Factors Associated with Unprotected Anal Intercourse Among Men Who Have Sex with Men: Results from a Respondent Driven Sampling Survey in Nanjing, China, 2008 |
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Authors: | Weiming Tang Xiping Huan Tanmay Mahapatra Songyuan Tang Jianjun Li Hongjing Yan Gengfeng Fu Haitao Yang Jinkou Zhao Roger Detels |
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Affiliation: | 1. Department of Epidemiology, UCLA Fielding School of Public Health, University of California, Los Angeles, 71-267 CHS, S. 650 Charles Young Drive, Los Angeles, CA, 90095-1772, USA 2. Jiangsu Provincial Centre for Disease Control and Prevention, Nanjing, Jiangsu, China 3. Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China 4. Monitoring and Evaluation Unit, The Global Fund to Fight AIDS, Tuberculosis and Malaria, Cheminde Blandonnet 8, 1214, Vernier, Geneva, Switzerland
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Abstract: | Unprotected anal intercourse (UAI) is a well-documented risk factor for acquiring HIV, but not well-studied in China. We studied demographic and behavioral correlates for UAI among men who have sex with men (MSM) in a respondent-driven-sampling (RDS) survey in Nanjing, China. Four hundred and thirty MSM (including ten seeds) participated in this study, rendering an adjusted rate of UAI as 62.3 % (95 % CI 56.4–68.4 %). Adjusted HIV and syphilis prevalence rates were 6.6 % (95 % CI 3.0–10.4) and 12.6 % (95 % CI 8.1–18.3), respectively. HIV- and syphilis-positive cases were more likely to have engaged in UAI. Being unwilling to use condoms, meeting partners in non-conventional venues, having multiple male sex-partners in the past 6 months, having sex with regular and casual male partners in the past 6 months, and consumption of alcohol before sex were all positively associated with UAI. Based on the observed high prevalence of UAI among MSM in Nanjing, we can conclude that implementation of strategies to motivate MSM with high-risk behaviors to use condoms is urgently required in Nanjing. |
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