Table 1. Characteristics of the study population* (n = 18,857).
| Variable | Frequency (%) |
| Sex * | |
| Male | 9773 (52) |
| Female | 9075 (48) |
| Age (years); mean ± SD | 26.75±18.87 |
| Age category (years) ** | |
| 0–10 | 4619 (25) |
| 11–20 | 4032 (21) |
| 21–30 | 3520 (19) |
| 31–40 | 2614 (14) |
| 41–50 | 1925 (10) |
| 51> | 2142 (11) |
| Religion ** | |
| Muslim | 16854 (89) |
| Hindu | 1728 (9) |
| Christian | 38 (1) |
| Buddhist | 232 (1) |
| Occupation ** | |
| Service | 1026 (5) |
| Farmer | 2178 (12) |
| Student | 4546 (24) |
| Housewife | 4766 (25) |
| Business | 1200 (6) |
| Day laborer | 1279 (7) |
| Others | 3857 (21) |
| Number of participants per division | |
| Barisal | 1277 (7) |
| Chittagong | 3602 (19) |
| Dhaka | 5983 (32) |
| Khulna | 2164 (11) |
| Rajshahi | 4272 (23) |
| Sylhet | 1559 (8) |
| Years of schooling | |
| None | 6824 (36) |
| 1–5 | 6258 (33) |
| >5 | 5775 (31) |
| Total household monthly income (taka) | |
| < = 3000 Tk | 6589 (35) |
| 3001–4500 Tk | 2888 (15) |
| 4501–7000 Tk | 5128 (27) |
| >7000 Tk | 4252 (23) |
| Marital status | |
| Married | 9453 (50) |
| Unmarried | 8825 (47) |
| Others | 579 (3) |
*Missing data = 9,
**Missing data = 5.