某市1000例男男性接触人群HIV感染高危行为及感染现状调查

Status of high risk behavior and infection of HIV/AIDS among 1000 men who have sex with men in a city

目的了解某市男男性接触者(men who have sex with men,MSM)HIV感染高危行为及感染现状。方法采用"滚雪球"的方式,由调查员在调查对象知情并同意的情况下对MSM进行面对面的问卷调查,并采集静脉血样进行HIV检测。结果共调查1000例,年龄(27.8±9.1)岁。UNGASS指标知晓率为43.9%。78.6%的调查对象最近6个月与同性有过肛交性行为,其中每次都使用安全套的比例为31.8%。8.0%的调查对象最近6个月有过同性商业性行为。检测HIV阳性率为10.4%。结论HIV已在该地区MSM人群中局部流行,并有向一般人群扩散的危险,同时MSM人群中高危行为普遍存在,急需开展相关干预措施。

Objective To survey the high risk behavior and infection of HIV/AIDS among men who have sex with men （MSM） and provide scientific evidence for HIV/AIDS prevention and control. Methods MSM were sampled by snowball sampling method and were interviewed by well trained investigators face to face under the informed consent. Their venous blood samples were collected for HIV seropositivity rate. Results A total of 1000 MSM, averagely aged （27.8 ± 9.1 ） years, were interviewed, among whom 43.9% perceive AIDS knowledge. 78.6% had anal intercourse with male partners, 31.8% of whom always used condom in the past 6 months. 8.0% participants had commercial sex with men in the past 6 months. The prevalence of HIV in the surveyed subjects was 10.4%. Conclusion Potential risk of HIV epidemic threatens local MSM who spread the risk to general population. High risk behavior is ubiquitous among MSM. It is imperative to carry out targeted interventions among MSM.