Multivariate analysis of factors associated with sex trade work among 995 male IDUs between 1996 and 2003*
| Characteristic | Adjusted† odds ratio | GEE 95% CI | p Value |
|---|---|---|---|
| GEE, generalised estimating equation; CI, confidence interval. | |||
| *Based on 8046 study visits. | |||
| †Adjusted for incarceration, lending syringes, and methadone maintenance treatment. | |||
| ‡During the previous 6 months. | |||
| Age at enrolment, per year older | 0.93 | 0.92 to 0.94 | <0.001 |
| HIV positive at enrolment (yes v no) | 1.77 | 1.44 to 2.17 | <0.001 |
| Daily cocaine injection‡ (yes v no) | 1.37 | 1.11 to 1.70 | 0.004 |
| Daily crack smoking‡ (yes v no) | 1.36 | 1.07 to 1.72 | 0.011 |
| Borrowed syringes‡ (yes v no) | 1.73 | 1.32 to 2.25 | <0.001 |
| Unable to access addiction treatment‡ (yes v no) | 1.28 | 0.98 to 1.67 | 0.076 |
| Unprotected intercourse with casual sex partner‡ (yes v no) | 0.66 | 0.53 to 0.82 | <0.001 |