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Abstract



Social and sexual network characteristics are associated with HIV risk among men who have sex with men (MSM) in Shanghai, China

K. Choi1, Z. Ning2, S. Gregorich1, Q. Pan2

Background: Social and sexual network characteristics are important factors affecting HIV risk. However, little is known about their role in determining risk among MSM in China.


Methods: We recruited 477 men in Shanghai between 2004 and 2005. We administered a face-to-face questionnaire and provided counseling and testing for HIV and syphilis. The questionnaire asked about “contact networks” (up to 5 adults with whom respondents had most often spent free time in the past six months) and “conversation networks” (up to 5 adults with whom respondents had most often discussed important matters in the past six months). It also asked about “male sex partner networks” (the five most recent male partners with whom respondents had had anal sex in the past six months) and “female sex partner networks” (the five most recent female partners with whom respondents had had anal or vaginal sex in the past six months).


Results: Prevalence of HIV and syphilis was 1.47% (95% CI = 0.59 - 3.01) and 13.47% (95% CI = 10.53 - 16.88), respectively. The mean age of participants was 28 (range 18-56); 74% had no college education; 13% were currently married; and 57% self-identified as gay and 38% as bisexual. 62% reported unprotected anal or vaginal intercourse in the past six months. The independent factors associated with syphilis infection were high perceived risk for HIV, having a steady male sex partner, having greater than 50% of contact network members to whom respondents felt close, and an overlap between contact/conversation and male/female sex partner networks. Size of male sex partner networks and contact/conversation and male/female sex partner network overlap were independently associated with unprotected anal/vaginal sex.

Conclusions: The significant association of social and sexual network characteristics on syphilis infection and unprotected sex underscores the need to develop network-based interventions to reduce HIV-related risk among MSM in China.





AIDS 2006 - XVI International AIDS Conference
Abstract no. TUPE0470


Suggested Citation
"K.Choi, et al. Social and sexual network characteristics are associated with HIV risk among men who have sex with men (MSM) in Shanghai, China. : AIDS 2006 - XVI International AIDS Conference: Abstract no. TUPE0470"