Table 1.
Socio-demographic characteristics of study participants at each survey
| Round 1 | Round 2 | Round 3 | |
|---|---|---|---|
| N (%) | N (%) | N (%) | |
| Sex | |||
| Male | 3,787 (45.8) | 2,771 (42.3) | 4,711 (37.6) |
| Female | 4,486 (54.2) | 3,788 (57.7) | 7,822 (62.4) |
| Age | |||
| 15–19 | 1,326 (16.0) | 764 (11.7) | 1,037 (8.3) |
| 20–29 | 3,363 (40.7) | 2,415 (36.8) | 4,808 (38.4) |
| 30–39 | 2,010 (24.3) | 1,647 (25.1) | 3,155 (25.2) |
| 40+ | 1,574 (19.0) | 1,733 (26.4) | 3,533 (28.2) |
| Marital status | |||
| Single | 2,321 (28.1) | 1,334 (20.3) | 1,833 (14.6) |
| Married | 4,715 (57.0) | 4,227 (64.5) | 8,465 (67.6) |
| Previously married | 1,237 (14.9) | 998 (15.2) | 2,235 (17.8) |
| Education | |||
| None | 306 (3.7) | 127 (1.9) | 9 (0.1) |
| Primary | 3,343 (40.4) | 2,582 (39.4) | 4,779 (38.1) |
| Secondary | 4,474 (54.1) | 3,672 (56.0) | 7,032 (56.1) |
| Higher | 150 (1.8) | 68 (1.0) | 208 (1.7) |
| Missing | 0 (0.0) | 110 (1.7) | 505 (4.0) |
| Total | 8,273 | 6,559 | 12,533 |