10.7910/DVN/YDGSBW Harvard Center for Population and Development Studies Harvard University Harvard Dataverse 2021 Medicine, Health and Life Sciences Social Sciences South Africa Aging Older Adults Cognition Dementia Agincourt HAALSI Harvard Center for Population and Development Studies (Harvard T.H. Chan School of Public Health) Harvard University 2021-03-26 2021-03-29 2023-05-18 2014-11-01/2015-11-30 164737 389639 240224 286124 191452 767082 438545 187690 637778 217994 150426 680734 175782 application/pdf application/pdf application/pdf application/pdf application/pdf application/pdf application/pdf text/tab-separated-values text/tab-separated-values text/tab-separated-values application/pdf text/tab-separated-values application/pdf 2.1 Custom terms specific to this dataset The Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community (HAALSI) Dementia study collects detailed neuropsychological and functional assessments, informant interviews as well as neurological and clinical evaluations on a sub-sample of HAALSI individuals aged 50 and older (see Figure 1 for summary). The final sample included 635 participants who completed at least part of the study. Of those, 631 participants completed the cognitive battery (see variable respondent_status), 630 completed the informant interview (see variable inf_status), and 590 completed the neurological examination (see variable neuro_status). In total, 582 participants completed all three components of the study: cognitive battery, informant interview and neurological examination. NIH - NIA 1R01AG054066-01A1