Variable | Crude OR (95% CI) | p | Adjusted OR (95% CI) | p | ||
---|---|---|---|---|---|---|
Age, years | ||||||
 24–40 | Ref |  |  |  |  |  |
 41–59 | 0.89 | (0.50–0.56) | 0.677 |  |  |  |
Gender | ||||||
 Female | Ref. |  |  |  |  |  |
 Male | 0.75 | (0.12–0.58) | 0.755 |  |  |  |
Educational level completed | ||||||
 Secondary school and lower | Ref. |  |  |  |  |  |
 High school and higher | 0.91 | (0.53–0.55) | 0.718 |  |  |  |
Marital status | ||||||
 Married | Ref. |  |  | Ref |  |  |
 Single/widowed/divorced/separated | 0.49 | (0.28–0.86) | 0.013 | 0.67 | (0.24–1.86) | 0.440 |
Have children | ||||||
 No | Ref. |  |  | Ref |  |  |
 Yes | 2.50 | (1.36–0.59) | 0.003 | 2.84 | (0.88–9.14) | 0.081 |
Distance from house to the MMT clinic, mean (SD), km | 1.06 | (0.99–0.13) | 0.054 | 1.07 | (0.96–1.20) | 0.228 |
Most recent methadone dose (mg/day) | ||||||
 5–59 | Ref. |  |  | Ref |  |  |
 60–119 | 0.40 | (0.22–0.76) | 0.005 | 0.40 | (0.17–0.94) | 0.036 |
 120–380 | 0.36 | (0.10–0.46) | < 0.001 | 0.28 | (0.09–0.86) | 0.026 |
Number of doses of methadone missed, last 3Â months | ||||||
 No missed doses | Ref. |  |  | Ref |  |  |
 1–3 doses | 3.61 | (1.66–7.87) | 0.001 | 2.21 | (0.86–5.66) | 0.098 |
 > 3 doses | 24.4 | (10.83–4.98) | < 0.001 | 18.48 | (7.25–47.09) | < 0.001 |
Used heroin during last month of MMT | ||||||
 No | Ref. |  |  | Ref |  |  |
 Yes | 8.92 | (3.96–20.13) | < 0.001 | 12.40 | (4.19–36.75) | < 0.001 |
Have current friends who use drugs | ||||||
 No | Ref. |  |  | Ref |  |  |
 Yes | 0.68 | (0.39–1.16) | 0.154 | 0.62 | (0.29–1.31) | 0.207 |
HIV status | ||||||
 Negative | Ref. |  |  | Ref |  |  |
 Positive | 0.33 | (0.17–0.65) | 0.001 | 1.06 | (0.39–2.93) | 0.907 |
Self-reported mental health problems, last 3Â months | ||||||
 No | Ref. |  |  | Ref |  |  |
 Yes | 1.90 | (1.10–3.29) | 0.021 | 0.99 | (0.45–2.17) | 0.983 |