Factors associated with smoking status
| Characteristics | Current smoking (yes/no) | FTND score | ||||
| OR | 95% CI | Coefficient | 95% CI | |||
| Age | 0.04* | 0.01 | 0.08 | |||
| Education (vs < high school) | ||||||
| High school | 2.29* | 1.28 | 4.07 | |||
| Occupations (vs unemployed) | ||||||
| Employed | −0.55* | −1.07 | −0.03 | |||
| Income quintile (vs poorest) | ||||||
| Rich | 0.52† | −0.03 | 1.07 | |||
| Richest | 0.63† | 0.10 | 1.17 | |||
| HIV status (vs negative) | ||||||
| Positive | 0.46* | 0.24 | 0.88 | −0.44 | −1.11 | 0.22 |
| Unknown | −0.76 | −1.76 | 0.24 | |||
| Age of first drug injection | −0.07* | −0.11 | −0.02 | |||
| Substance use | ||||||
| Interaction between current drug use and alcohol drinking (vs no use drug + no drink hazardously) | ||||||
| Only drink hazardously | 1.51 | 0.82 | 2.78 | 0.83* | 0.37 | 1.30 |
| Only use drug | 1.61* | 0.23 | 3.25 | |||
| Both use drug + drink hazardously | 1.75* | 0.24 | 3.25 | |||
| No. of drug rehabilitation (vs none) | ||||||
| 1–5 times | −0.33 | −0.75 | 0.09 | |||
| Duration of MMT (months) | 0.98* | 0.96 | 0.99 | −0.03* | −0.05 | −0.01 |
| MMT delivery model (vs MMT + VCT) | ||||||
| MMT + GH | 2.11* | 0.98 | 4.56 | |||
| MMT + VCT + ART + GH | −0.30 | −0.73 | 0.13 | |||
*p<0.05; †p<0.1.
ART, antiretroviral therapy; FTND, Fagerström test for nicotine dependence; GH, general healthcare; MMT, methadone maintenance treatment; VCT, voluntary counselling and testing.