绵阳市男男性行为者使用rush poppers现状及关联因素

The current situation and associated factors of using rush poppers among men who have sex with man in Mianyang City

目的了解MSM使用rush poppers(Rush)现状,分析关联因素。方法采用“滚雪球”抽样法,对四川省绵阳市MSM使用Rush情况进行问卷调查并进行血清学检测,用Logistics回归模型分析使用Rush的关联因素。结果回收有效问卷1121份,Rush使用率35.1%、近6个月使用率16.9%,不同地区差异有统计学意义(P均<0.001),43.7%因好奇、33.0%因增加刺激、19.5%因影响对疼痛的判断力使用。近6个月使用Rush者89.5%与性伴共用,性角色41.1%为被插入方、27.4%为插入方、31.6%为均可,37.2%发生无保护肛交。近6个月Rush使用者HIV、梅毒阳性率分别为6.8%、9.9%均高于未使用者的1.9%、4.1%(P均<0.05)。多因素分析结果,外地居住,社区朋友人数≥10,近1周肛交次数越多,近6个月肛交人数越多、固定性伴肛交、偶遇性伴肛交、无保护肛交,HIV感染是使用Rush的危险因素,年龄越大、大专及以上文化是使用Rush的保护因素(P均<0.05)。结论绵阳市MSM中Rush使用率较高,其使用增加了高危性行为和HIV感染风险。应加强其流通领域监管和针对性健康教育。

Objective To explore the current state of the use of Rush poppers(Rush) by men who have sex with men(MSM) and related associated factors.Methods "Snowball" sampling method was used to collect information on the MSM population in Mianyang City,Sichuan Province.Rush,related questionnaires,serological testing,and the logistics regression model were used to analyze the influence factors of Rush use.Results There were 1121 valid questionnaires;35.1% were for Rush use,and 16.9% were used in the last six months.Statistically significant differences appeared between regions(P <0.001),43.7% due to curiosity,33.0% due to increased stimulation,19.5% due to reduced anal pain use.In the last six months,89.5% of them shared Rush with their sexual partners,including 41.1% of sexual roles inserted,27.4% inserted,31.6% were both and 37.2% without protection.In the past six months,the positive rates of HIV and syphilis among Rush users were 6.8% and 9.9%,both higher than 1.9% and 4.1% seen in the non-users,respectively.(P<0.05) Multi-factor analysis showed that factors including the number of foreign residents,community friends ≥10,many anal sex experiences in the last week and the last six months,fixed partner,occasional anal sex,unprotected anal sex,HIV infection were the use of Rush risk factors,the older,college and above culture was the use of Rush protection factors(P<0.05).Conclusions MSM Rush in Mianyang City had a higher utilization rate,increasing the risk of high-risk sex and HIV infection.Regulation and targeted health education in the field of circulation should be strengthened.