5 data. The individual weights for the employment module were calculated according to: ℎ −1 ℎ = ℎ × � � ℎ Where ℎ is the sampling weight for individual who is sex (male or female) in household ℎ, ℎ is the final household level weight (i.e. wt_round5), ℎ is the total number of eligible household members (aged 15-64) of sex in household ℎ and ℎ is the equivalent number of selected eligible individuals in the household. The individual weights were then calibrated to correspond to the sex and age 4 distribution of the total working age population according to the post-harvest visit of the GHS-Panel. The basic individual weight described above is the cross section individual weight that considers all individuals that employment information was collected on. This weight is called wt_employ_r5 and can be found in the individual-level employment data file (r5_sect_6b). However, an additional two weights are provided for the panel of individuals interviewed in the GHS-Panel wave 4 and round 5 of the NLPS (i.e. excluding individuals added in the NLPS). The first weight (wt_employ_r5_pp_panel) contains the weight for individuals interviewed in the post-planting visit of the GHS-Panel wave 4 and the second (wt_employ_r5_ph_panel) contains the weight for individuals interviewed in the post-harvest visit of the GHS-Panel wave 4. 7.5.3 The Survey Instruments The Nigeria COVID-19 NLPS Round 5 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. 4 The age groups considered in the calibration were 15-24, 25-34, 35-44, 45-54, 55-64 years, all further disaggregated by sex (male/female). 29 Household Questionnaire: The Household Questionnaire provides information on demographics; education; employment (including non-farm enterprise and agricultural activity); and other income. The contents of questionnaire are outlined below. Table 7-16: Nigeria COVID-19 NLPS Round 5 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person that the listed phone number belongs to 2 Household Roster Roster of members of the household, relationship to the Update household head, gender, age, marital status, reason for joining the household if new, and reason for leaving the household if left 5c Education Reason for children not attending school, safety precautions available in school, education or learning activities of children at home including contact with children’s teachers 6 Employment Status in employment, why currently not working, job (respondent) search, change in jobs, actual job; operating status of family business/non-farm enterprise, reason for closure, sector of family business, change in revenue; expected harvest and revenues from crop sales; expected revenues from livestock sales 6b Employment (selected Status in employment, why currently not working, job household members) search, change in jobs, actual job 7 Other Income Household’s sources of livelihood 12 Interview Results Result of interview including observation notes by interviewer regarding the interview, respondent and language of interview Different sections have been included in the questionnaires across rounds. Table 7-17 tracks sections in the questionnaires across rounds. Table 7-17: Sections Across Nigeria COVID-19 NLPS Rounds NLPS Round Section 1 2 3 4 5 A. Cover X X X X X 1. Interview Information and Phone Number Roster X X X X X 30 2. Household Roster Update X X X X X 3. Knowledge Regarding the Spread of COVID-19 X 4. Behaviour and Social Distancing X 5. Access to Basic Services X X X X 5a. Housing X 5b. Credit X 5c. Education X 6. Employment (respondent) X X X X X 6b. Employment (selected household members) X 7. Income Loss/Other Income/Income Changes X X X X X 8. Food Security X X 9. Concerns X X 10. Coping/Shocks X X 11. Social Safety Nets X X X X 12. Interview Results X X X X X 7.5.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 5 survey. • Household Roster • Education • Employment (respondent) • Employment (selected household members) • Other Income The employment questions in Section 6b, which are asked to selected members of the household, are a sub-set of questions included in Section 6, which is administered only to the respondents. For convenience, the employment information on the respondents are duplicated and included both in the household-level data file (r5_sect_a_2_5c_6_12) and in the individual- level data file (r5_sect_6b). Table 7-18 shows the datasets and their corresponding sections of the Questionnaire. Table 7-18: Nigeria COVID-19 NLPS Round 5 Datasets Dataset Filename Section(s) Section Name(s) r5_sect_a_2_5c_6_12 A, 2, 5c, Cover, Household Roster Update (Q0), 6, 12 Education, Employment (respondent), Interview Results r5_sect_1 1 Interview Information r5_sect_1b r5_sect_2 2 Household Roster Update 31 r5_sect_6b 6b Employment (selected household members including respondents) r5_sect_7 7 Other Income 7.6 Round 6 7.6.1 Overview The Nigeria COVID-19 NLPS Round 6 was administered between October 9 to October 24, 2020. A total of 18 main interviewers, 3 call back interviewers, and 3 supervisors were involved in the fieldwork. 7.6.2 Sample Interviewers attempted to contact and interview all 1,839 households that were successfully interviewed in the Baseline of the COVID-19 NLPS, excluding 111 households that had refused in previous rounds of the survey. Thus, the sample included households that were not successfully interviewed subsequent to the baseline in an effort to maintain the sample size. As shown in Table 7-19, 1,781 households (96.8% of the 1,839 attempted) were contacted and 1,762 (95.8%) were successfully interviewed in the sixth round. Of those contacted, 8 households refused outright to be interviewed and 11 were partially interviewed. Of the 1,762 successfully interviewed households, 1,640 were households that have been successfully interviewed in all six rounds of the survey so far. These are the households that form a complete panel across the six rounds. One new feature of the sixth round was more extensive individual-level data collection on education of household members. For the education module, information on household members 5-18 years was targeted. In order to limit the burden for respondents and interviewers in cases where the number of school-aged members is large, a maximum of 6 household members were selected to capture information on their school attendance and other education variables. Therefore, for households with less than 6 school-aged members, all eligible members were included. However, 92 percent of interviewed households had 6 or less school-aged members and only 8 percent had more than six. For the 8 percent with more than 6 school-aged members, 6 members were randomly selected from among the pool of eligible members. The selection was stratified by sex with an equal split of 3 male and 3 females was targeted, depending on the pool of eligible males and females. However, the application of selection as relatively rare. Of the 4,325 school-aged members of the household in round 6, information was collected on 4,007 or about 92.7 percent of eligible individuals. Table 7-19: Round 6 - Result of Interview # of % of overall households sample Total Sample 1,839 100 32 Contacted 1,781 96.8 Complete 1,762 95.8 Partially Complete 11 0.6 Refused 8 0.4 Language barrier 0 0.0 Not contacted 58 3.2 Nobody answering 3 0.2 Number does not exist 0 0.0 Phone turned off 49 2.7 Wrong number (don't know the household) 1 0.1 Reference person can't connect to household 5 0.3 Panel sample (interviewed in R1, 2, 3, 4, 5, & 6) 1,640 89.2 7.6.2.1 Weights In Round 6, several different weights are provided: two at the household-level and three at the individual-level. The two household weights are the same as have been provided in previous rounds, that is cross section and panel weights. The cross section weights are applicable to the entire round 6 sample while the panel weights are only applicable to round 6 sample households that have been successfully interviewed in all six rounds of the survey so far. For both of these weights, the baseline weights were adjusted for noncontact and nonresponse as well as calibrated following the same procedures outlined in section 2.2 (steps 4, 5 and 6). The round 6 household weights can be found in the household-level data file (r6_sect_a_2_3a_6_9a_12). The cross section weight is contained in the variable named wt_round6 while the household panel weight is contained in the variable named wt_r6panel. Given the focus on individual education information in round 6 and the selection steps outlined above for the sample of school-aged members (5-18 years), an additional three individual-level weights were calculated and provided in the round 6 data. The individual weights for the employment module were calculated according to: ℎ −1 ℎ = ℎ × � � ℎ Where ℎ is the sampling weight for individual who is sex (male or female) in household ℎ, ℎ is the final household level weight (i.e. wt_round6), ℎ is the total number of eligible household members (aged 5-18) of sex in household ℎ and ℎ is the equivalent number of selected eligible individuals in the household. The individual weights were then calibrated to 33 correspond to the sex and age 5 distribution of the total school-aged population according to the post-harvest visit of the GHS-Panel. The basic individual weight described above is the cross section individual weight that considers all individuals that employment information was collected on. This weight is called wt_educ_r6 and can be found in the individual-level education data file (r6_sect_5c.dta). However, an additional two weights are provided for the panel of individuals interviewed in the GHS-Panel wave 4 and round 6 of the NLPS (i.e. excluding individuals added in the NLPS). The first weight (wt_educ_r6_pp_panel) contains the weight for individuals interviewed in the post-planting visit of the GHS-Panel wave 4 and the second (wt_educ_r6_ph_panel) contains the weight for individuals interviewed in the post-harvest visit of the GHS-Panel wave 4. 7.6.3 The Survey Instruments The Nigeria COVID-19 NLPS Round 6 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. Household Questionnaire: The Household Questionnaire provides information on demographics; education; employment (including non-farm enterprise); COVID testing and vaccination; and other income. The contents of questionnaire are outlined below. Table 7-20: Nigeria COVID-19 NLPS Round 6 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person that the listed phone number belongs to 2 Household Roster Roster of members of the household, relationship to the Update household head, gender, age, marital status, reason for joining the household if new, reason for leaving the household if left, and the highest educational qualification of the household head 3a Survey of Well-being Whether the household members ate any imported rice, via Instant and chicken, beef, milk powder in the last 7 days, whether Frequent Tracking the household purchased any recharge cards in the last (SWIFT) 30 days, the fuels used for cookstove, toilet facility and sources of electricity used by the household 5 The age groups considered in the calibration were 5-6, 7-9, 10-12, 13-15, 16-18 years, all further disaggregated by sex (male/female). 34 Section Topic Description 5c Education (selected Reason for currently not attending school, level currently household members enrolled, organization running the school, whether the aged 5-18 years old) children attend classes on-site, the number of days per week the children attend classes on-site, whether the children receive instructions online 6 Employment Status in employment, why currently not working, job search, change in jobs, actual job; operating status of family business/non-farm enterprise, reason for closure, sector of family business, change in revenue 7 Other Income Household’s sources of livelihood 9a COVID Testing and Safety precautions available at school; willingness to get Vaccination tested for the COVID-19 virus; willingness to get vaccinated against coronavirus, reason for not agreeing or not being sure whether to agree to be vaccinated 12 Interview Results Result of interview including observation notes by interviewer regarding the interview, respondent and language of interview Different sections have been included in the questionnaires across rounds. Table 7-21 tracks sections in the questionnaires across rounds. Table 7-21: Sections Across Nigeria COVID-19 NLPS Rounds NLPS Round Section 1 2 3 4 5 6 A. Cover X X X X X X 1. Interview Information and Phone Number Roster X X X X X X 2. Household Roster Update X X X X X X 3. Knowledge Regarding the Spread of COVID-19 X 3a. Survey of Well-being via Instant and Frequent Tracking (SWIFT) X 4. Behaviour and Social Distancing X 5. Access to Basic Services X X X X 5a. Housing X 5b. Credit X 5c. Education X X 6. Employment (respondent) X X X X X X 6b. Employment (selected household members) X 7. Income Loss/Other Income/Income Changes X X X X X X 8. Food Security X X 9. Concerns X X 35 9a. COVID Testing and Vaccination X 10. Coping/Shocks X X 11. Social Safety Nets X X X X 12. Interview Results X X X X X X 7.6.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 6 survey. • Household Roster • Education • Survey of Well-being via Instant and Frequent Tracking (SWIFT) • Employment • Other Income • COVID Testing and Vaccination Table 7-22 shows the datasets and their corresponding sections of the Questionnaire. Table 7-22: Nigeria COVID-19 NLPS Round 6 Datasets Dataset Filename Section(s) Section Name(s) r6_sect_a_2_3a_6_9a_12 A, 2, 3a, Cover, Household Roster Update (Q0), 6, 9a,12 Survey of Well-being via Instant and Frequent Tracking (SWIFT), Employment, COVID Testing and Vaccination, Interview Results r6_sect_1 1 Interview Information r6_sect_1b r6_sect_2 2 Household Roster Update r6_sect_5c 5c Education (selected household members aged 5-18 years old) r6_sect_7 7 Other Income 7.7 Round 7 7.7.1 Overview The Nigeria COVID-19 NLPS Round 7 was administered between November 7 to November 23, 2020. A total of 18 main interviewers, 3 call back interviewers, and 3 supervisors were involved in the fieldwork. 7.7.2 Sample Interviewers attempted to contact and interview all 1,811 households that were successfully interviewed in the Baseline of the COVID-19 NLPS, excluding 139 households that had refused in previous rounds of the survey. Thus, the sample included households that were not successfully 36 interviewed subsequent to the baseline in an effort to maintain the sample size. As shown in Table 7-23, 1,740 households (96.8% of the 1,811 attempted) were contacted and 1,726 (95.3%) were successfully interviewed in the seventh round. Of those contacted, 4 households refused outright to be interviewed and 10 were partially interviewed. Of the 1,726 successfully interviewed households, 1,573 were households that have been successfully interviewed in all seven rounds of the survey so far. These are the households that form a complete panel across the seven rounds. Table 7-23: Round 7 - Result of Interview # of % of overall households sample Total Sample 1,811 100 Contacted 1,740 96.1 Complete 1,726 95.3 Partially Complete 10 0.6 Refused 4 0.2 Language barrier 0 0.0 Not contacted 71 3.9 Nobody answering 11 0.6 Number does not exist 2 0.1 Phone turned off 49 2.7 Wrong number (don't know the household) 2 0.1 Reference person can't connect to household 6 0.3 Panel sample (interviewed in R1, 2, 3, 4, 5, 6, & 7) 1,573 86.9 7.7.2.1 Weights In Round 7, two different weights are provided: cross section and panel weights. The cross section weights are applicable to the entire round 7 sample while the panel weights are only applicable to round 7 sample households that have been successfully interviewed in all four rounds of the survey so far. For both of these weights, the baseline weights were adjusted for noncontact and nonresponse as well as calibrated following the same procedures outlined in section 2.2 (steps 4, 5 and 6). The round 7 weights can be found in the household-level data file (r7_sect_a_5_6_8_9_12). The cross section weight is contained in the variable named wt_round7 while the panel weight is contained in the variable named wt_r7panel. 7.7.3 The Survey Instruments 37 The Nigeria COVID-19 NLPS Round 7 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. Household Questionnaire: The Household Questionnaire provides information on demographics; access to basic services; employment (including non-farm enterprise); food security; concerns; and safety nets. The contents of questionnaire are outlined below. Table 7-24: Nigeria COVID-19 NLPS Round 7 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person that the listed phone number belongs to 2 Household Roster Roster of members of the household, relationship to the Update household head, gender, age, marital status, reason for joining the household if new, reason for leaving the household if left, and the highest educational qualification of the household head 5 Access to Basic Household’s main source of drinking water, access to Services main source of drinking water, reason for not being able to access the source, main source of water for other purposes; access to sufficient water and soap for hand washing, reason for not being to access; use of soap, use of face coverings in public, and attendance to religious or social gatherings 6 Employment Status in employment, why currently not working, job search, change in jobs, actual job; operating status of family business/non-farm enterprise, reason for closure, sector of family business, change in revenue 8 Food Security Household’s food security status during the last 30 days 9 Concerns Concerns over immediate family becoming seriously ill from COVID-19 and household’s financial status; experience of crime, reporting the crime; the gap between the rich and the poor in Nigeria 11 Social Safety Nets Type, value and source of assistances that household received from social safety net programs; difficulties experienced when accessing the assistance 12 Interview Results Result of interview including observation notes by interviewer regarding the interview, respondent and language of interview 38 Different sections have been included in the questionnaires across rounds. Table 7-25 tracks sections in the questionnaires across rounds. Table 7-25: Sections Across Nigeria COVID-19 NLPS Rounds NLPS Round Section 1 2 3 4 5 6 7 A. Cover X X X X X X X 1. Interview Information and Phone Number Roster X X X X X X X 2. Household Roster Update X X X X X X X 3. Knowledge Regarding the Spread of COVID-19 X 3a. Survey of Well-being via Instant and Frequent Tracking (SWIFT) X 4. Behaviour and Social Distancing X 5. Access to Basic Services X X X X X 5a. Housing X 5b. Credit X 5c. Education X X 6. Employment (respondent) X X X X X X X 6b. Employment (selected household members) X 7. Income Loss/Other Income/Income Changes X X X X X X 8. Food Security X X X 9. Concerns X X X 9a. COVID Testing and Vaccination X 10. Coping/Shocks X X 11. Social Safety Nets X X X X X 12. Interview Results X X X X X X X 7.7.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 7 survey. • Household Roster • Access to Basic Services • Employment 39 • Food Security • Concerns • Safety Nets Table 7-26 shows the datasets and their corresponding sections of the Questionnaire. Table 7-26: Nigeria COVID-19 NLPS Round 7 Datasets Dataset Filename Section(s) Section Name(s) r7_sect_a_5_6_8_9_12 A, 5, 6, 8, Cover, Access to Basic Services, 9,12 Employment, Food Security, Concerns, Interview Results r7_sect_1 1 Interview Information r7_sect_1b r7_sect_2 2 Household Roster Update r7_sect_11 11 Safety Nets 7.8 Round 8 7.8.1 Overview The Nigeria COVID-19 NLPS Round 8 was administered between December 5 to December 21, 2020. A total of 18 main interviewers, 3 call back interviewers, and 3 supervisors were involved in the fieldwork. 7.8.2 Sample Interviewers attempted to contact and interview all 1,810 households that were successfully interviewed in the Baseline of the COVID-19 NLPS, excluding 140 households that had refused in previous rounds of the survey. Thus, the sample included households that were not successfully interviewed subsequent to the baseline in an effort to maintain the sample size. As shown in Table 7-27, 1,738 households (96.0% of the 1,810 attempted) were contacted and 1,723 (95.2%) were successfully interviewed in the eighth round. Of those contacted, 9 households refused outright to be interviewed and 6 were partially interviewed. Of the 1,723 successfully interviewed households, 1,547 were households that have been successfully interviewed in all eight rounds of the survey so far. These are the households that form a complete panel across the eight rounds. Table 7-27: Round 8- Result of Interview # of % of overall households sample 40 Total Sample 1,810 100.0 Contacted 1,738 96.0 Complete 1,723 95.2 Partially Complete 6 0.3 Refused 9 0.5 Language barrier 0 0.0 Not contacted 72 4.0 Nobody answering 11 0.6 Number does not exist 0 0.0 Phone turned off 49 2.7 Wrong number (don't know the household) 2 0.1 Reference person can't connect to household 10 0.6 Panel sample (interviewed in R1, 2, 3, 4, 5, 6, 7, & 8) 1,547 85.5 7.8.2.1 Weights In Round 8, two different weights are provided: cross section and panel weights. The cross section weights are applicable to the entire round 8 sample while the panel weights are only applicable to round 8 sample households that have been successfully interviewed in all eight rounds of the survey so far. For both of these weights, the baseline weights were adjusted for noncontact and nonresponse as well as calibrated following the same procedures outlined in section 2.2 (steps 4, 5 and 6). The round 8 weights can be found in the household-level data file (r8_sect_a_2_6_12). The cross section weight is contained in the variable named wt_round8 while the panel weight is contained in the variable named wt_r8panel. 7.8.3 The Survey Instruments The Nigeria COVID-19 NLPS Round 8 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. Household Questionnaire: The Household Questionnaire provides information on demographics; employment (including non-farm enterprise and agriculture); and coping/shocks. The contents of questionnaire are outlined below. Table 7-28: Nigeria COVID-19 NLPS Round 8 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person 41 Section Topic Description that the listed phone number belongs to 2 Household Roster Roster of members of the household, relationship to the Update household head, gender, age, marital status, reason for joining the household if new, reason for leaving the household if left, and the highest educational qualification of the household head 6 Employment Status in employment, why currently not working, job search, change in jobs, actual job; operating status of family business/non-farm enterprise, reason for closure, sector of family business, change in revenue; main crop planted this agricultural season 2020/21, total area planted with the main crop, total quantity of the main crop harvested, quantity of the harvested main crop sold by the household, amount received from sales of the harvested main crop, change in sales 10 Coping/Shocks Shocks that affected household since the July 2020 and their coping strategies 12 Interview Results Result of interview including observation notes by interviewer regarding the interview, respondent and language of interview Different sections have been included in the questionnaires across rounds. Table 7-29 tracks sections in the questionnaires across rounds. Table 7-29: Sections Across Nigeria COVID-19 NLPS Rounds NLPS Round Section 1 2 3 4 5 6 7 8 A. Cover X X X X X X X X 1. Interview Information and Phone Number Roster X X X X X X X X 2. Household Roster Update X X X X X X X X 3. Knowledge Regarding the Spread of COVID-19 X 3a. Survey of Well-being via Instant and Frequent Tracking (SWIFT) X 4. Behaviour and Social Distancing X 5. Access to Basic Services X X X X X 5a. Housing X 5b. Credit X 5c. Education X X 6. Employment (respondent) X X X X X X X X 42 6. Non-farm Enterprise X X X X X X X X 6. Agriculture X X X X X X 6b. Employment (selected household members) X 7. Income Loss/Other Income/Income Changes X X X X X X 8. Food Security X X X 9. Concerns X X X 9a. COVID Testing and Vaccination X 10. Coping/Shocks X X X 11. Social Safety Nets X X X X X 12. Interview Results X X X X X X X X 7.8.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 8 survey. • Household Roster • Employment • Coping/Shocks Table 7-30 shows the datasets and their corresponding sections of the Questionnaire. Table 7-30: Nigeria COVID-19 NLPS Round 8 Datasets Dataset Filename Section(s) Section Name(s) r8_sect_a_2_5c_6_12 A, 2, 6, 12 Cover, Household Roster Update (Q0), Employment, Interview Results r8_sect_1 1 Interview Information r8_sect_1b r8_sect_2 2 Household Roster Update r8_sect_10 10 Coping/Shocks 7.9 Round 9 7.9.1 Overview The Nigeria COVID-19 NLPS Round 9 was administered between January 9 to January 25, 2021. A total of 17 main interviewers, 3 call back interviewers, and 3 supervisors were involved in the fieldwork. 7.9.2 Sample Interviewers attempted to contact and interview all 1,789 households that were successfully interviewed in the Baseline of the COVID-19 NLPS, excluding 161 households that had refused in 43 previous rounds of the survey. Thus, the sample included households that were not successfully interviewed subsequent to the baseline in an effort to maintain the sample size. As shown in Table 7-31, 1,712 households (95.7% of the 1,789 attempted) were contacted and 1,706 (95.4%) were successfully interviewed in the ninth round. Of those contacted, 4 households refused outright to be interviewed and 2 were partially interviewed. Of the 1,706 successfully interviewed households, 1,533 were households that have been successfully interviewed in all nine rounds of the survey so far. These are the households that form a complete panel across the nine rounds. Table 7-31: Round 9 - Result of Interview # of % of overall households sample Total Sample 1789 100.0 Contacted 1,712 95.7 Complete 1706 95.4 Partially Complete 2 0.1 Refused 4 0.2 Language barrier 0 0.0 Not contacted 77 4.3 Nobody answering 15 0.8 Number does not exist 0 0.0 Phone turned off 54 3.0 Wrong number (don't know the household) 2 0.1 Reference person can't connect to household 6 0.3 Panel sample (interviewed in R1, 2, 3, 4, 5, 6, 7, 8 & 9) 1533 85.7 7.9.2.1 Weights In Round 9, two different weights are provided: cross section and panel weights. The cross section weights are applicable to the entire round 9 sample while the panel weights are only applicable to round 9 sample households that have been successfully interviewed in all nine rounds of the survey so far. For both of these weights, the baseline weights were adjusted for noncontact and nonresponse as well as calibrated following the same procedures outlined in section 2.2 (steps 4, 5 and 6). The round 9 weights can be found in the household-level data file (r9_sect_a_2_5_5c_5d_6_12). The cross section weight is contained in the variable named wt_round9 while the panel weight is contained in the variable named wt_r9panel. 7.9.3 The Survey Instruments The Nigeria COVID-19 NLPS Round 9 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. 44 Household Questionnaire: The Household Questionnaire provides information on demographics; education; early childhood development, access to basic services, employment (including non-farm enterprise); and income changes. The contents of questionnaire are outlined below. Table 7-32: Nigeria COVID-19 NLPS Round 9 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person that the listed phone number belongs to 2 Household Roster Roster of members of the household, relationship to the Update household head, gender, age, marital status, reason for joining the household if new, and reason for leaving the household if left 5 Access to Basic Household’s access to staple food (rice, beans, cassava, Services yam, sorghum and onion), medical services, reason for not being able to access the services, prices of staple food compared to January 2020 5c Education What should be done for the children who missed school to catch up for the lost time/classes, practical actions for students and staff to adopt in school to prevent the spread of coronavirus 5d Early Childhood Primary caregiver, parental support at home, child Development engagement with educational contents, school attendance before COVID-19 pandemic (before mid- March 2020) 6 Employment Status in employment, why currently not working, job search, change in jobs, actual job; operating status of family business/non-farm enterprise, reason for closure, sector of family business, change in revenue 7 Income Changes Household’s sources of livelihood, change in income received between August 2020 and January 2021 compared to that received between August 2019 and January 2020 12 Interview Results Result of interview including observation notes by interviewer regarding the interview, respondent and language of interview Different sections have been included in the questionnaires across rounds. Table 7-33 tracks sections in the questionnaires across rounds. 45 Table 7-33: Sections Across Nigeria COVID-19 NLPS Rounds NLPS Round Section 1 2 3 4 5 6 7 8 9 A. Cover X X X X X X X X X 1. Interview Information and Phone Number Roster X X X X X X X X X 2. Household Roster Update X X X X X X X X X 3. Knowledge Regarding the Spread of COVID-19 X 3a. Survey of Well-being via Instant and Frequent Tracking (SWIFT) X 4. Behaviour and Social Distancing X 5. Access to Basic Services X X X X X X 5a. Housing X 5b. Credit X 5c. Education X X X 5d. Early Childhood Development X 6. Employment (respondent) X X X X X X X X X 6. Non-farm Enterprise X X X X X X X X X 6. Agriculture X X X X X X 6b. Employment (selected household members) X 7. Income Loss/Other Income/Income Changes X X X X X X X 8. Food Security X X X 9. Concerns X X X 9a. COVID Testing and Vaccination X 10. Coping/Shocks X X X 11. Social Safety Nets X X X X X 12. Interview Results X X X X X X X X X 7.9.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 9 survey. • Household Roster • Access to Basic Services • Education • Early Childhood Development • Employment • Income Changes 46 Table 7-34 shows the datasets and their corresponding sections of the Questionnaire. Table 7-34: Nigeria COVID-19 NLPS Round 9 Datasets Dataset Filename Section(s) Section Name(s) r9_sect_a_2_5_5c_5d_6_12 A, 2, 5, Cover, Household Roster Update (Q0), 5c, 5d, 6, Access to Basic Services, Education, Early 12 Childhood Development, Employment, Interview Results r9_sect_1 1 Interview Information r9_sect_1b r9_sect_2 2 Household Roster Update r9_sect_7 7 Income Changes 7.10 Round 10 7.10.1 Overview The Nigeria COVID-19 NLPS Round 10 was administered between February 6 to February 22, 2021. A total of 17 main interviewers, 3 call back interviewers, and 3 supervisors were involved in the fieldwork. 7.10.2 Sample Interviewers attempted to contact and interview all 1,785 households that were successfully interviewed in the Baseline of the COVID-19 NLPS, excluding 165 households that had refused in previous rounds of the survey. Thus, the sample included households that were not successfully interviewed subsequent to the baseline in an effort to maintain the sample size. As shown in Table 7-35, 1,716 households (96.1% of the 1,785 attempted) were contacted and 1,699 (95.2%) were successfully interviewed in the tenth round. Of those contacted, 7 households refused outright to be interviewed and 9 were partially interviewed. Of the 1,699 successfully interviewed households, 1,497 were households that have been successfully interviewed in all ten rounds of the survey so far. These are the households that form a complete panel across the ten rounds. One new feature of the tenth round was more extensive individual-level data collection on employment of household members, similar to round five 6 . For the employment module, information on working age (15-64 years) members of the household was targeted, including 6 Although interviewers made attempts to collect employment information directly from each individual selected, it proved exceedingly difficult to do so. As a result, only 32.5% of individual responses were obtained from the actual individual in question with the remaining 67.5% being collected via proxy (typically provided by the main respondent). 47 respondents that fall into this age range. However, information was not captured for all members aged 15-64. In order to limit the burden for respondents and interviewers in cases where the number of working age members is large, a maximum of 6 household members were selected (in addition to the main respondent) to capture information on employment. Therefore, for households with less than 6 working age members, all eligible members were included. However, 94 percent of interviewed households had 6 or less working age members and only 6 percent had more than six. For the 6 percent with more than 6 working age members, 6 members were randomly selected from among the pool of eligible members. The selection was stratified by sex with an equal split of 3 male and 3 females was targeted, depending on the pool of eligible males and females. However, the application of selection was relatively rare. Of 4,592 working age members of the household in round 10 (excluding the main respondent), information was collected on 4,259 or about 93 percent of eligible individuals. In addition, 1,508 main respondents aged 15-64 were also interviewed bringing the final sample of working age members with employment information to 5,767. Table 7-35: Round 10 - Result of Interview # of % of overall households sample Total Sample 1,785 100 Contacted 1,716 96.1 Complete 1,699 95.2 Partially Complete 9 0.5 Refused 7 0.4 Language barrier 1 0.1 Not contacted 69 3.9 Nobody answering 14 0.8 Number does not exist 1 0.1 Phone turned off 48 2.7 Wrong number (don't know the household) 0 0.0 Reference person can't connect to household 6 0.3 Panel sample (interviewed in R1, 2, 3, 4, 5, 6, 7, 8, 9 & 10) 1,497 83.9 7.10.2.1 Weights In Round 10, several different weights are provided: two at the household-level and three at the individual-level. The two household weights are the same as have been provided in previous rounds, that is cross section and panel weights. The cross section weights are applicable to the entire round 10 sample while the panel weights are only applicable to round 10 sample households that have been successfully interviewed in all ten rounds of the survey so far. For both of these weights, the baseline weights were adjusted for noncontact and nonresponse as well as calibrated following the same procedures outlined in section 2.2 (steps 4, 5 and 6). The round 10 household weights can be found in the household-level data file 48 (r10_sect_a_2_5_6_9_9a_12). The cross-section weight is contained in the variable named wt_round10 while the household panel weight is contained in the variable named wt_r10panel. Given the focus on individual employment information in round 10 and the selection steps outlined above for the sample of working age members, an additional three individual-level weights were calculated and provided in the round 10 data. The individual weights for the employment module were calculated according to: ℎ −1 ℎ = ℎ × � � ℎ Where ℎ is the sampling weight for individual who is sex (male or female) in household ℎ, ℎ is the final household level weight (i.e. wt_round10), ℎ is the total number of eligible household members (aged 15-64) of sex in household ℎ and ℎ is the equivalent number of selected eligible individuals in the household. The individual weights were then calibrated to correspond to the sex and age 7 distribution of the total working age population according to the post-harvest visit of the GHS-Panel. The basic individual weight described above is the cross section individual weight that considers all individuals that employment information was collected on. This weight is called wt_employ_r10 and can be found in the individual-level employment data file (r10_sect_6b). However, an additional two weights are provided for the panel of individuals interviewed in the GHS-Panel wave 4 and round 10 of the NLPS (i.e. excluding individuals added in the NLPS). The first weight (wt_employ_r10_pp_panel) contains the weight for individuals interviewed in the post-planting visit of the GHS-Panel wave 4 and the second (wt_employ_r10_ph_panel) contains the weight for individuals interviewed in the post-harvest visit of the GHS-Panel wave 4. 7.10.3 The Survey Instruments The Nigeria COVID-19 NLPS Round 10 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. Household Questionnaire: The Household Questionnaire provides information on demographics; access to basic services; employment (including non-farm enterprise); concerns and COVID testing and vaccination. The contents of questionnaire are outlined below. 7 The age groups considered in the calibration were 15-24, 25-34, 35-44, 45-54, 55-64 years, all further disaggregated by sex (male/female). 49 Table 7-36: Nigeria COVID-19 NLPS Round 10 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person that the listed phone number belongs to 2 Household Roster Roster of members of the household, relationship to the Update household head, gender, age, marital status, reason for joining the household if new, and reason for leaving the household if left 5 Access to Basic Use of soap, use of face coverings in public, and Services attendance to religious or social gatherings; Household’s access to medical services, reason for not being able to access the services 6 Employment Status in employment, why currently not working, job (respondent) search, change in jobs, actual job; operating status of family business/non-farm enterprise, reason for closure, sector of family business, change in revenue 6b Employment (selected Status in employment, why currently not working, job household members) search, actual job 9 Concerns Concerns over immediate family becoming seriously ill from COVID-19 and household’s financial status 9a COVID Testing and Willingness to get vaccinated against coronavirus, reason Vaccination for not agreeing or not being sure whether to agree to be vaccinated, individuals/authorities whose recommendation respondent would listen to 12 Interview Results Result of interview including observation notes by interviewer regarding the interview, respondent and language of interview Different sections have been included in the questionnaires across rounds. Table 7-37 tracks sections in the questionnaires across rounds. Table 7-37: Sections Across Nigeria COVID-19 NLPS Rounds NLPS Round Section 1 2 3 4 5 6 7 8 9 10 A. Cover X X X X X X X X X X 1. Interview Information and Phone Number Roster X X X X X X X X X X 2. Household Roster Update X X X X X X X X X X 3. Knowledge Regarding the Spread of COVID-19 X 50 3a. Survey of Well-being via Instant and Frequent Tracking (SWIFT) X 4. Behaviour and Social Distancing X 5. Access to Basic Services X X X X X X X 5a. Housing X 5b. Credit X 5c. Education X X X 5d. Early Childhood Development X 6. Employment (respondent) X X X X X X X X X X 6. Non-farm Enterprise X X X X X X X X X X 6. Agriculture X X X X X X 6b. Employment (selected household members) X X 7. Income Loss/Other Income/Income Changes X X X X X X X 8. Food Security X X X 9. Concerns X X X X 9a. COVID Testing and Vaccination X X 10. Coping/Shocks X X X 11. Social Safety Nets X X X X X 12. Interview Results X X X X X X X X X X 7.10.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 10 survey. • Household Roster • Access to Basic Services • Employment (respondent) • Employment (selected household members) • Concerns • COVID Testing and Vaccination The employment questions in Section 6b, which are asked to selected members of the household, are a sub-set of questions included in Section 6, which is administered only to the respondents. For convenience, the employment information on the respondents are duplicated and included both in the household-level data file (r10_sect_a_2_5_6_9_9a_12) and in the individual-level data file (r10_sect_6b). Table 7-38 shows the datasets and their corresponding sections of the Questionnaire. Table 7-38: Nigeria COVID-19 NLPS Round 10 Datasets Dataset Filename Section(s) Section Name(s) 51 r10_sect_a_2_5_6_9_9a_12 A, 2, 5, 6, Cover, Household Roster Update (Q0), 9, 9a, 12 Access to Basic Services, Employment (respondent), Concerns, COVID Testing and Vaccination, Interview Results r10_sect_1 1 Interview Information r10_sect_1b r10_sect_2 2 Household Roster Update r10_sect_6b 6b Employment (selected household members including respondents) 7.11 Round 11 7.11.1 Overview The Nigeria COVID-19 NLPS Round 11 was administered between March 13 to March 30, 2021. A total of 17 main interviewers, 3 call back interviewers, and 3 supervisors were involved in the fieldwork. 7.11.2 Sample Interviewers attempted to contact and interview all 1,777 households that were successfully interviewed in the Baseline of the COVID-19 NLPS, excluding 173 households that had refused in previous rounds of the survey. Thus, the sample included households that were not successfully interviewed subsequent to the baseline in an effort to maintain the sample size. As shown in Table 7-39, 1,695 households (95.4% of the 1,777 attempted) were contacted and 1,680 (94.5%) were successfully interviewed in the eleventh round. Of those contacted, 5 households refused outright to be interviewed and 9 were partially interviewed. Of the 1,680 successfully interviewed households, 1,472 were households that have been successfully interviewed in all eleventh rounds of the survey so far. These are the households that form a complete panel across the eleven rounds. One new feature of the eleventh round was more extensive individual-level data collection on education of household members. For the education module, information on household members 5-18 years was targeted. In order to limit the burden for respondents and interviewers in cases where the number of school-aged members is large, a maximum of 6 household members were selected to capture information on their school attendance and other education variables. Therefore, for households with less than 6 school-aged members, all eligible members were included. However, 92 percent of interviewed households had 6 or less school-aged members and only 8 percent had more than six. For the 8 percent with more than 6 school-aged members, 6 members were randomly selected from among the pool of eligible members. The selection was stratified by sex with an equal split of 3 male and 3 females was targeted, depending on the pool of eligible males and females. However, the application of selection was relatively rare. Of the 4,353 school-aged members of the household in round 6, information was collected on 3,992 or about 91.7 percent of eligible individuals. 52 Table 7-39: Round 11 - Result of Interview % of # of overall households sample Total Sample 1,777 100 Contacted 1,695 95.4 Complete 1,680 94.5 Partially Complete 9 0.5 Refused 5 0.3 Language barrier 1 0.1 Not contacted 82 4.6 Nobody answering 11 0.6 Number does not exist 0 0.0 Phone turned off 69 3.9 Wrong number (don't know the household) 0 0.0 Reference person can't connect to household 2 0.1 Panel sample (interviewed in R1, 2, 3, 4, 5, 6, 7, 8, 9, 10 & 11) 1,472 82.8 7.11.2.1 Weights In Round 11, several different weights are provided: two at the household-level and three at the individual-level. The two household weights are the same as have been provided in previous rounds, that is cross section and panel weights. The cross section weights are applicable to the entire round 11 sample while the panel weights are only applicable to round 11 sample households that have been successfully interviewed in all eleven rounds of the survey so far. For both of these weights, the baseline weights were adjusted for noncontact and nonresponse as well as calibrated following the same procedures outlined in section 2.2 (steps 4, 5 and 6). The round 11 household weights can be found in the household-level data file (r11_sect_a_2_5_5b_6_12b_12). The cross section weight is contained in the variable named wt_round11 while the household panel weight is contained in the variable named wt_r11panel. Given the focus on individual education information in round 11 and the selection steps outlined above for the sample of school-aged members (5-18 years), an additional three individual-level weights were calculated and provided in the round 11 data. The individual weights for the education module were calculated according to: ℎ −1 ℎ = ℎ × � � ℎ Where ℎ is the sampling weight for individual who is sex (male or female) in household ℎ, ℎ is the final household level weight (i.e. wt_round11), ℎ is the total number of eligible 53 household members (aged 5-18) of sex in household ℎ and ℎ is the equivalent number of selected eligible individuals in the household. The individual weights were then calibrated to correspond to the sex and age 8 distribution of the total school-aged population according to the post-harvest visit of the GHS-Panel. The basic individual weight described above is the cross section individual weight that considers all individuals that employment information was collected on. This weight is called wt_educ_r11 and can be found in the individual-level education data file (r11_sect_5c.dta). However, an additional two weights are provided for the panel of individuals interviewed in the GHS-Panel wave 4 and round 11 of the NLPS (i.e. excluding individuals added in the NLPS). The first weight (wt_educ_r11_pp_panel) contains the weight for individuals interviewed in the post-planting visit of the GHS-Panel wave 4 and the second (wt_educ_r11_ph_panel) contains the weight for individuals interviewed in the post-harvest visit of the GHS-Panel wave 4 7.11.3 The Survey Instruments The Nigeria COVID-19 NLPS Round 11 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. Household Questionnaire: The Household Questionnaire provides information on demographics; credit; access to basic services; education; employment (including non-farm enterprise); safety nets; youth contact details; and phone signal. The contents of questionnaire are outlined below. Table 7-40: Nigeria COVID-19 NLPS Round 11 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person that the listed phone number belongs to 2 Household Roster Roster of members of the household, relationship to the Update household head, gender, age, marital status, reason for joining the household if new, reason for leaving the household if left, and ownership of Facebook account 5 Access to Basic Household’s access to medical services, reason for not Services being able to access the services 5b Credit Household’s use of loan, purpose, ability to repay loan when their scheduled payment is due 8 The age groups considered in the calibration were 5-6, 7-9, 10-12, 13-15, 16-18 years, all further disaggregated by sex (male/female). 54 Section Topic Description 5c Education (selected Current attendance, reason for currently not attending household members school, level currently enrolled, organization running the aged 5-18 years old) school 5e Youth Contact Detail Ownership of working cell phone, phone numbers (selected household members aged 15-25 years old) 6 Employment Status in employment, why currently not working, job (respondent) search, change in jobs, actual job; operating status of family business/non-farm enterprise, reason for closure, sector of family business, change in revenue 11 Social Safety Nets Type, value and source of assistances that household received from social safety net programs; difficulties experienced when accessing the assistance 12b Phone Signal Place where respondents are taking the call, current strength of cell phone signal, cell phone network, strength of cell phone signal in the community 12 Interview Results Result of interview including observation notes by interviewer regarding the interview, respondent and language of interview Different sections have been included in the questionnaires across rounds. Table 7-41 tracks sections in the questionnaires across rounds. Table 7-41: Sections Across Nigeria COVID-19 NLPS Rounds NLPS Round Section 1 2 3 4 5 6 7 8 9 10 11 A. Cover X X X X X X X X X X X 1. Interview Information and X X X X X X X X X X X Phone Number Roster 2. Household Roster Update X X X X X X X X X X X 3. Knowledge Regarding the X Spread of COVID-19 3a. Survey of Well-being via Instant and Frequent Tracking X (SWIFT) 4. Behaviour and Social X Distancing 5. Access to Basic Services X X X X X X X X 5a. Housing X 5b. Credit X X 5c. Education X X X X 5d. Early Childhood Development X 55 6. Employment (respondent) X X X X X X X X X X X 6. Non-farm Enterprise X X X X X X X X X X X 6. Agriculture X X X X X X 6b. Employment (selected X X household members) 7. Income Loss/Other X X X X X X X Income/Income Changes 8. Food Security X X X 9. Concerns X X X X 9a. COVID Testing and X X Vaccination 10. Coping/Shocks X X X 11. Social Safety Nets X X X X X X 12b. Phone Signal X 12. Interview Results X X X X X X X X X X X 7.11.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 11 survey. • Household Roster • Access to Basic Services • Credit • Education • Employment (respondent) • Social Safety Nets • Phone Signal Table 7-42 shows the datasets and their corresponding sections of the Questionnaire. Table 7-42: Nigeria COVID-19 NLPS Round 11 Datasets Dataset Filename Section(s) Section Name(s) r11_sect_a_2_5_5b_6_12b_12 A, 2, 5, Cover, Household Roster Update (Q0), 5b, 6, Access to Basic Services, Credit, 12b, 12 Employment (respondent), Phone Signal, Interview Results r11_sect_1 1 Interview Information r11_sect_1b r11_sect_2 2 Household Roster Update r11_sect_5c 5c Education r11_sect_11 11 Social Safety Nets 56 7.12 Round 12 7.12.1 Overview The Nigeria COVID-19 NLPS Round 12 was administered between April 10 to April 28, 2021. A total of 17 main interviewers, 3 call back interviewers, and 3 supervisors were involved in the fieldwork. 7.12.2 Sample Round 12 focused on interviewing one randomly selected youth in the household and thus, the sample for the round was restricted to households that have at least one person between 15-25 years from previous rounds. Overall, 1238 households that were successfully interviewed in the Baseline of the COVID-19 NLPS had at least one youth 15-25 years of age. This formed the frame for the Round 12 interviews. In each of these 1238 households, one youth 15-25 years was randomly selected to be interviewed. Thus, the sample included households that were not successfully interviewed subsequent to the baseline in an effort to maintain the sample size. During the interview, these selected youths were asked to confirm their age to ensure that the analysis uses information from persons within the 15-25 years cohort. As shown in Table 7-43, 995 youths (80.4% of the 1,238 attempted) were contacted and 967 (78.1%) were successfully interviewed in the twelfth round. Of the 967 successfully interviewed, 841 (67.9%) of them confirmed to be 15-25 years while 126 (10.1%) are outside the age cohort. Of those contacted, 9 youths refused outright to be interviewed and 19 were partially interviewed. Of the 967 successfully interviewed youths, 635 were members of the household during the GHS-Panel Wave 4 Post-Harvest visit. These members can therefore be traced back to the GHS-Panel data from Wave 4 to form a panel. Table 7-43: Round 12 - Result of Interview % of # of youths overall sample Total Sample 1,238 100 Contacted 995 80.4 Complete (age out of range) 126 10.2 Complete (age within range) 841 67.9 Partially Complete 19 1.5 Refused 9 0.7 Language barrier 0 0.0 Not contacted 243 19.6 Nobody answering 74 6.0 Number does not exist 3 0.2 Phone turned off 130 10.5 Wrong number (don't know the individual) 3 0.2 57 Reference person can't connect to individual 3 0.2 Selected youth not available 30 2.4 Panel sample – youth who were household members in GHS-P W4 635 51.3 7.12.2.1 Weights In Round 12, two different weights are provided: cross section and panel weights. The cross section weights are applicable to the entire round 12 sample of individuals while the panel weights are only applicable to round 12 sample individuals that were also members of the household at the time of the GHS-Panel Wave 4 Post-Harvest visit. For both of these weights, the baseline household weights were adjusted for (1) selection among youths in the household with only one youth being randomly selected, (2) noncontact of the selected youth, (3) nonresponse of the contacted youth, and (4) ineligibility of interviewed individual.9 After these simple ratio adjustments were performed, the weights were then calibrated according to the demographic breakdown of youths (by sex and 3 age groups: 15-17, 18-21, and 22-25 years) in the GHS-Panel Wave 4 sample. The round 12 individual weights can be found in the data file (r12_sect_a_12.dta). The cross-section weight is contained in the variable named wt_youth_r12 while the panel weight is contained in the variable named wt_youth_r12_panel. 7.12.3 The Survey Instruments The Nigeria COVID-19 NLPS Round 12 consists of one questionnaire. The Household Questionnaire was administered to all households in the sample. Household Questionnaire: The Household Questionnaire provides information on youth aspirations and employment; and COVID vaccination. The contents of questionnaire are outlined below. Table 7-44: Nigeria COVID-19 NLPS Round 12 Questionnaire Section Topic Description A Cover Household identifiers and enumerator identifiers 1 Interview Information Roster of call attempts, result and respondent of call and Phone Number attempt, interview consent, date and time of call back, Roster roster of phone numbers, the information of the person that the listed phone number belongs to 9 Individual respondents were selected based on their age reported by the household respondent in previous rounds of the NLPS. However, the individual’s age was confirmed in Round 12 and some individuals confirmed age fell outside the eligible range (15-25). These individuals were deemed ineligible and thus were excluded from the weighted sample, though their information still remains in the data files. 58 Section Topic Description 5e Youth Aspirations and Ever attended school, reason for never attending school, Employment (selected highest qualification attained, current activity, currently household member attending school, reason for currently not attending aged 15-25 years old) school, plans after completing education; ideal education level, constraints to achieving the ideal education level; dream job, constraints to realizing the dream job; perception on migration 9a COVID Testing and Willingness to get vaccinated against coronavirus, reason Vaccination (selected for not agreeing or not being sure whether to agree to household member be vaccinated, individuals/authorities whose aged 15-25 years old) recommendation respondent would listen to 12 Interview Results Result of interview including observation notes by interviewer regarding the interview, respondent and language of interview Different sections have been included in the questionnaires across rounds. Table 7-45 tracks sections in the questionnaires across rounds. Table 7-45: Sections Across Nigeria COVID-19 NLPS Rounds NLPS Round Section 1 2 3 4 5 6 7 8 9 10 11 12 A. Cover X X X X X X X X X X X X 1. Interview Information and Phone Number Roster X X X X X X X X X X X X 2. Household Roster Update X X X X X X X X X X X 3. Knowledge Regarding the Spread of COVID-19 X 3a. Survey of Well-being via Instant and Frequent Tracking (SWIFT) X 4. Behaviour and Social Distancing X 5. Access to Basic Services X X X X X X X X 5a. Housing X 5b. Credit X X 5c. Education X X X X 5d. Early Childhood Development X 5e. Youth Aspirations and Employment X 6. Employment (respondent) X X X X X X X X X X X 6. Non-farm Enterprise X X X X X X X X X X X 6. Agriculture X X X X X X 59 6b. Employment (selected household members) X X 7. Income Loss/Other Income/Income Changes X X X X X X X 8. Food Security X X X 9. Concerns X X X X 9a. COVID Testing and Vaccination X X X 10. Coping/Shocks X X X 11. Social Safety Nets X X X X X X 12b. Phone Signal X 12. Interview Results X X X X X X X X X X X X 7.12.4 Description of Datasets These modules were administered in the Nigeria COVID-19 NLPS Round 12 survey. • Youth Aspirations and Employment • COVID Testing and Vaccination Table 7-46 shows the datasets and their corresponding sections of the Questionnaire. Table 7-46: Nigeria COVID-19 NLPS Round 12 Datasets Dataset Filename Section(s) Section Name(s) r12_sect_a_12 A, 12 Cover, Interview Results r12_sect_1 1 Interview Information r12_sect_1b r12_sect_2 2 Household Roster r12_sect_5e_9a 5e, 9a Youth Aspirations and Employment, COVID Testing and Vaccination For convenience, the demographic variables are included in the household roster data file (r12_sect_2). The household roster was not updated in the Round 12 survey, and hence, the information (sex, age, membership status and relationship to household head) were taken from the Round 11 survey. 60 Appendix 1: How to Obtain Copies of the Data The data are available through the NBS web site: https://www.nigerianstat.gov.ng/nada/index.php/catalog/63 or through the World Bank’s Microdata Library: https://microdata.worldbank.org/index.php/catalog/3712 Users do not need to obtain the permission of the NBS to receive a copy of the data but will be asked to fill in a data access agreement. In this agreement, users agree to: (a) cite the National Bureau of Statistics as the collector of the data in all reports, publications and presentations; (b) provide copies of all reports publications and presentations to the National Bureau of Statistics (see address below) and the Data Production and Methods Team of the World Bank (see address below); and (c) not pass the data to any third parties for any reasons. Biyi Fafunmi LSMS Data Manager Head of Department - ICT Data Production and Methods Team (DECPM) Plot 762, Independence Avenue, The World Bank Central Business District, 1818 H Street, NW FCT, Abuja MSN MC3-306 Nigeria Washington, DC 20433 www.nigerianstat.gov.ng/nada http://surveys.worldbank.org/lsms Email: biyifafunmi@nigerianstat.gov.ng Email: lsms@worldbank.org 61 Appendix 2: Changes to the Data June 2021 Round 8 Section 5c : Education • Description: This section was not fielded in Round 8. As a result, all the variables related to this section were empty and did not have any observations. These empty variables were dropped from the dataset. Subsequently, the name of the file was also modified to reflect this change. • Relevant file: r8_sect_a_2_6_12 (previously, r8_sect_a_2_5c_6_12) • Variables affected: o s5cq11_18 o s5cq0a o s5cq0 o s5cq1__1 o s5cq1__2 o s5cq1__3 o s5cq1__4 o s5cq1__5 o s5cq1__6 o s5cq1__7 o s5cq1__9 o s5cq1__8 o s5cq1__96 o s5cq1_os o s5cq2 o s5cq3__1 o s5cq3__2 o s5cq3__3 o s5cq3__4 62