Harbin Medical University, Harbin, China, Heilongjiang Provincial Center for Disease Control and Prevention, Harbin, China.
Int J Epidemiol. 2012 Apr;41(2):423-32. doi: 10.1093/ije/dyr182. Epub 2011 Dec 2.
To monitor the prevalence of HIV and syphilis as well as behaviours, a sentinel site for men who have sex with men was established in Harbin in 2002. With additional funding, the sentinel surveillance evolved into annual cross-sectional surveys since 2006.
Behavioural and serological data collected in five consecutive cross-sectional surveys were analysed. SPSS 13.0 was applied to compare prevalence of HIV and syphilis as well as behavioural variables over time by demographic variables, bivariate and multivariate analysis.
The prevalence of HIV and syphilis increased from 1.0% in 2006 to 7.5% in 2010 and from 9.2% in 2006 to 22.4% in 2009, respectively, whereas the rate of unprotected anal intercourse decreased from 61.3% in 2006 to 47.1% in 2010. Syphilis positivity and HIV infection are independently associated with each other across years. The rate of unprotected anal sex remains high although it has decreased over the years.
Findings support an increasing prevalence of HIV and syphilis among men who have sex with men in Harbin. Targeted behavioural intervention and syphilis treatment are urgently needed to prevent the epidemic from growing.
为了监测艾滋病毒和梅毒的流行情况以及行为，2002 年在哈尔滨设立了一个男男性行为者哨点。自 2006 年以来，随着额外资金的投入，哨点监测已发展成为年度横断面调查。
对连续五次横断面调查中收集的行为和血清学数据进行分析。采用 SPSS 13.0 按人口统计学变量、单变量和多变量分析比较不同时间点艾滋病毒和梅毒的流行率以及行为变量。
艾滋病毒和梅毒的流行率分别从 2006 年的 1.0%上升到 2010 年的 7.5%和从 2006 年的 9.2%上升到 2009 年的 22.4%，而无保护肛交的比例从 2006 年的 61.3%下降到 2010 年的 47.1%。梅毒阳性和 HIV 感染在各年均相互独立相关。尽管近年来无保护肛交的比例有所下降，但仍居高不下。
研究结果支持哈尔滨男男性行为者中艾滋病毒和梅毒的流行率不断上升。迫切需要有针对性的行为干预和梅毒治疗，以防止疫情进一步蔓延。
