Meng Ji, Yanmeng Liu, Mengdan Zhao, Ziqing Lyu, Boren Zhang, Xin Luo, Yanlin Li, Yin Zhong
Use of Machine Learning Algorithms to Predict the Understandability of Health Education Materials: Development and Evaluation Study
JMIR medical informatics
recent years increasing use sexrelated substances known chemsex facilitate intensify prolong sexual experience men sex men phenomenon poses public health problem increasing risk sexually transmitted infections stis mental disorders primary aim study delve correlation substance use sexual health specifically examining association different substances used risk sexually transmitted infections stis context chemsex spain observational descriptive crosssectional study conducted among 563 spanish participants january april 2023 nonprobabilistic purposive sampling used investigators researchers administered questionnaire men sex men use substances especially sexual sphere autonomous communities spain 147 reported practiced slamsex last year 1794 diagnosed sexually transmitted infection previous 6 months 21 prep treatment main stis gonorrhea p 0001 chlamydia p 0001 genital herpes p 0020 syphilis p 0001 637 used methamphetamines main drug practice chemsex chemsex spain linked high prevalence stis especially gonorrhea chlamydia even among prep treatment use various drugs chemsex amyl nitrite ghb ecstasy others correlates higher rates stis highlighting need interventions reduce risk harm drugs associated slamsex include ketamine mephedrone methamphetamine underscoring importance addressing risk behaviors associated activity study shows chemsex appears associated high prevalence among men sex men use multiple substances sexual context particularly exposed sexually transmitted infections stis indicating particular need sti prevention care group