COVID-19 High Frequency Phone Surveys 2020

El Salvador, 2020

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Reference ID

SLV_2020_HFPS_v01_M

DOI

https://doi.org/10.48529/m0kf-sw16

Producer(s)

Sergio Olivieri, Gabriel Lara Ibarra, Jose Antonio Cuesta Leiva

Collection(s)

High-Frequency Phone Surveys

Metadata

Documentation in PDF DDI/XML JSON

Created on

Sep 29, 2021

Last modified

Sep 29, 2021

Page views

77036

Downloads

1990

Identification

Survey ID number

SLV_2020_HFPS_v01_M

Title

COVID-19 High Frequency Phone Surveys 2020

Country/Economy

Name	Country code
El Salvador	SLV

Study type

Socio-Economic/Monitoring Survey [hh/sems]

Series Information

These surveys are part of the LAC: COVID-19 High Frequency Monitoring Project (P173987).

Abstract

Latin American and the Caribbean is one of the regions in the world most affected by the COVID-19 pandemic. The World Bank conducted a series of High-Frequency Phone Surveys (HFPS) to assess the impact of the coronavirus pandemic on the welfare of Latin American and Caribbean households. Between March and August 2020, the HFPS collected nationally representative information for thirteen countries: Argentina, Bolivia, Chile, Colombia, Costa Rica, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Paraguay, and Peru.

Kind of Data

Sample survey data [ssd]

Unit of Analysis

Households and individuals of 18 years of age and older.

Version

Version Description

Edited, anonymized dataset for public distribution.

Version Date

3600-10-05

Scope

Notes

The surveys gather information on food insecurity, changes in employment, income loss, access to health services and education, and coping mechanisms, as well as households' quarantine compliance and their knowledge of the disease. Eligible respondents for the HFPS were adults 18 years old and above. Only one respondent per household was interviewed, and she answered both individual and household-level questions. The same respondent was contacted and interviewed in all waves.

Coverage

Geographic Coverage

National level.

Universe

Households with a landline or in which at least one member has a cell phone, and individuals 18 years of age or above who have an active cell phone number or a landline at home.

Producers and sponsors

Primary investigators

Name	Affiliation
Sergio Olivieri	World Bank
Gabriel Lara Ibarra	World Bank
Jose Antonio Cuesta Leiva	World Bank

Producers

Name	Affiliation	Role
Sistemas Integrales	Private vendor	Supervision and quality control
IPSOS	Private vendor	Survey collection

Funding Agency/Sponsor

Name	Role
World Bank	Funder

Sampling

Sampling Procedure

Sample is based on a dual frame of cell phone and landline numbers generated through a Random Digit Dialing (RDD) process. In the first phase, a large sample was selected in both frames, and then screened through an automated process to identify the active, eligible numbers. A smaller second-phase sample was selected from the active residential numbers from in the first-phase sample and was delivered to the country teams. See Sampling Design and Weighting document for more detail.

Weighting

The HFPS has two sample units: households and individuals. Sampling weights were computed for each unit and should be used according to the estimate of interest. The weighting process involves four steps:

Calculation of the inclusion probabilities of landline and cell phone numbers.
Computation of base weights for households and individuals.
Nonresponse weighting adjustment.
Calibration of individual and household weights, using external data from official sources (adjusted for the national phone coverage).

Survey instrument

Questionnaires

Questionnaires are available in Spanish. The questionnaire for the first wave followed closely the World Bank’s HFPS Global Core Questionnaire but had some critical variations. There were also some modifications in the subsequent waves.

The El-Salvador COVID-19 High Frequency Phone Survey questionnaires consist of the following sections:
• Cover Page (Wave 1, 2, 3)
• Basic Information (Wave 1, 2, 3)
• Knowledge Regarding the Spread of COVID-19 (Wave 1)
• Behaviour and Social Distancing (Wave 1, 2, 3)
• Access to Basic Services (Wave 1, 2, 3)
• Employment (Wave 1, 2, 3)
• Income Loss (Wave 1, 3)
• Food Security (Wave 1, 2, 3)
• Concerns (Wave 1, 2, 3)
• Coping Strategies (Wave 1, 3)
• Social Safety Nets (Wave 1, 2, 3)
• Trust (Wave 3)

Data collection

Dates of Data Collection

Start	End	Cycle
2020-05-22	2020-06-06	Wave 1
2020-07-03	2020-07-14	Wave 2
2020-08-04	2020-08-15	Wave 3

Time periods

Start date	End date	Cycle
2020-05-22	2020-08-15	All 3 waves

Data Collectors

Name	Affiliation
IPSOS	Private vendor

Supervision

Sistemas integrales was in charge of all supervision activities.

Access policy

Confidentiality

Is signing of a confidentiality declaration required?
yes

Citation requirements

World Bank (2020). El Salvador Covid-19 High-Frequency Phone Surveys (HFPS) 2020, Waves 1-3. Ref. SLV_2020_HFPS_v01_M. Washington DC. Dataset downloaded from [url] on [date].

Depositor information

Depositor

Name	Affiliation
LAC Poverty GP	World Bank

Disclaimer and copyrights

Disclaimer

The user of the data acknowledges that the original collector of the data, the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences based upon such uses.

Contacts

Name	Affiliation	Email
Sergio Olivieri	Senior Economist ELCPV	solivieri@worldbank.org
Gabriel Lara Ibarra	Senior Economist ELCPV	glaraibarra@worldbank.org

Metadata production

DDI Document ID

DDI_SLV_2020_HFPS_v01_M_WB

Producers

Name	Affiliation	Role
Development Data Group	World Bank	Documentation of the Study

Date of Metadata Production

2021-09-22

Metadata version

DDI Document version

Version 01

Citation

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