Table 4.
Univariate and multivariablea analyses for factors associated with not starting methadone treatment during follow-up.
| Variables | Crude OR [95% CI] | Adjusted OR [95% CI] |
|---|---|---|
| At RDS visit: | ||
| Age group | ||
| - ≤ 31 to. > 43 years | 2.06 [0.99–4.30] | |
| - [31–37.5] to > 43 years | 2.09 [0.96–4.57] | |
| - [37.5–43] to > 43 years | 2.62 [1.22–5.63] | |
| Income: | ||
| >3 000 to ≤ 3 000 VNDb | 1.68 [0.99–2.84] | |
| Duration of injection at RDS visit | 0.97 [0.93–1.01] | |
| Summarized variables: | ||
| Having a medical insurance at some point (yes/no) | 1.42 [0.85–2.39] | |
| Having consumed non-injected drugs other than methamphetamine (yes/no) | 2.12 [1.05–4.29] | |
| Having a small mean number of injections per month (<75 vs. > 75 injections/month) | 2.37 [1.40–4.01] | 2.50 [1.44–4.33] |
| Having consumed | ||
| methamphetamine (yes/no) | 3.21 [1.88–5.48] | 3.34 [1.92–5.79] |
a
Other variables tested in univariate model: gender, marital status, having a child, living partner, educational level, having household registration, men having sex with men, female having sex in exchange of money, having risk-prone sexual intercourse with casual partner, feeling hopeless, feeling worry, feeling depressed, suicidal ideations methadone history, consumption of alcohol, HIV infection, HCV infection, rehabilitation in compulsory or voluntary centre.
b
VND: Vietnamese Dong.