| Variables |
Estimates |
SE of
Estimates |
OR |
95% CI |
| Lower |
Upper |
| Age |
0.02 |
0.02 |
1.02 |
0.99 |
1.06 |
| Education |
0.07 |
0.05 |
1.08 |
0.99 |
1.18 |
| Knowledge about HIV infection** |
-0.72 |
0.12 |
0.49 |
0.38 |
0.62 |
| Age at first drug use |
0.01 |
0.03 |
1.01 |
0.96 |
1.06 |
| Age at first sex |
-0.02 |
0.04 |
0.99 |
0.91 |
1.07 |
| Hepatitis C* |
2.59 |
0.30 |
12.54 |
7.03 |
22.35 |
| Used condom at last sex* |
0.78 |
0.33 |
2.18 |
1.15 |
4.15 |
| Female drug use partner* |
0.59 |
0.30 |
1.81 |
1.01 |
3.24 |
| Multiple sexual partners in last 6 months |
-0.52 |
0.28 |
0.60 |
0.35 |
1.03 |
| Polydrug use (heroin and amphetamines)* |
-0.59 |
0.28 |
0.55 |
0.32 |
0.96 |
| Age at first heroin injection |
-0.02 |
0.03 |
0.98 |
0.93 |
1.03 |
| Shared needle at last heroin injection* |
0.87 |
0.35 |
2.38 |
1.19 |
4.74 |
| Shared rinse water at last heroin injection** |
0.98 |
0.31 |
2.67 |
1.47 |
4.90 |
| Penis beads** |
0.91 |
0.29 |
2.47 |
1.40 |
4.36 |
