Baseline characteristics | N(%)bor Median (IQR)c | Unadjusted risk ratio estimate | 95 % Confidence interval |
---|---|---|---|
Socio-demographics | |||
Age (per 10 years)** | 3.2 (2.6–3.9) | 1.10 | 1.06–1.13 |
Education (in school years completed)** | 6 (4–8) | 0.95 | 0.94–0.96 |
Born in study location (vs. migrant)* | 361 (39 %) | 0.94 | 0.88–1.01 |
Currently resides in Tijuana (vs. Ciudad Juarez)** | 474 (51 %) | 1.17 | 1.10–1.25 |
Duration residing in study location (in years) | 13 (6–26) | 1.00 | 1.00–1.00 |
Speaks some English** | 237 (26 %) | 0.87 | 0.81–0.95 |
Sex Work Characteristics & Behaviors | |||
Experience in sex work (in years) | 4 (2–10) | 1.00 | 1.00–1.01 |
Registered with Tijuana Municipal Health Services (Tijuana only) * | 181 (44 %) | 0.91 | 0.83–1.01 |
All clients are Mexicans** | 267 (29 %) | 1.09 | 1.02–1.17 |
Has clients from the US** | 634 (69 %) | 0.91 | 0.85–0.97 |
Street worker | 512 (55 %) | 0.96 | 0.90–1.03 |
Dance hostess | 196 (21 %) | 1.06 | 0.98–1.15 |
Bar maid | 144 (16 %) | 1.03 | 0.95–1.12 |
Brothel worker | 24 (3 %) | 0.88 | 0.69–1.11 |
Often/always uses condoms for vaginal sex with male clients (past month)** | 399 (43 %) | 0.85 | 0.79–0.91 |
Any positive STI diagnosis (past six months)** | 340 (37 %) | 1.09 | 1.02–1.16 |
Has had prior HIV testing** | 471 (51 %) | 0.92 | 0.86–0.98 |
HIV positive | 55 (6 %) | 1.11 | 0.97–1.26 |
Counseling past six months** | 73 (8 %) | 0.82 | 0.73–0.92 |
Drug Use Behaviors | |||
Ever injected drugs (past six months) | 124 (13 %) | 0.94 | 0.85–1.04 |
Used illegal drugs before/during sex (past month)* | 297 (32 %) | 0.93 | 0.87–1.00 |
Had an IDU partner (past month) | 194 (21 %) | 0.97 | 0.90–1.06 |