Table 1.
Background characteristics of all participants (n=401)
| n | % | |
|---|---|---|
| Socio-demographic characteristics | ||
| Sex | ||
| Male | 351 | 87.5 |
| Female | 50 | 12.5 |
| Age group | ||
| <40 | 117 | 29.2 |
| ≥40 | 284 | 70.8 |
| Education level attained | ||
| Primary or below | 98 | 24.4 |
| Junior high | 221 | 55.1 |
| Senior high or above | 82 | 20.5 |
| Current marital status | ||
| Single | 138 | 33.2 |
| Married or cohabitation | 215 | 53.6 |
| Divorced or other | 53 | 13.2 |
| Current employment status | ||
| No | 225 | 56.1 |
| Yes (full-time or part-time) | 176 | 43.9 |
| HIV infection status | ||
| No | 387 | 96.5 |
| Yes | 14 | 3.5 |
| Drug use history | ||
| Age of first drug use (years) | ||
| <20 | 85 | 21.2 |
| ≥20 | 316 | 78.8 |
| Ever injected drugs | ||
| No | 75 | 18.7 |
| Yes | 326 | 81.3 |
| Number of times of compulsory drug detoxification | ||
| 0 | 61 | 15.2 |
| 1–2 | 223 | 55.6 |
| ≥3 | 117 | 29.2 |
| Treatment-related characteristics | ||
| Duration of MMT(year) | ||
| 0 | 65 | 16.2 |
| 1–2 | 183 | 45.6 |
| ≥3 | 153 | 38.2 |
| Being transferred from other MMT clinics | ||
| No | 362 | 90.3 |
| Yes | 39 | 9.7 |
| Ever re-admitted to MMT | ||
| No | 355 | 88.5 |
| Yes | 46 | 11.5 |
| Average daily dose of methadone during the survey (mg/day) | ||
| <60 | 203 | 50.6 |
| ≥60 | 198 | 49.4 |