| Variables | Categories | Frequency | Percentage (%) |
|---|---|---|---|
| Health insurance | Yes | 62 | 14.9 |
| No | 354 | 85.1 | |
| Occupations | Employed | 155 | 37.3 |
| Not employed | 261 | 62.7 | |
| Educational status | Illiterate | 55 | 13.2 |
| Literate | 361 | 86.8 | |
| Family monthly income (US$) | < 57.31 | 106 | 25.5 |
| 57.31–101.07 | 127 | 30.5 | |
| 101.11–151.61 | 84 | 20.2 | |
| > 151.61 | 99 | 23.8 |