Table 2.

Socio-demographic, behavioral, risk environment, and HIV/STI variables associated with meeting FSWs in a nightlife venue^† among male clients in Tijuana, 2008 (N = 399)

Measure	Odds Ratio (OR)	95% Confidence Interval (CI)	Adjusted OR (95% CI)
Socio-demographic characteristics
Hispanic/Latino	1.10	0.63-1.92
Lives in the US	0.97	0.61-1.53
Married/common law	1.23	0.77-1.96
Years of education
1 unit increase	1.11 ^**	1.04-1.19	1.14^* (1.06, 1.22**)
5 unit increase	1.72 ^**	1.23-2.41
Employed	1.26	0.80-2.01

Sexual behavior and substance use
Had unprotected vaginal or anal sex with FSW^†	2.27 ^***	1.40-3.67
Has a wife/steady female sex partner	1.73 ^*	1.05-2.83
Had other casual female sex partners^†	1.81 ^*	1.08-3.01
Has ≥ 5 drinks when drinking	3.87 ^***	2.19-6.85	4.13^* (2.30, 7.42**)
How often drunk during sex with FSW^†
Fairly/Very often	3.12 ^**	1.54-6.30
Never/Once in a while	Ref
How often FSW drunk during sex^†
Fairly/Very often	3.24 ^**	1.43-7.35
Never/Once in a while	Ref

Risk Environment
Believes most FSWs are under constant medical supervision
Strongly Disagree	Ref
Agree	1.18	0.29-4.73
Disagree	1.53	0.38-6.18
Strongly Agree	1.29	0.09-17.96
Perceived risk of contracting HIV/AIDS from a FSW in Tijuana
Not very likely	Ref
Fairly likely	0.51	0.23-1.12
Somewhat likely	0.64	0.33-1.25
Very likely	1.11	0.53-2.28
Had unprotected sex with a FSW because no condoms were available¹	1.92 ^*	1.03-3.59
Had unprotected sex with a FSW because FSW accepted more money¹	1.86	1.00-3.49
Ever offered a FSW in Tijuana extra money for unprotected sex	2.74 ^*	1.26-5.97	2.65^* (1.19, 5.93)
Works at a bar	2.35	0.96-5.72

STI/HIV Status
Self reported STI^†	2.31 ^*	1.05-5.10

NOTE: Variables in the adjusted model have no significant interaction between them. Bolded figures are statistically significant. Certain percentages may reflect denominators smaller than the n value given in the column head.

Among clients who reported unprotected sex with a FSW in Tijuana in the past 4 months (n = 222);

^†

Refers to past 4 months;

^***

p<0.001,

^**

p<0.01,

p<0.05