Table 4.
Factors associated with unprotected anal sex among 260 men who have sex with men
| Odds ratio (95% CI) | Adjusted odds ratioa(95% CI) | |
|---|---|---|
| Background characteristics |
|
|
| Age (per year increase) |
1.02 (0.98–1.05) |
|
| Number of years resident of Tijuana(< 1 year versus ≥ 1 year) |
0.97 (0.37–2.52) |
|
| Education (High school or less versus some college or more) |
0.89 (0.48–1.67) |
|
| Monthly income in pesos (< 20000 versus ≥ 20000 pesos) |
0.58 (0.27–1.26) |
|
| Unemployed (versus employed) |
1.71b (1.04–2.81) |
1.87b (1.06–3.31) |
| Sexual orientation (gay versus other) |
0.99 (0.47–2.08) |
|
| Gender of sex partners in past year (men only versus other) |
2.76 (0.95–7.97) |
|
| Gender of sexual attraction (men only versus other) |
0.67 (0.33–1.37) |
|
| Venues attended to meet male sexual partners in past year |
|
|
| Night club or disco |
1.01 (0.49–2.07) |
|
| Bar |
1.27 (0.69–2.36) |
|
| Café |
0.64 (0.36–1.13) |
|
| Steam bath or sauna |
1.22 (0.71–2.10) |
|
| Adult movie theater |
2.30c (1.23–4.33) |
2.21b (1.09–4.51) |
| Dark roomd, appointment homee,hotel, motel |
1.80b (1.05–3.06) |
|
| Public highway |
0.92 (0.54 - 1.57) |
|
| Gay website |
1.28 (0.72–2.28) |
|
| Internet café, sex shop, booth |
0.89 (0.52–1.50) |
|
| Restroom in public location |
1.38 (0.72–2.66) |
|
| Illicit drugs used before or during sex with male partners in past year |
|
|
| Marijuana |
1.05 (0.54–2.02) |
|
| Poppers |
2.12 (0.83–5.44) |
|
| Amphetamines |
3.05 (0.31–29.7) |
|
| Cocaine |
2.07 (0.61–7.04) |
|
| Heroin |
2.02 (0.18–22.5) |
|
| Ecstasy |
4.20 (0.87–20.2) |
|
| Sexual risk behaviors |
|
|
| Age when first had sex with a man (< 21 years versus ≥ 21 years) |
0.86 (0.43–1.73) |
|
| Number of male sex partners in past year (< 7 versus ≥ 7 male partners) |
1.67 (0.82–3.42) |
|
| Paid a male partner for sex in past year |
1.46 (0.62–3.42) |
|
| Paid by a male partner for sex in the past year |
2.80 (0.97–8.10) |
|
| Had steady male partner in past year |
0.70 (0.42–1.17) |
|
| Had casual male partner in past year |
1.40 (0.84–2.33) |
|
| Used alcohol before or during sex with a male partner in past year |
1.72 (0.97–3.06) |
|
| Used illicit drugs before or during sex with a male partner in past year |
2.81f (1.49–5.30) |
2.43b (1.19–4.98) |
| Diagnosed with a sexually transmitted infection (STI) in past year |
1.97 (0.90–4.31) |
|
| Not tested for HIV in the past year (reference group: had a recent HIV test) | 1.72b (1.05–2.84) | 1.85b (1.05–3.24) |
aValues are provided only for factors that were independently associated with unprotected anal sex in the final multivariate model.
bP < .05.
cP < .01.
dRooms that are completely dark, often attached to bars, where men have sex.
ePrivate residences where individual rooms are rented by the hour for sexual activity.
fP < .001.