天津市青年学生男男性行为者新型毒品使用现状及影响因素分析

  目的  了解天津市青年学生男男性行为者(men who have sex with men，MSM)的基本特征、性行为情况以及新型毒品的使用情况，并探究使用新型毒品青年学生MSM的特征，为高校艾滋病防控相关政策制定提供参考依据。  方法  于2018年1月1日至12月31日，在天津市通过滚雪球抽样的方式在同性浴池、同性酒吧和社交软件等途径招募青年学生MSM。通过面对面访谈的方式与参与者沟通。通过调查问卷收集826名参与者基本人口学信息、性行为情况、新型毒品使用等信息。使用Logistic回归分析青年学生MSM中新型毒品使用者的特征。  结果  经实验室确证的HIV感染者32人，总体感染率为3.87%。其中新型毒品使用者为371人(44.92%)。Rush是使用率最高(98.65%)的新型毒品。在使用新型毒品的青年学生MSM中，306人(82.48%)使用过多种毒品，65人(17.52%)仅使用过一种毒品。多种毒品使用者的HIV感染率(16.92%)高于单一毒品使用者(4.57%)。年龄、首次性行为年龄、户籍、性取向、教育程度、性伴寻找方式、无保护性肛交和HIV检测史对青年学生MSM新型毒品使用影响均有统计学意义(OR值分别为3.70，5.51，0.51，0.60，4.64，0.40，0.52，1.98，2.29，P值均 < 0.05)。  结论  天津市青年学生男男性行为者中新型毒品使用率偏高。相关部门应加强高校禁毒防艾宣传，提高青年学生性健康意识，建立长效的HIV和毒品预防机制。

Recreational new drug use and influencing factors among young men who have sex with men in Tianjin

  Objective  To understand the basic characteristics, sexual behavior and the use of recreational new drugs of young men who have sex with men (MSM) in Tianjin, and to explore the characteristics of young MSM who use recreational drugs, so as to provide reference for the policy making of HIV/AIDS prevention and control in universities.  Methods  From January 1, 2018, solstice to December 31, 2018, participants were recruited in the bathrooms, bars and social network sites in Tianjin by snowball sampling. The basic demographic information, sexual behavior and recreational drug use of the participants were collected through face-to-face interviews and questionnaires. Logistic regression was used to analyzed the characteristic differences drug users and non-users among young MSM.  Results  A total of 826 young MSM were included in the study, 32 were infected with HIV, and the overall prevalence rate was 3.87%. Totally 371 (44.92%) were drug users. Rush Poppers were the most common used drug (98.65%). Of the young MSM using new drugs, 306 (82.48%) multiple drugs were used, 65 people (17.52%) only one drug has been used. Among new drug users, multiple drug users had higher HIV prevalence rate (16.92%) than single drug users (4.57%). There were statistically significant differences between drug users and non-users in age, age of first sexual behavior, household registration, sexual orientation, education level, sexual partners seeking routes, unprotected anal intercourse and HIV testing history(OR=3.70, 5.51, 0.51, 0.60, 4.64, 0.40, 0.52, 1.98, 2.29, P < 0.05).  Conclusion  The utilization rate of recreational drugs among young MSM in Tianjin was high. Relevant departments should strengthen the propaganda of recreational drugs and HIV prevention among college students, improve the sexual health awareness of young MSM, and establish a long-term HIV and recreational drug prevention system.