Table 1.
Sample characteristics
| Characteristic | Category | Overall (N=32,715) | China (N=12,815) | Ghana (N=4201) | India (N=6191) | Mexico (N=2070) | Russia (N=3766) | S. Africa (N=3672) |
|---|---|---|---|---|---|---|---|---|
| Sex | Female | 51.7 | 50.2 | 47.4 | 48.2 | 52.8 | 60.6 | 56.0 |
| Age (years) | Mean (SD) | 62.1 (15.6) | 62.4 (16.3) | 64.2 (19.7) | 61.1 (13.2) | 62.3 (17.4) | 63.4(14.8) | 61.4 (18.3) |
| Education (years) | Mean (SD) | 6.1 (8.9) | 5.6 (8.1) | 4.2 (9.9) | 3.8 (7.4) | 5.1 (7.9) | 11.2(5.1) | 6.0(10.1) |
| Wealth | Poorest | 16.9 | 16.0 | 18.4 | 18.2 | 14.4 | 15.6 | 20.7 |
| Poorer | 18.9 | 18.0 | 19.1 | 19.4 | 25.2 | 19.7 | 19.9 | |
| Middle | 19.4 | 20.4 | 20.3 | 18.5 | 16.7 | 19.0 | 18.5 | |
| Richer | 21.5 | 23.6 | 20.8 | 19.8 | 16.5 | 20.8 | 19.8 | |
| Richest | 23.3 | 22.1 | 21.4 | 24.2 | 27.2 | 24.9 | 21.1 | |
| Depression | Yes | 5.5 | 1.0 | 7.0 | 11.9 | 10.2 | 3.2 | 2.9 |
| No. of chronic physical conditions | Mean (SD) | 1.8 (2.5) | 1.5 (2.4) | 1.4 (2.0) | 1.8 (2.2) | 1.7 (2.2) | 2.3 (2.5) | 1.7(2.5) |
| Mild cognitive impairment | Yes | 15.3 | 24.3 | 7.4 | 9.7 | 17.6 | 9.6 | 8.5 |
| Perceived stress scorea | Mean (SD) | 4.0 (4.0) | 3.3 (4.0) | 5.1 (3.9) | 4.4 (3.9) | 2.4 (3.8) | 4.2 (2.9) | 4.6(5.3) |
Abbreviation: S. Africa South Africa; SD Standard deviation
Data are weighted column percentage unless otherwise stated.
a
Perceived stress was based on a scale ranging from 0–10 with higher scores corresponding to higher levels of stress.