泰安市男男性行为大学生艾滋病感染及相关行为状况

了解泰安市大中专院校大学生男男性行为者(men sho have sex with men,MSM)的艾滋病病毒(HIV)感染状况及其相关危险行为,为制定适宜的健康干预措施提供依据.方法 采用横断面调查研究,对泰安市大中专院校在校MSM人群通过自愿咨询检测(VCT)的方式获得方便样本,采用自填式问卷调查收集人口学特征和行为学信息,并采集血液样本进行HIV、梅毒和单纯疱疹病毒Ⅱ型(HSV-Ⅱ)的血清学检测.结果 共有127例男男性行为者参与研究.性行为角色以“肛交性行为的被插入方”为主的占42.5%.最常用的寻找性伴的方式是网络(89.0%),其中69人通过男同交友软件Blued,占54.3%.有79.4%的被试存在多性伴,近6个月与固定性伴、临时性伴发生无保护肛交的比例分别为60.4%(55/91),50.7%(37/73).最近一次肛交的安全套使用率仅为61.4%,未使用安全套的原因主要是认为和性伴彼此忠诚(18.4%)、身边没有(18.4%)、认为自己不会感染HIV(16.3%).大学生艾滋病知识知晓率为96.1%,但8题全部答对的比例仅为58.3%.大学生HIV感染率为3.1%,4.7%曾感染过梅毒,HSV-Ⅱ血清阳性率为3.1%.单因素分析显示,主要性行为方式以“肛交性行为的插入方”角色为主、使用Blued软件作为寻找性伴的主要方式、与固定性伴发生无保护性行为是HIV感染的危险因素,但Logistic回归分析均无统计学意义.结论 泰安市大中专院校学生MSM艾滋病流行已经显现.急需采取针对性措施提高感染风险意识,改变普遍存在的高危性行为.

Prevalence of HIV and related sexual behaviors among male college students who have sex with men in Taian

Objective To determine the prevalence of HIV and risky sexual behaviors among male college students who have sex with men in Taian.Methods A cross-sectional survey was conducted among MSM college students recruited by respondent-driven sampling (RDS) and voluntary counseling and testing (VCT).Self-administered questionnaires were used to collect social demographic characteristics and HIV/AIDS related risk sexual behaviors.Blood sample was collected to HIV,syphilis and HSV-11 testing.Results A total of 127 MSM students were recruited,63% of them self-identified gay,and 42.5% as female role in the sexual behavior.The most common way to find male sexual partner was the network,especially one of the software "Blued" through which 69 (54.3%) MSM students were recruited.About 79.4% of respondents had more than one male sexual partners.The proportion of unprotected anal intercourse (UAI) was 60.4% (55/91) with regular sex partners and 50.7% (37/73) with casual sex partners,respectively.The rate of condom use in their last homosexual anal intercourse experience was 61.4%,the main reasons for not using condoms included mutual loyalty (18.4%),having no condom at the time (18.4%),and low risk of infection (16.3%).The awareness rate of HIV/AIDS was 96.1%.The prevalence of HIV,syphilis and HSV-Ⅱ was 3.1%,4.7% and 3.1%,respectively.Univariate analysis showed that main sexual role as female,looking for male sexual partners using software "Blued",not using condoms with regular sexual partners were risk factors for HIV infection.Conclusion The HIV/AIDS epidemic has emerged among MSM students in Taian.Comprehensive intervention strategies that address condom promotion and health education need to be tailored to this vulnerable population to prevent HIV infection.