杭州市男男性接触人群艾滋病病毒感染现状及感染者特征分析

Analysis of HIV infection and sexual behavior among MSM in Hangzhou

目的了解杭州市男男性接触者(MSM)艾滋病病毒感染情况,并对感染者的社会行为特征进行分析,为艾滋病健康教育及高危行为干预计划的改进和完善提供依据。方法对2009-2011年杭州市614名MSM人群进行问卷调查,收集社会人口学和危险行为资料,采集外周静脉血进行HIV抗体检测。结果本组在614名MSM人群中共检出HIV感染者65例,HIV抗体阳性率为10.59%;HIV感染者以未婚、低龄化、高学历为主,艾滋病知识总知晓率为84.13%。65例HIV感染者均在最近半年与男性发生过肛交性行为,与男性最近一次性行为安全套使用率为62.17%;最近半年与异性发生性行为者20人,与异性发生性行为最近一次安全套使用率为33.25%。结论杭州市MSM人群HIV感染率较高,HIV感染者存在认知与行为分离、无保护男男性行为现象,应加强对MSM人群及其感染者的健康教育和行为干预。

Objective The study was conducted to investigate the HIV infection among MSM in Hangzhou as well as the sexual behavior of HIV-positive MSM in order to provide the basis for the improvement of AIDS health education and intervention.Methods A total of 614 MSM were surveyed from 2009 to 2011 in Hangzhou city.They were all asked to finish the questionnaire.Data of socio-demographic characteristics and risk behaviors were collected and analyzed.Also blood samples were collected for HIV antibody detection.Results Out of 614 MSM,65 turned out to be antibody positive with the positive rate of 10.59%.The majority of HIV-infected MSM were young-aged,unmarried and well-educated with the overall AIDS awareness rate of 84.13%.They all had anal sex with men and 20 also had sex with women in the past six months and only 62.17% and 33.25% used condoms during the most recent sexual intercourse.Conclusions The positive rate of HIV antibody is relatively high among MSM in Hangzhou.The unprotected sexual behavior of HIV infected MSM is common indicating the disjunction with their cognition.Thus comprehensive health education and behavior intervention among MSM should be strengthened.