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Estimating HIV prevalence and HIV-related risk behaviors among heterosexual women who have multiple sex partners using respondent-driven sampling in a high risk community in South Africa


L. Townsend, Y. Zembe, C. Mathews, et al.

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BACKGROUND:: Repeated surveillance surveys are important for monitoring trends in HIV and risk behaviours over time. In countries most adversely affected by HIV and AIDS, community-level HIV biological and behavioural surveillance surveys (BBSS) are needed among subpopulations who engage in high-risk sexual behaviours. PURPOSE:: To describe the effectiveness of RDS to recruit heterosexual women who have multiple concurrent sexual partnerships; to report HIV prevalence and describe key characteristics among them; and assess whether RDS accessed women not usually recruited during routine sentinel surveillance surveys. PROCEDURES:: We conducted a HIV BBSS using respondent driven sampling among women. Participants completed an audio-computer assisted survey interview (ACASI), voluntarily provided dried blood spots (DBS) for HIV testing and were offered rapid HIV testing. FINDINGS:: The analytical sample comprised 845 women whose mean age was 23.9 years. 6.4% were married; 49.6% lived in informal dwellings; 31.8% reported not have enough money for food. HIV prevalence was 28.8% (CI: 24.3, 33.4). Being between 20-29 years was significantly related to HIV infection. Women who had never attended a public health facility (10.1%) compared to those who had were more likely to be -16-19 years (p=0.008); reported sexual debut at 10-14 years (p=0.044), were more likely to have experienced a symptom of a STI (p=0.031) and to have taken illegal drugs (p=0.007). CONCLUSION:: RDS effectively recruited women who reported two or more male sexual partners in the past three months. HIV prevalence and HIV-related risk behaviours were high among women who have multiple concurrent partners.




Behavior; Women


Created at 2/22/2013 11:35 AM by Davis, Gregory P
Last modified at 2/22/2013 11:35 AM by Davis, Gregory P