Department of Epidemiology and Community Health, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA.
Sex Transm Dis. 2010 Aug;37(8):506-11. doi: 10.1097/OLQ.0b013e3181d707c9.
The HIV epidemic spreads among men who have sex with men (MSM) in China. The objective of this study was to examine and compare HIV/AIDS knowledge and sexual risk for HIV between MSM who engaged in concurrent sexual partnerships and MSM who did not.
A cross-sectional study using respondent driven sampling was conducted among 351 MSM in Shenzhen, China.
About half (49%) of respondents reported having concurrent sexual partnerships during the past 6 months. Among MSM with concurrent sexual partnerships, 62% had only male partners and 38% had both male and female partners. The proportion of inconsistent condom use was 42% among MSM with concurrent partners and 30% among MSM without. These 2 groups reported a similar level of self-perceived risk for HIV. Compared to MSM without concurrent sexual partners, those with such partners were more likely to work in entertainment venues and had a lower level of HIV/AIDS knowledge.
The large number of MSM engaging in concurrent sexual partnerships and the high prevalence of bisexuality could accelerate the spread of HIV to the general population unless effective HIV interventions for MSM are implemented in China.
中国男男性行为者（MSM）中存在 HIV 疫情。本研究旨在调查和比较从事同时性伴侣关系的 MSM 与不从事同时性伴侣关系的 MSM 在 HIV/AIDS 知识和性传播 HIV 风险方面的差异。
在中国深圳，采用了横断面研究，使用了应答者驱动抽样方法，共调查了 351 名 MSM。
约一半（49%）的受访者报告在过去 6 个月中有同时性伴侣关系。在有同时性伴侣关系的 MSM 中，62%的人只有男性伴侣，38%的人既有男性伴侣又有女性伴侣。在有同时性伴侣关系的 MSM 中，不坚持使用安全套的比例为 42%，而在没有同时性伴侣关系的 MSM 中，这一比例为 30%。这两组人报告的自我感知 HIV 风险水平相似。与没有同时性伴侣关系的 MSM 相比，有同时性伴侣关系的 MSM 更有可能在娱乐场所工作，且 HIV/AIDS 知识水平较低。
大量的 MSM 从事同时性伴侣关系，且双性恋的高流行率可能会加速 HIV 向普通人群传播，除非在中国实施有效的 MSM HIV 干预措施。
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