Table 2.
Correlates of HIV prevalence estimated using univariate and multivariate Poisson regression among 909 IDUs in Chennai, India
| Variable | Unadjusted Prevalence Ratio |
95% CI | Adjusted Prevalence Ratio* |
95% CI |
|---|---|---|---|---|
| Age | ||||
| per 10 year increase in age | 0.96 | 0.85, 1.09 | 0.92 | 0.79, 1.06 |
| Current marital status | ||||
| Married / Live-in partner | 1 | - | 1 | - |
| Single | 1.31 | 1.06, 1.62 | 1.23 | 1.0, 1.52 |
| Separated | 2.18 | 1.60, 2.97 | 1.78 | 1.33, 2.37 |
| Divorced/Widowed | 1.10 | 0.48, 2.56 | 0.97 | 0.38, 2.44 |
| Highest Level of Education [n(%)] | ||||
| None | 1 | - | 1 | - |
| Primary | 0.92 | 0.72, 1.18 | 0.98 | 0.78, 1.23 |
| Secondary | 0.90 | 0.69, 1.18 | 0.87 | 0.67, 1.13 |
| High school/ University/ Professional | 0.84 | 0.58, 1.21 | 1.0 | 0.69, 1.44 |
| Years of injecting drug use | ||||
| ≥ 1 year | 1 | - | 1 | - |
| 2 – 5 years | 2.18 | 0.98, 4.82 | 2.05 | 0.92, 4.58 |
| 6 – 10 years | 3.11 | 1.42, 6.77 | 2.45 | 1.11, 5.44 |
| ≥ 11 years | 3.49 | 1.61, 7.53 | 3.02 | 1.36, 6.72 |
| Frequency of alcohol consumption | ||||
| Never | 1 | - | 1 | - |
| Less than once a week | 0.67 | 0.54, 0.84 | 0.67 | 0.53, 0.84 |
| More than once or once per week | 0.48 | 0.38, 0.62 | 0.55 | 0.43, 0.69 |
| History of ever injecting at dealer’s place | ||||
| No | 1 | - | 1 | - |
| Yes | 1.83 | 1.50, 2.22 | 1.57 | 1.29, 1.91 |
| History of tattooing | ||||
| No | 1 | - | 1 | - |
| Yes | 2.02 | 1.53, 2.66 | 1.78 | 1.35, 2.36 |
*
adjusted for age, marital status, education level, years of injection drug use, alcohol consumption and history of tattooing and injecting at dealer’s place