绵阳市男男性行为者定期HIV检测现状及影响因素分析

Analysis of current situation of HIV test and its influencing factors among men who have sex with men in Mianyang of China

目的了解男男性行为者(men who have sex with men,MSM)定期艾滋病病毒(human immunodeficiency virus,HIV)检测现状,分析影响因素。方法采用滚雪球抽样法,对四川省绵阳市MSM进行自行填写问卷的匿名行为学调查及HIV、梅毒检测,用χ2检验,多因素logistic回归进行数据分析。结果共招募调查对象1 208人,调查问卷合格1 172人,合格率97.0%。其中,59.9%(702/1 172)定期进行HIV检测。定期检测与否HIV抗体阳性率分别为3.5%(23/654)和9.8%(51/518)(χ2=19.527,P<0.05),梅毒抗体阳性率分别为8.5%(37/437)和4.7%(19/401)(χ2=4.662,P<0.05)。多因素分析结果显示:本地居住时间、艾滋病知识、目前生活需求的排位、近1年接受安全套宣传发放、近1年接受同伴教育、近1年诊断过性病、近1周肛交次数、近6个月肛交人数、酒吧型性伴、网络型性伴是定期HIV检测的独立影响因素(P均<0.05)。结论 MSM定期HIV检测率仍待提高,定期检测提高了感染者的及时发现,艾滋病知识、预防服务对定期HIV检测有促进作用。肛交频率、数量与定期检测呈负相关,降低了检测的应有效应,检测的促进应针对亚群特性。

Objective To study the current situation of the human immunodeficiency virus（HIV）test and its influencing factors among the men who have sex with men（MSM）in Mianyang city of China. Methods The snowball sampling method was used to fill in the questionnaire by anonymous behavioral science investigation and test HIV,syphilis among the MSM population in Mianyang City of China.Data were analyzed byχ2 test and multiple logistic regression analysis. Results A total of 1 172 cases were recruited in the study with59.9% being tested HIV regularly.According to the compliance to HIV test（follow regular schedule or not）,the positive rate of HIV was 3.5%（23/654 with regular test）and 9.8%（51/518 without regular test）,respectively（χ2=19.527,P 0.05）,and the positive rate of syphilis was 8.5%（37/437）and 4.7%（19/401）,respectively（χ2=4.662,P0.05）.Multiple factor analysis showed that the length of residence at Mianyang city,AIDS knowledge,level for daily life needs,acceptance of condom and education,acceptance of peer education,being diagnosed with sexually transmitted diseases,frequency of anal sex within the last week,number of anal sex partners,bar sexual partners,online sexual partners were the independent factors affecting of the compliance to regular HIV test. Conclusions Regular HIV detection in MSM population needs to be improved.Regular test can improve the detection of infected person on time.The knowledge of HIV and preventive service showed positive increasing the compliance to regular HIV testing.The frequency and number of anal sex partners were negatively correlated with the compliance to regular testing.