Jacqueline Duncan, Sharon Weir, Lovette Byfield, Carol Jones Cooper, Sharlene Jarrett and J Peter Figueroa
Background: Prevalence of sexually transmitted infections (STI) and risk behaviours among street and establishment-based sex workers (SW) were compared.
Method: Between August and November 2008, face to face interviews and testing for sexually transmitted infections (STI) were conducted among Jamaican SW recruited by convenience and snowball sampling.
Results: Forty-five street-based SW (SBSW) and 231 establishment-based SW (EBSW) were recruited. STI Prevalence was: HIV 4.9%, syphilis 6.2%, gonorrhea 12.7%, Chlamydia trachomatis 23.6%, and Trichomonas vaginalis 35.5%. 56.1% SW had at least one STI and STI prevalence was similar for both groups. Condom use with paying partners was >90% but lower with non-paying partners (33.3% SBSW and 20.8% EBSW, p = 0.166). Streetbased SW had more partners, initiated sex at an earlier age, operated in fewer parishes, and were more likely to have been exposed to prevention interventions. Daily alcohol, marijuana, and ecstasy use were higher among EBSW compared to SBSW (54.6 vs. 24.4%, p<0.001; 63.2% vs. 46.7%, p=0.029; 34.6% vs. 6.7%, p<0.001, respectively).
Conclusion: Prevention programmes targeting key populations such as SW must address the different risk profiles of sub-populations. Inclusion of strategies to address substance use is critical for effective STI prevention among Jamaican SW.
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