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Study on Global Ageing and Adult Health (SAGE) 2007-08 Wave 1 - All provinces in South Africa

Version
1.0
Resource Type
Dataset
Creator
  • Peltzer, Karl
  • Schneider, Marguerite
  • Makiwane, Monde
  • Zuma, Khangelani
  • Phaswana-Mafuya, Nancy
  • Human Sciences Research Council
Publication Date
2016-04-19
Embargo End Date
2016-04-19
Contributor
  • Human Sciences Research Council (Producer)
Funding Reference
  • South African Department of Health
  • United States National Institute on Aging
Free Keywords
Schema: UK DATA ARCHIVE - HASSET
ADULT HEALTH; AGEING; GLOBAL AGEING; HEALTH SURVEYS; SOUTH AFRICA
Description
  • Abstract

    Description: The data sets included in the SAGE 2007-08 study comprised household survey data, household members survey data and individual survey data. 396 of 600 targeted EAs (66%) were realised. WHO ID Number: ZAF-WHO-SAGE-2007-v01

    Abstract: SAGE Wave 1 (2007/08) provides a comprehensive data set on the health and well-being of adults in six low and middle-income countries: China, Ghana, India, Mexico, Russian Federation and South Africa. Objectives: To obtain reliable, valid and comparable health, health-related and well-being data over a range of key domains for adult and older adult populations in nationally representative samples To examine patterns and dynamics of age-related changes in health and well-being using longitudinal follow-up of a cohort as they age, and to investigate socio-economic consequences of these health changes To supplement and cross-validate self-reported measures of health and the anchoring vignette approach to improving comparability of self-reported measures, through measured performance tests for selected health domains To collect health examination and biomarker data that improves reliability of morbidity and risk factor data and to objectively monitor the effect of interventions Additional Objectives: To generate large cohorts of older adult populations and comparison cohorts of younger populations for following-up intermediate outcomes, monitoring trends, examining transitions and life events, and addressing relationships between determinants and health, well-being and health-related outcomes To develop a mechanism to link survey data to demographic surveillance site data To build linkages with other national and multi-country ageing studies To improve the methodologies to enhance the reliability and validity of health outcomes and determinants data. The data and documentation can be downloaded from the WHO website: http://www.who.int/healthinfo/sage/en/

Temporal Coverage
  • 2007 / 2008
Geographic Coverage
  • South Africa (ZA)
Sampled Universe
The household section of the survey covered all households in all nine provinces in South Africa. The individual section covered all persons aged 18 years and older residing within individual households. As the focus of SAGE is older adults, a much larger sample of respondents aged 50 years and older were selected with a smaller comparative sample of respondents aged 18-49 years.
Sampling
South Africa used a stratified multistage cluster sample design. Strata were defined by the nine provinces: (Eastern Cape, Free State, Gauteng, Kwa-Zulu Natal, Limpopo, Mpumalanga, North West, Northern Cape and Western Cape), locality (urban or rural), and predominant race group (African/Black, White, Coloured and Indian/Asian). As not all combinations of stratification variables were possible, there were 50 strata in total. The Human Sciences Research Council's master sample was used as the sampling frame which comprised 1000EAs. A sample of 600 EAs was selected as the primary sampling units(PSU). The number of EAs to be selected from each strata was based on proportional allocation (determined by the number of EAs in each strata specified on the Master Sample). EAs were then selected from each strata with probability proportional to size; the measure of size being the number of individuals aged 50 years or more in the EA. In each selected EA 30 households were randomly selected from the Master Sample. A listing of the 30 selected households was conducted to classify each household into one of two mutually exclusive categories: households with one or more members aged 50 years or more (defined as '50 plus households'); households which did not include any members aged 50 years or more, but included residents aged 18-49 (defined as '18-49 households'). All 50 plus households were eligible for the household interview, and all 50 plus members of the household were eligible for the individual interview. Two of the remaining 18-49 households were randomly selected for the household interview. In each of these household one person aged 18-49 was eligible for the individual interview, and the individual to be included was selected using a Kish Grid. Stages of selection: Strata: Province, Predominant Race Group, Locality=50 PSU: EAs=408 surveyed SSU: Households=4020 surveyed TSU: Individual=4227 surveyed
Time Dimension
  • Longitudinal: Trend/Repeated cross-section
    Longitudinal: Trend/Repeated cross section
Collection Mode
  • Clinical measurements
  • Face-to-face interview
  • Physical measurements
Availability
Download
Rights
By accessing the data, you give assurance that The data and documentation will not be duplicated, redistributed or sold without prior approval from the HSRC. The data will be used for statistical and scientific research purposes only and the confidentiality of individuals/organisations in the data will be preserved at all times and that no attempt will be made to obtain or derive information relating specifically to identifiable individuals/organisations. The HSRC will be informed of any books, articles, conference papers, theses, dissertations, reports or other publications resulting from work based in whole or in part on the data and documentation. The HSRC will be acknowledged in all published and unpublished works based on the data according to the citation as stated in the study information file or the web page metadata field, citation. For archiving and bibliographic purposes an electronic copy of all reports and publications based on the requested data will be sent to the HSRC. The collector of the data, the HSRC, and the relevant funding agencies bear no responsibility for use of the data or for interpretations or inferences based upon such uses. By retrieval of the data you signify your agreement to comply with the above-stated terms and conditions and give your assurance that the use of statistical data obtained from the HSRC will conform to widely-accepted standards of practice and legal restrictions that are intended to protect the confidentiality of respondents. Failure to comply with the above is considered infringement of the intellectual property rights of the HSRC.
Other

Update Metadata: 2019-12-14 | Issue Number: 1125 | Registration Date: 2016-08-16

Peltzer, Karl; Schneider, Marguerite; Makiwane, Monde; Zuma, Khangelani; Phaswana-Mafuya, Nancy et. al. (2016): Study on Global Ageing and Adult Health (SAGE) 2007-08 Wave 1 - All provinces in South Africa. Version: 1.0. HSRC - Human Science Research Council SA. Dataset. https://doi.org/10.14749/1400834404