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Table 4 Factors associated with unprotected anal sex among 260 men who have sex with men

From: Correlates of unprotected anal sex among men who have sex with men in Tijuana, Mexico

  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)
  1. aValues are provided only for factors that were independently associated with unprotected anal sex in the final multivariate model.
  2. b P < .05.
  3. c P < .01.
  4. dRooms that are completely dark, often attached to bars, where men have sex.
  5. ePrivate residences where individual rooms are rented by the hour for sexual activity.
  6. f P < .001.