National Archive of Computerized Data on Aging

This study is maintained and distributed by the National Archive of Computerized Data on Aging (NACDA), the aging program within ICPSR. NACDA is sponsored by the National Institute on Aging (NIA) at the National Institutes of Heath (NIH).

Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa [HAALSI] Baseline Survey: Agincourt, South Africa, 2015 (ICPSR 36633)

Alternate Title:   HAALSI

Principal Investigator(s): Berkman, Lisa, Harvard T.H. Chan School of Public Health

Summary:

The Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa (HAALSI) study is a population-based survey that aims to examine and characterize a population of older men and women in rural South Africa with respect to health, physical and cognitive function, aging, and well-being, in harmonization with other Health and Retirement Studies.

The baseline survey was conducted among 5,059 men and women aged 40 years or older, who were sampled from within the existing framework of the Agincourt health and socio-demographic surveillance system (AHDSS), in rural Mpumalanga province, South Africa. Survey data were collected on cognitive and physical functioning, social networks, cardiometabolic disease and risk factors, HIV and HIV risk, and economic well-being. The survey also included anthropometric measures and point-of-care blood tests for hemoglobin, glucose and lipids. Dried bloodspots (DBS) were collected at the survey and later tested for HIV, HIV viral load, glucose and CRP. A sub-sample had more extensive laboratory follow-up testing, which will be available in future data releases.

Demographic information includes age, sex, income, education, marital status, number of children, and employment.

Access Notes

  • The public-use data files in this collection are available for access by the general public. Access does not require affiliation with an ICPSR member institution.

Dataset(s)

Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa [HAALSI] Baseline Survey: Agincourt, South Africa, 2015 - Download All Files (186.79 MB) large file
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Study Description

Citation

Berkman, Lisa. Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa [HAALSI] Baseline Survey: Agincourt, South Africa, 2015. ICPSR36633-v2. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2017-10-30. https://doi.org/10.3886/ICPSR36633.v2

Persistent URL: https://doi.org/10.3886/ICPSR36633.v2

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Scope of Study

Subject Terms:    aging, business ownership, cardiovascular disease, cognition, economics, employment, financial assets, food security, government subsidies, health services utilization, health status, HIV, household expenditures, household income, housing, land ownership, livestock, mental health, older adults, physical condition, sleep, social environment, social networks

Smallest Geographic Unit:    Village

Geographic Coverage:    Africa, Global, South Africa

Time Period:   

  • 2014--2015

Date of Collection:   

  • 2014-11--2015-11

Unit of Observation:    Individual, Household

Universe:    Men and women aged 40 years or older living in rural Mpumalanga province, South Africa.

Data Type(s):    clinical data, survey data

Data Collection Notes:

For more information about the Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa Survey, visit the HAALSI Web site.

Methodology

Sample:    Participants were sampled from the existing framework of the Agincourt Health and Socio-Demographic Surveillance System (AHDSS) site in Mpumalanga province. Individuals 40 years and older as of July 1, 2014 and permanently living in the study site during the 12 months previous to 2013 census round were eligible for this study. Using the full 2013 Census data, a sampling frame of 8,974 women and 3,901 men aged 40 and older who met the residence criteria were identified. Based on power calculations for key health outcomes, the target sample size was approximately 5,000 completed interviews divided equally between women and men. In order to maximize the links to data collected in prior surveys, individuals who had participated in the WHO SAGE and prior Agincourt HIV/NCD studies with 100% probability were selected. The remainder of the sample was selected randomly to reach the target. Assuming an 80% response rate, we selected a total of 6,281 women and men for the main household study.

Time Method:    Cross-sectional

Weight:    The data do not contain any weight variables.

Mode of Data Collection:    computer-assisted personal interview (CAPI)

Response Rates:    The response rate was 86% after excluding sampled individuals who had died or permanently out-migrated from the study site.

Extent of Processing:   ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:

  • Created online analysis version with question text.
  • Checked for undocumented or out-of-range codes.

Version(s)

Original ICPSR Release:   2016-12-01

Version History:

  • 2017-10-30 Full curation utilizing an updated deposit of data and documentation was completed. This update included the addition of question text and updates to the variable and value labels.

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