Table 1. Demographic characteristics of study participants.
| Variables | Total subjects (n = 267) | |
|---|---|---|
| n | % | |
| Age (mean ± SD) | 51.89 ± 13.66 | |
| < 18 | 6 | 2.2 |
| 18–30 | 9 | 3.4 |
| 31–45 | 72 | 27 |
| 46–60 | 108 | 40.4 |
| >60 | 72 | 27 |
| Gender | ||
| Males | 167 | 62.5 |
| Females | 100 | 37.5 |
| Educational Background * | ||
| Uneducated | 129 | 48.3 |
| Primary education | 107 | 40.1 |
| Secondary education | 28 | 10.5 |
| Tertiary education | 3 | 1.1 |
| Occupational status ** | ||
| Formal | 1 | 0.4 |
| Informal | 142 | 53.2 |
| Unemployment | 52 | 19.5 |
| Unemployed | 72 | 27 |
*Uneducated: no education; primary education: elementary, junior high school; secondary education: senior high school; tertiary education: undergraduate
**Formal: teacher; Informal: construction worker, driver, farmer, freelancer, maid; unemployment: not working; unemployed: student, housewife, child