Skip to main content
. Author manuscript; available in PMC: 2022 Mar 18.
Published in final edited form as: Lancet Healthy Longev. 2021 Jan 18;2(2):e78–e86. doi: 10.1016/s2666-7568(20)30050-7

Table 1.

Descriptive characteristics of the sample in the baseline 2010–11 wave, South African National Income Dynamics Study (N = 4,993).

Characteristics No. or mean (% or SD)
Age (years) 50.5 (14.0)
Women 3,432 (68.7)
Race
 African 4,226 (84.6)
 Coloured 628 (12.6)
 Asian/Indian 52 (1.0)
 White 87 (1.7)
Marital status
 Married or living with partner 2,530 (50.7)
 Widow, divorced or separated 980 (19.6)
 Never married 1,483 (29.7)
Completed schooling
 No schooling 1,162 (23.3)
 Primary and secondary 3,399 (68.1)
 Tertiary 432 (8.7)
Geography type
 Urban 2,191 (43.9)
 Traditional 2,394 (47.9)
 Farms 408 (8.2)
Province
 Western Cape 395 (7.9)
 Eastern Cape 686 (13.7)
 Northern Cape 396 (7.9)
 Free State 294 (5.9)
 KwaZulu-Natal 1,492 (29.9)
 North West 351 (7.0)
 Gauteng 497 (10.0)
 Mpumalanga 396 (7.9)
 Limpopo 486 (9.7)
Self-reported health status
 Excellent 1,351 (27.1)
 Very good 1,390 (27.8)
 Good 1,261 (25.3)
 Fair 679 (13.6)
 Poor 312 (6.2)
Current smoker 807 (16.2)
Number of days of alcohol use per week
 < 1 4,664 (93.4)
 1–2 204 (4.1)
 ≥ 3 125 (2.5)
Reported frequency of exercising per week
 < 1 4,446 (89.0)
 1–2 332 (6.6)
 ≥ 3 215 (4.3)
Body mass index (kg/m2) 28.4 (7.6)