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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Sex Transm Dis. 2010 May;37(5):319–324. doi: 10.1097/OLQ.0b013e3181c5334f

Table 2.

Factors associated with recent unprotected sex with FSWs in Tijuana, Mexico

Variable Odds Ratio 95% Confidence Interval
Age 1.02 1.00 – 1.04
Years of education 0.93 0.87 – 0.99
Speaks Spanish 2.22 1.17 – 4.19
Has children 1.88 1.23 – 2.87
Married/common-law 1.56 1.04 – 2.33
Bisexual 1.86 1.00 – 3.45
Heterosexual 0.54 0.29 – 1.00
Living with partner/spouse 1.56 0.99 – 2.46
Unemployed 1.48 0.98 – 2.22
Male sex partner 3.50 1.84 – 6.65
Visits the same FSW 2.25 1.47 – 3.43
Casual partner other than FSW 1.47 0.97 – 2.23
Age at first sex with FSW 0.96 0.94 – 0.99
No. yrs visiting FSWs 1.03 1.01 – 1.05
No. times sex with FSW, past yr 1.01 1.00 – 1.01
Client was high during sex with FSW 3.20 2.06 – 4.97
Client was drunk during sex with FSW 1.79 1.19 – 2.68
Injected any drug 2.33 1.45 – 3.74
Ever used methamphetamine 2.43 1.59 – 3.71
Ever used any drug 2.14 1.13 – 4.05
Ever used heroin 1.83 1.21 – 2.77
Ever used cocaine 1.44 0.97 – 2.15
Ever been in substance abuse treatment 1.84 1.11 – 3.07
Done time in jail/prison 1.77 1.19 – 2.65
Victimized by a FSW or pimp in Tijuana 2.05 1.04 – 4.04
No. times had an STI 1.21 1.06 – 1.37
Any self reported STI or symptoms 1.90 1.06 – 3.39

Refers to past 4 months