Variable | Tijuana (n = 284) | Ciudad Juarez (n = 300) | Total (n = 584) | p |
---|---|---|---|---|
Sociodemographics | ||||
Age (years) | 34(28,41) | 33(27,39) | 33(27,40) | .11 |
# of years of education completed | 8(6,10) | 6(4,8) | 6(5,9) | <.001 |
Speaks English | 118(41.5%) | 39(13.0%) | 157(26.9%) | <.001 |
Has a spouse or steady partner | 107(37.7%) | 118(39.3%) | 225(38.5%) | .68 |
Earns average of > = 350 USD** | 96(34.3%) | 180(60.0%) | 276(47.6%) | <.001 |
# years lived in the city of interview | 16(8,29) | 26(18,34) | 22(10,33) | <.001 |
Injection Drug Use History and Risks | ||||
Age when first injected drugs | 20(17,24) | 20(17,27) | 20(17,26) | .47 |
Injected > = once per day** | 275(96.8%) | 274(91.3%) | 549(94.0%) | .005 |
Obtained syringes from needle exchange** | 26(9.2%) | 34(11.3%) | 60(10.3%) | .39 |
Syringe confiscated by police in exchange for not being arrested** | 78(27.7%) | 85(28.3%) | 163(28.0%) | .86 |
Often/always injected drugs with a client** | 134(47.3%) | 52(17.3%) | 186(31.9%) | <.001 |
Receptive needle sharing** | 271(95.8%) | 290(96.7%) | 561(96.2%) | .57 |
Divided drugs with used syringe** | 178(63.3%) | 222(74.0%) | 400(68.8%) | .006 |
Used a cooker after someone else had used it** | 274(97.2%) | 287(95.7%) | 561(96.4%) | .33 |
Used a cotton filter after someone else had used it** | 256(90.5%) | 257(85.7%) | 513(88.0%) | .08 |
Shared rinse water | 266(94.7%) | 283(94.3%) | 549(94.5%) | .86 |
Injection Risk Index Score | 3.6(2.4,4.2) | 3.2(2.4,4.0) | 3.6(2.4,4.2) | .00 |
Self-efficacy score for safer drug injection | 2.0(2.0,2.8) | 2.0(1.8,2.7) | 2.0(1.8,2.7) | <.001 |
Sex Work History and Risks | ||||
Age when began to work regularly as a FSW | 20(17,25) | 19(16,25) | 19(16,25) | .02 |
# Unprotected vaginal/anal sex acts with spouse/steady partner** | 9(2,30) | 10(4,30) | 9(3,30) | .42 |
Income earned from sex (USD)** | 770( 305,1500) | 1140( 540,1896) | 960( 420,1800) | <.001 |
# male clients** | 15(6,30) | 68(30,104) | 30(10,80) | <.001 |
# vaginal/anal sex acts with clients** | 34(12,60) | 84(40,127) | 51(20,101) | <.001 |
# unprotected vaginal or anal sex acts with clients** | 25(5,56) | 33(12,65) | 30(9,60) | <.001 |
Self-efficacy for condom use score | 3.0( 2.6,3.0) | 3.0( 2.6,3.0) | 3.0( 2.6,3.0) | .82 |
Amount earned per vaginal sex act without condom (USD) | 25(20,35) | 15(10,20) | 20(15,30) | <.001 |
Arrested in the past 6 months | 115(40.9%) | 147(49.0%) | 262(45.1%) | .05 |
HIV/STI Services and Laboratory Test Results | ||||
Ever had an HIV test | 144(50.9%) | 148(49.3%) | 292(50.1%) | .71 |
Has seen more access to condoms* | 113(42.2%) | 52(17.3%) | 165(29.0%) | <.001 |
Has seen more access to sterile syringes* | 116(43.0%) | 48(16.1%) | 164(28.8%) | <.001 |
Reports ‘easy access’ to sterile syringes | 238(88.5%) | 210(70.7%) | 448(79.2%) | <.001 |
Tested positive for syphilis | 46(16.2%) | 96(32.7%) | 142(24.6%) | <.001 |
Syphilis titers > =1:8, among lifetime syphilis cases | 23(50.0%) | 26(26.8%) | 49(34.3%) | .006 |
Tested positive for gonorrhea | 5(1.8%) | 8(2.7%) | 13(2.2%) | .46 |
Tested positive for Chlamydia | 28(9.9%) | 42(14.0%) | 70(12.0%) | .12 |
Tested positive for trichomonas | 102(35.9%) | 94(31.3%) | 196(33.6%) | .24 |
Tested positive for bacterial vaginosis | 70(24.6%) | 158(52.7%) | 228(39.0%) | <.001 |