Table 4.
Estimated effect of injection drug use on sexual risk behaviors during 36-month follow-up period (GEE), Female Participants
| N | AORb | 95% CI | Pr(y|x=0)c | Pr(y|x=1)d | |
|---|---|---|---|---|---|
| Any unprotected sexa | 199 | 1.25 | (0.62–2.53) | 0.667 | 0.705 |
| Unprotected sexa with main partner | 202 | 1.36 | (0.71–2.63) | 0.594 | 0.650 |
| Unprotected sexa with non-main partner | 199 | 1.62 | (0.69–3.82) | 0.154 | 0.221 |
| Any anal sex | 203 | 1.10 | (0.54–2.27) | 0.163 | 0.174 |
| Unprotected anal sex | 203 | 0.90 | (0.40–2.00) | 0.153 | 0.142 |
| Traded/sold sex for money, drugs, goods | 203 | 2.95 | (1.31–6.67) | 0.111 | 0.247 |
| Traded/sold sex, unprotected | 191 | 0.78 | (0.12–5.13) | 0.019 | 0.015 |
| Bought sex | 205 | 1.88 | (0.56–6.28) | 0.050 | 0.089 |
| Current IDU sex partner | 204 | 19.95 | (7.67–51.91) | 0.031 | 0.272 |
| Ever IDU sex partner | 204 | 9.12 | (3.68–22.56) | 0.080 | 0.276 |
| More than 1 sex partner | 206 | 1.40 | (0.76–2.56) | 0.281 | 0.349 |
a
vaginal or anal intercourse
b
adjusted for age, cohabitation, race/ethnicity, education, homelessness, heavy drinking, and lagged effects of injection and sexual risk outcome
c
Predicted probability of outcome when injection = “no”
d
Predicted probability of outcome when injection = “yes”