Group sex behavior and related influencing factors among men who have sex with men in Shandong Province
Objective To evaluate group sex behavior and related influencing factors among men who have sex with men(MSM)and provide a reference for formulating targeted strategies for HIV/AIDS prevention and control.Methods MSM were recruited in six cities in Shandong Province from April to July 2022.A face-to-face questionnaire was implemented to collect demographic characteristics,and behaviors of the high-risk population.Blood specimens were collected for HIV and syphilis antibodies detection.Results A total of 2 334 MSM were included in the study with the following characteristics:age,31.2±9.7 years;unmarried or divorced,1 773(76.0％);and with undergraduate degree or higher,1 454(62.3％).Of all participants,43.6％(n=l 018)self-identified as having no or low risk of HIV infection,and 16.0％(n=373)had used synthetic drugs.HIV and syphilis antibody positive rates were 3.4％(n=80)and 4.4％(n=103),respectively.A total of 19.7％(n=459)had group sex,and 51.2％(n=1 196)had consistently used condoms during homosexual intercourse in the recent 6 months.On multivariate Logistic regression analysis,MSM who had group sex behaviors in the past 6 months were more likely to be unmarried,divorced,or widowed(OR=1.45,95％CI:1.04-2.04),registered residence in another province(OR=1.43,95％CI:1.02-2.00),the main partner of anal sex was a commercial or temporary partner(OR=3.32,95％CI:2.13-5.20;OR=1.53,95％CI:1.20-1.97),had unprotected anal sex in the last 6 months(OR=1.35,95％CI:1.27-1.44),ever used synthetic drugs(OR=1.58,95％CI:1.44-1.76)and had suffered from sexually transmitted diseases in the previous year(OR=2.17,95％CI:1.54-3.03).Conclusions The proportion of MSM in Shandong Province who engage in group sexual activities is relatively high,indicating a broad presence of high-risk behaviors.It is important to strengthen surveillance and effective intervention programs for MSM who had group sex.
HIVmen who have sex with men(MSM)group sexhigh-risk behavior
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