Table 3.
RDS-adjusted Crude and Adjusted Odds Ratios showing factors associated with having ever injected with someone from the US.
| Univariable Models | Multivariable Model (n=1001) |
||||
|---|---|---|---|---|---|
| Odds Ratio (OR) |
95% Confidence Interval (C.I.) |
Adjusted Odds Ratio (AOR) |
95% Confidence Interval (C.I.) |
||
| Demographics | |||||
| Race: | |||||
| Hispanic/Latino* | 0.72 | 0.41, 1.27 | --- | ||
| Indigenous* | 0.79 | 0.24, 2.65 | --- | ||
| White* | 1.01 | 0.12, 8.50 | --- | ||
| Education (middle school vs. < middle school) |
3.25 | 1.82, 5.82 | 2.91 | 1.52, 5.91 | |
| Speak English | 4.26 | 2.52, 7.22 | 3.24 | 1.96, 5.36 | |
| Age (in years) | 1.06 | 1.03, 1.08 | 1.10 | 1.07, 1.14 | |
| Age at first injection (in years) | 0.93 | 0.89, 0.96 | 0.90 | 0.86, 0.94 | |
| Male | 2.79 | 1.16, 6.70 | --- | ||
| HIV: antibody positive | 6.84 | 1.78, 26.24 | --- | ||
| Syphilis: titers ≥ 1:8 | 0.74 | 0.38, 1.46 | --- | ||
| TB: IGRA positive | 0.68 | 0.42, 1.09 | --- | ||
| Homeless | 1.81 | 0.90, 3.61 | 2.61 | 1.27, 5.39 | |
| Lived in Tijuana for whole life | 0.54 | 0.31, 0.93 | --- | ||
| Ever been in jail, prison, adult detention | 16.17 | 6.23, 42.00 | 11.82 | 5.22, 26.77 | |
| Drug Use & Injection Risk Behavior | |||||
| Distributive syringe sharing (past 6 months) | 1.07 | 0.66. 1.71 | --- | ||
| Receptive syringe sharing (past 6 months) | 1.15 | 0.72, 1.85 | --- | ||
| Injects at least daily | 0.76 | 0.38, 1.54 | --- | ||
| Usually injects with other people | 0.82 | 0.50, 1.36 | --- | ||
| Drug most frequently injected in past 6 months: | |||||
| Heroin | 0.96 | 0.58, 1.61 | --- | ||
| Heroin & methamphetamine | 0.98 | 0.58, 1.68 | --- | ||
*
reference group is all others