WFS Data
The DHS Program USAID

World Fertility Survey

WFS Data

Mexico, 1976-77 (WFS)

The following description of this survey appeared in the 1991 edition of Dynamic Database: A Catalogue of Survey Data Files, Voorburg: International Statistical Institute.

Basic Information

  • Name of survey: Encuesta Mexicana de Fecundidad
  • Executive agency: Dirección General de Estadística
  • Date of fieldwork: 1976-77
  • Universe: All women, 20-49
  • Coverage: National, 100%
  • Size: 7310
  • Weights: Self-weighting
  • Contents: WFS Core Mark 1 + family planning module (part)
  • Supplementary surveys: Household members (n = 73,674, self-weighting); Community

Additional Information

This survey was based on a subsample of the National Household Survey. The household schedule included information about births and deaths in the preceding 12 months, household amenities and place of birth of each member. Unusually detailed employment data were collected for adult members: whether currently working, occupation and work status, and size of landholding and agricultural assets.

The individual survey was conducted at the same time as the household survey by the same interviewers on a subsample of one woman in two aged 20-49 who were @de jure@ household members.

Supplementary contraceptive information collected in the individual survey includes: knowledge of supply source; travelling time to nearest source; ever-use and use last year of source; intention to re-use source and reasons for lack of intention.

A respondent's migration history was collected, but only the number of places of six or more months residence is available on the SR file. Respondent's and husband's income (plus area of land owned) was ascertained. Available on the SR file are household survey data concerning the presence of electricity, piped water, toilet facilities, consumer durables and details of dwelling construction. A complete history of non-live births is on the SR file. Various health care items concerning the last birth/pregnancy were collected: medical attention at and place of delivery; timing of first consultation; any reasons for failure to vaccinate last child.

A community survey was conducted in both urban and rural areas. Information was collected about number of inhabitants, Government services and main economic activity. The community data file is not held by the DDB.

Release Conditions

Data may be used for academic research, provided that credit is given in any publication resulting from the research to the agency that conducted the survey and that two copies of any publication are sent to:

  Lic. Humberto Molina
Director General de Estadística
Instituto Nacional de Estadística, Geografia e Informática
Av. Insurgentes Sur 795, Piso 13
Co. Napoles C.P. 03810
Delegación Benito Juarez
Mexico DF 12

Public Use Files

Available files include the household members data and dictionary, and the individual standard recode data and dictionary, in the original WFS format. In addition, the individual standard recode data and dictionary dictionary are available in ISSA format. The table below lists the file names and descriptions.

File Description File Type
mxhm01.dat Household member data. Original WFS format Ascii text file
mxhm01.dct Codebook for household member data. Original WFS format Ascii text file Conditions of release for the original WFS format data Ascii text file
mxsr02.dat Individual standard recode data. Original WFS format Ascii text file
mxsr02.dct Codebook for individual standard recode data. Original WFS format Ascii text file
mxss01.dat Supplemental survey data. Original WFS format Ascii text file
mxss01.dct Codebook for supplemental survey data. Original WFS format Ascii text file Conditions of release for the ISSA format data Ascii text file
mxsr02h.dat Individual standard recode data. ISSA format Ascii text file
mxsr02h.dic Standard ISSA dictionary for ISSA format data (ISSA program is required to use this file) Binary file (requires ISSA program to use this file) Codebook file for the standard recode data. ISSA format Ascii text file

Key References

1. Dirección General de Estadística, Encuesta Mexicana de Fecundidad: Primer Informe, Mexico City, 1979.

2. Ordorica, M. and J.E. Potter, Evaluation of the Mexican Fertility Survey 1976-77, WFS Scientific Reports no 21, 1981.

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