2006-2009年重庆市男男性行为人群HIV感染者情况分析

Trend of factors related to AIDS among HIV-infected MSM

目的了解男男性行为人群(man who have sex with men,MSM)人群中HIV感染者的特征及艾滋病相关因素的变化趋势,为MSM人群干预提供针对性的建议。方法对2006-2009年4次横断面调查发现的HIV感染者的资料进行统计分析,比较趋势变化。结果 2006-2009年发现的HIV感染者呈现低龄化,未婚比例、大专及以上文化程度感染者的比例及学生所占比例呈上升的趋势。最近1次与男性发生肛交时安全套使用率由2006年的48.4%上升至2009年的68.0%,最近6个月与男性发生肛交时每次都使用安全套的比例由2006年的17.2%上升至2007年的34.9%(P=0.016),梅毒感染率由2006年的16.3%上升至2009年的27.0%。2006-2009年接受干预服务的比例均低于40%。结论 MSM人群中的HIV感染者呈现低龄化、安全套使用率及接受干预服务比例低,合并梅毒感染率高,急需对MSM人群及其感染者开展更具针对性的干预工作。

Objective To understand the traits of HIV-infected men who had sex with men（MSM） and the trend of factors related to AIDS among MSM,and to provide pertinent suggestions about intervention service for MSM.Method The data of HIV-infected MSM（detected through cross-sectional survey） were collected from 2006 to 2009 and analyzed.The trend of AIDS-related factors was analyzed by Chi-square test.Result The people with HIV/AIDS had increasingly early age from 2006 to 2009,and the proportion of unmarried persons,persons who had received higher education and students was rising.The use rate of condoms during anal sex with men in the last time increased from 48.4% in 2006 to 68.0% in 2009.The persistent use of condoms increased from 17.2% in 2006 to 34.9% in 2007 during the anal sex with men in the past six months.The syphilis infection rate increased from 16.3% in 2006 to 27.0% in 2009.The proportion of MSM that had received intervention service in the last year was below 40%.Conclusion HIV-infected MSM have increasingly early age.The use rate of condoms is low.The proportion of MSM receiving intervention service is low.Syphilis coinfection rate is high among HIV-infected MSM.It is urgent to conduct pertinent intervention service for MSM and HIV-infected MSM.