Table 4.
Multiple logistic regression analysis of HIV risk factors among 689 male inmates, Bangkok Thailand, 2001–2002.
| Factors | Adjusted OR | 95% CI | p-values |
| Age | 0.99 | 0.96–1.02 | 0.480 |
| Injection history* | |||
| No | 1.00 | ||
| Yes | 2.30 | 1.91–2.77 | <0.001 |
| History of attending withdrawal | |||
| Clinic | |||
| No | 1.00 | ||
| Yes | 2.00 | 1.19–3.35 | 0.009 |
| Positive urine opiate test | |||
| No | 1.00 | ||
| Yes | 5.04 | 2.63–9.67 | <0.001 |
| Presence of tattoos on the body | |||
| No | 1.00 | ||
| Yes | 1.23 | 1.01–1.52 | 0.048 |
* Injection history included information of injection before or after incarceration, presence or absence of injection scars, history of sharing injection paraphernalia and injection duration.