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Table 4 Unadjusted associations between the predictors of interest and vaginal washing and lubrication in the past month among female sex workers in Tijuana and Ciudad Juarez, Mexico

From: Vaginal washing and lubrication among female sex workers in the Mexico-US border region: implications for the development of vaginal PrEP for HIV prevention

  Vaginal washing Vaginal lubrication
OR 95% CI OR 95% CI
Sociodemographics
 Age (years) 1.04 1.01, 1.06 1.01 0.99, 1.04
 Tijuana study site 4.49 2.70, 7.45 2.15 1.35, 3.43
 Born in same state as study site 0.47 0.29, 0.76 0.47 0.29, 0.74
 Completed secondary school 0.74 0.46, 1.19 0.89 0.56, 1.41
 Married/common-law relationship 0.89 0.53, 1.52 0.96 0.57, 1.61
 Number of children 1.12 0.99, 1.28 1.00 0.88, 1.13
 Average monthly income ≥3500 pesos (~ 172 USD) 0.25 0.15, 0.42 0.67 0.41, 1.12
Substance Use
 Illicit drug use (past month) 1.25 0.77, 2.03 0.89 0.55, 1.42
 Any hazardous alcohol consumption (past 12 months) 0.51 0.31, 0.82 0.67 0.42, 1.06
Sex work characteristics
 Main sex work location identified as the street 3.70 2.26, 6.07 1.69 1.06, 2.71
 Difference in USD earned for condomless VS 1.02 1.00, 1.04 1.00 0.98, 1.02
 Ever forced to have sex or physically abused by a client 0.98 0.60, 1.59 0.96 0.60, 1.55
 Number of clients (past month) 1.00 0.99, 1.01 1.00 0.99, 1.01
 Any drug/alcohol use during sex with clients (past month) 0.79 0.49, 1.28 0.51 0.31, 0.82
 % of VS acts with clients with condoms (past month) 2.43 1.15, 5.16 1.79 0.87, 3.66
Reproductive/sexual health
 Routine gynecological exam (past 6 months) 0.77 0.37, 1.61 0.84 0.42, 1.68
 Contraceptive use other than condoms (past 6 months) 0.41 0.25, 0.66 0.53 0.33, 0.84
 HIV/STI testing (past 6 months) 1.74 1.06, 2.85 1.71 1.04, 2.80
 Current vaginal symptoms 0.71 0.43, 1.19 1.48 0.90, 2.43
 Current pain during VS 1.69 0.83, 3.47 2.24 1.03, 4.87
 Tested positive for an STI 1.03 0.57, 1.88 0.76 0.42, 1.35
Vaginal practices (past month)
 Vaginal lubrication 3.04 1.85, 5.00
 Vaginal washing 3.04 1.85, 5.00
  1. Abbreviations: CI confidence interval, OR odds ratio, STI sexually transmitted infection, USD United States dollar, VS vaginal sex