Table 1.
Baseline characteristics, “Health and Ageing in Africa: A Longitudinal Study of an INDEPTH Community in South Africa” (HAALSI), Agincourt, South Africa, 2014–19
| Baseline Characteristic | Total eligible, at-risk participants |
|---|---|
| Overall, No. % | 3,856 (100%) |
| Age, y | |
| Mean (SD, range) | 60.1 (12.2, 40–111) |
| 40–44 | 377 (10%) |
| 45–49 | 372 (10%) |
| 50–54 | 590 (15%) |
| 55–59 | 526 (14%) |
| 60–64 | 555 (14%) |
| 65–69 | 485 (13%) |
| 70–74 | 375 (10%) |
| 75–79 | 273 (7%) |
| 80+ | 303 (8%) |
| Sex/gender, No. % | |
| Female | 2,121 (55%) |
| Male | 1,735 (45%) |
| Country of birth, No. % | |
| South Africa | 2,730 (71%) |
| Mozambique or other | 1,123 (29%) |
| Educational attainment, No. % | |
| Mean years (SD, range) | 3.9 (4.3, 0–14) |
| 0 years | 1,607 (42%) |
| 1–7 years | 1,386 (36%) |
| 8–11 years | 487 (13%) |
| 12+ years | 368 (10%) |
| Literacy, No. % | |
| Cannot read and/or write | 1,716 (45%) |
| Can read and write | 2,138 (55%) |
| Employment status, No. % | |
| Employed | 662 (17%) |
| Not working | 2,765 (72%) |
| Homemaker | 418 (11%) |
| Marital status, No. % | |
| Married or living as married | 2,066 (54%) |
| Not married | 1,788 (46%) |
| Household assets quintile, No. % | |
| 5 (richest) | 806 (21%) |
| 4 | 792 (21%) |
| 3 | 762 (20%) |
| 2 | 754 (20%) |
| 1 (poorest) | 742 (19%) |
| Smoking history, No. % | |
| Never smoker | 3,065 (80%) |
| Current or former smoker | 787 (20%) |
| Alcohol consumption ≥five days/week, No. % | |
| Yes | 218 (6%) |
| No | 3,635 (94%) |
| Hypertension, No. % | |
| Yes | 2,195 (58%) |
| No | 1,599 (42%) |
| History of stroke, angina, or heart attack, No. % | |
| Yes | 193 (5%) |
| No | 3,661 (95%) |
| History of diabetes, No. % | |
| Yes | 404 (11%) |
| No | 3,179 (89%) |
| HIV status (DBS), No. % | |
| Positive | 850 (24%) |
| Negative | 2,682 (76%) |
Note: The N for each baseline characteristic may not sum to 3,856, due to a small number of missing observations