Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa (HAALSI) studies the drivers and consequences of HIV and non-communicable diseases in an aging population in Agincourt, South Africa. From 2014–2015, a first wave of interview and biomarker data were collected from a sample of men and women aged 40 and older in Agincourt. Additional waves of data collection took place in 2018 and 2021, with plans to expand the scope of the study to 2028.
HAALSI has since expanded into a larger family of studies titled Health and Aging in Africa: Longitudinal Studies in South Africa (HAALSA). HAALSA is conducted at several levels in South Africa:
- HAALSA Indepth: Community cohort in Agincourt (HAALSI)
- HAALSA HARPS: Nationally representative survey (Health, Aging and Retirement Panel Study)
- HAALSA SAPRIN: HAALSA survey administered at SAPRIN nodes
HAALSA aims to explore aging in South Africa, with focal areas in cognitive health, cardiometabolic disease, HIV and HIV treatment, public policies, social determinants of health, and health inequalities. The HAALSA study can harmonize with the Health and Retirement Study (HRS). Both the community and national surveys include an in-depth cognitive assessment on a sub-sample of participants using the Harmonized Cognitive Assessment Protocol (HCAP).
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