Table 1.
Baseline characteristics of the study sample
| Gender | n | % | mean | SD |
| Male | 684 | 46.5 | 50.2 | 17.3 |
| Female | 786 | 53.5 | 50.4 | 17.4 |
| Average earnings/month | n | % | ||
| < Rs.20, 000 | 231 | 15.7 | ||
| Rs.20,000-50,000 | 708 | 48.1 | ||
| > Rs. 50, 000 | 531 | 36.1 | ||
| Highest level of education | n | % | ||
| Less than primary school | 24 | 1.6 | ||
| Primary school completed | 196 | 13.3 | ||
| Secondary school completed | 713 | 48.5 | ||
| High school completed | 391 | 26.6 | ||
| University or above | 146 | 9.9 | ||
| Male | Female | |||
| Age category | n | % | n | % |
| 20-39 | 212 | 31.0 | 246 | 31.3 |
| 40-59 | 234 | 34.2 | 267 | 34.0 |
| 60-79 | 210 | 30.8 | 237 | 30.2 |
| ≥ 80 | 28 | 4.0 | 36 | 4.6 |
| Civil status | ||||
| Single | 150 | 22.2 | 163 | 20.7 |
| Married | 532 | 77.5 | 612 | 77.9 |
| Widowed | 1 | .1 | 11 | 1.4 |
| Divorced | 1 | .1 | – | – |
| Ethnicity | ||||
| Sinhalese | 631 | 92.2 | 713 | 90.3 |
| Sri Lankan Moors | 53 | 7.8 | 76 | 9.7 |