Current status of novel psychoactive substance use and factors related to HIV and sexually transmitted diseases among men who have sex with men in Shanxi
Objective To determine the use of novel psychoactive substances by men who have sex with men(MSM)in Shanxi and to explore the association between substance use and HIV and sexually transmitted disease(STD)infection,so as to provide references for HIV/AIDS prevention and control policy making.Methods From September 2022 to October 2023,participants were recruited through face-to-face interviews and online surveys in Jincheng,Linfen,and Changzhi of Shanxi Province.Data analysis was conducted using SPSS 23.0.Univariate analysis was performed using the Pearson chi-square test,while multivariate analysis was conducted using logistic regression.Results A total of 724 valid questionnaires were collected.Out of the total number of respondents,199(27.49％)reported novel psychoactive use,while 56 were HIV positive(7.73％).A total of 126 individuals(17.40％)tested positive for STD,with the following positivity rates for different sexually transmitted infections:syphilis at 6.49％(47 individuals),Chlamydia trachomatis in the genital tract at 8.43％(61 individuals),and Neisseria gonorrhoeae at 4.56％(33 individuals).After adjusting for age,marital status,and educational level,the results of the multivariate logistic regression analysis indicated that MSM who had engaged in commercial homosexual activities,unprotected anal intercourse with same-sex partners,or who had used novel psychoactive substances in the past six months,as well as those who had previously been tested for HIV,had a higher risk of HIV infection.Individuals with educational levels of junior college/bachelor's degree or higher education levels were associated with a lower risk of HIV infection.MSM who engaged in unprotected anal intercourse with same-sex partners,commercial homosexual activities,or used novel psychoactive substances in the past six months were at a higher risk of contracting sexually transmitted infections.Conclusions The prevalence of novel psychoactive substance use among MSM in Shanxi was relatively high,identifying them as a high-risk group for HIV and STD.To address this issue,greater effort should be spent on active prevention and education among MSM;in particular,prevention methods should aim to reduce substance use and increase condom use during sexual intercourse.
men who have sex with men(MSM)new psychoactive substanceHIV infectionsexually transmitted infections(STIs)risk factors
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