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Population Cohort

Health and Ageing in Africa: A Longitudinal Study of an INDEPTH Community in South Africa (HAALSI)

HAALSIActiveSouth AfricaEstablished 2014Cohort
3,707
Cohort size
2014
Year started
Rural
Setting
Adults ≥40
Age group
All
Sex
Cohort
Cohort type

About this cohort

Established in 2014 in the Agincourt sub-district, Mpumalanga, South Africa, as an HRS-harmonised longitudinal cohort of 5,059 men and women aged 40+. Nested in the MRC/Wits Agincourt HDSS, HAALSI monitors social, economic and biological risks for cardiovascular disease, HIV, cognitive function and dementia. A leading platform for ageing research across the African continent.

Cohort-provided summary · derived from APCC directory fields

Research themes

Primary research themes for this cohort.

Aging
NCDs
HIV/AIDS
Cognition & Dementia

Study population

Who the cohort follows.

This cohort covers 3,707 participants in a rural setting in South Africa, spanning Adults ≥40 (all). Detailed inclusion criteria and follow-up schedule — To be confirmed.

Timeline

Milestones in the cohort record.

2014
Cohort established
Start of data collection as recorded in the APCC directory.
Further milestones
To be confirmed Additional events pending custodian input.

Key characteristics

Core descriptive metadata.

Study design / type
Cohort
Cohort size
3,707Participants / residents
Population focus
Adults ≥40 · All
Geographic coverage
South AfricaRural
Year started
2014Ongoing
Coordinates
-24.8167, 31.5667Lat, Long

Institutions & governance

Lead institution(s); partners and governance to be confirmed.

Harvard University
SAMRC
University of the Witwatersrand

Partner institutions & governance arrangements — To be confirmed

Nested studies & sub-cohorts

Studies built on this cohort platform.

Nested studies / sub-cohorts — To be confirmed.

FAIR readiness

Findable, Accessible, Interoperable, Reusable assessment.

F · TBCA · TBCI · TBCR · TBC
FAIR assessment pending — to be completed with the cohort custodian against the APCC metadata standard.

Investigators

Principal investigators and ORCID identifiers.

Information pending validation.

Publications & evidence

Outputs, policy briefs and research evidence.

◆ Powered by Africahied
Publications, policy briefs and research outputs to be linked from Africahied. To be confirmed.

Data access & governance

How the data can be accessed and governed.

🔒
Access procedure
Managed access via the cohort custodian
Request
🛡
Ethics & governance
To be confirmed

Collaboration opportunities

Partnerships and capacity strengthening.

Collaboration opportunities, capacity-strengthening and partnership details. To be confirmed.

Contact

How to reach the cohort team or request access.

🏛
Lead institution
Harvard University
Contact
To be confirmed
Metadata source: APCC cohort directoryLast reviewed: 19 June 2026Some fields are placeholders pending custodian confirmation — verify independently.