Nigeria - COVID-19 National Longitudinal Phone Survey 2020

central
Reference ID NGA-2020-NLPS-v10-M
Year 2020
Country Nigeria
Producer(s) National Bureau of Statistics (NBS) - Federal Government of Nigeria
Sponsor(s) Bill and Melinda Gates Foundation - BMGF - Funded the study
Federal Government of Nigeria - FGN - Funded the study
United States Agency for International Development - USAID - Funded the study
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Created on May 06, 2021
Last modified May 27, 2021
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subtitle Version 9
Author(s) National Bureau of Statistics, Nigeria The World Bank
Date 2021-04-12
Country Nigeria
Language English
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
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 .................................................................................................................... 44
7.9.3 The Survey Instruments .......................................................................................... 45
7.9.4 Description of Datasets .......................................................................................... 47
7.10 Round 10..................................................................................................................... 47
7.10.1 Overview ................................................................................................................. 47
7.10.2 Sample .................................................................................................................... 47
7.10.3 The Survey Instruments .......................................................................................... 49
7.10.4 Description of Datasets .......................................................................................... 51

Appendix 1: How to Obtain Copies of the Data ........................................................................... 53
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