Table 1. Characteristics of study population.
| Characteristics | Overall | Women | Men | p-value |
|---|---|---|---|---|
| N | 2304 (100%) | 1321 (57.3%) | 983 (42.7%) | |
| Age, years | ||||
| Range | 19–90 | 19–87 | 19–90 | |
| Mean (standard deviation) | 34.9 (13.5) | 35.1 (13.3) | 34.6 (13.7) | 0.412 |
| Median (25th-75th percentiles) | 30 (24–42) | 31 (25–43) | 30 (24–42) | |
| Level of education | ||||
| Range | 0–22 | 0–22 | 0–20 | |
| Mean (standard deviation) | 11.3 (4.2) | 10.6 (4.3) | 12.2 (3.9) | <0.001 |
| Median(25th-75th percentiles) | 12 (8–15) | 10 (7–14) | 12 (10–15) | |
| ≤ Primary school, n (%) | 423/2297 (18.4) | 305 (23.1) | 118 (12) | <0.001 |
| Secondary school, n (%) | 1136/2297 (49.5) | 657 (49.9) | 479 (48.9) | |
| Higher education, n (%) | 738/2297 (32.1) | 355 (27.0) | 383 (39.1) | |
| Ethnic group | <0.001 | |||
| Bantou, n (%) | 1191/2291 (52) | 704 (53.7) | 487 (49.6) | |
| Semi-Bantou, n (%) | 970/2291 (42.3) | 556 (42.4) | 414 (42.2) | |
| Others, n (%) | 130/2291 (5.7) | 50 (3.8) | 80 (8.2) | |
| Marital status | 0.014 | |||
| Living in couple, n (%) | 802/2274 (35.3) | 488 (37.4) | 314 (32.4) | |
| Alone, n (%) | 1472/2274 (64.7) | 816 (62.6) | 656 (67.6) | |
| Number/bedrooms in household | ||||
| Range | 0.3–11 | 0.3–11.0 | 0.3–9.0 | |
| Mean (standard deviation) | 2.4 (1.4) | 2.6 (1.4) | 2.2 (1.3) | <0.001 |
| Median (25th-75th percentiles) | 2.1 (1.5–3) | 2.2 (1.7–3.0) | 2.0 (1.0–2.7) | |
| Tobacco smoking | <0.001 | |||
| Smokers, n (%) | 194/2298 (8.4) | 36 (2.7) | 158 (16.1) | |
| Ex-smokers, n (%) | 129/2298 (5.6) | 25 (1.9) | 104 (10.6) | |
| Non-smokers, n (%) | 1975/2298 *85.9) | 1257 (95.4) | 718 (73.3) | |
| BMI, kg/m2 | ||||
| Range | 14.2–60.4 | 14.2–60.4 | 15.2–49.9 | |
| Mean (standard deviation) | 26.5 (5.4) | 27.4 (5.9) | 25.1 (4.3) | <0.001 |
| Median(25th-75th percentiles) | 25.3 (22.6–29.4) | 26.6 (23.1–30.8) | 24.4 (22.2–27.6) | |
| ≥ 30, n (%) | 502/2280 (22) | 379 (29.0) | 123 (12.7) | <0.001 |
BMI, body mass index.