2016
Commercial sex and risk of HIV, syphilis, and herpes simplex virus-2 among men who have sex with men in six Chinese cities
Zheng C, Xu JJ, Hu QH, Yu YQ, Chu ZX, Zhang J, Han XX, Lu L, Wang Z, Fu JH, Chen X, Yan HJ, Jiang YJ, Geng WQ, Vermund SH, Qian HZ, Shang H. Commercial sex and risk of HIV, syphilis, and herpes simplex virus-2 among men who have sex with men in six Chinese cities. BMC Infectious Diseases 2016, 16: 765. PMID: 28003032, PMCID: PMC5178086, DOI: 10.1186/s12879-016-2130-x.Peer-Reviewed Original ResearchConceptsHIV/STIsHigh prevalenceHigh riskSex partnersHIV/STI surveillanceSimplex virus type 2HSV-2 infectionHIV/STISubgroups of MSMSimplex virus 2Male sex partnersCommercial sexRisk of HIVUnprotected anal intercourseVirus type 2Cross-sectional surveyHIV prevalenceSTI surveillanceHSV-2Overall prevalenceAnal intercourseHIVType 2Serological testsGreater risk
2015
Poppers use and risky sexual behaviors among men who have sex with men in Beijing, China
Zhang H, Teng T, Lu H, Zhao Y, Liu H, Yin L, Sun Z, He X, Qian HZ, Ruan Y, Shao Y, Vermund SH. Poppers use and risky sexual behaviors among men who have sex with men in Beijing, China. Drug And Alcohol Dependence 2015, 160: 42-48. PMID: 26796594, PMCID: PMC5321169, DOI: 10.1016/j.drugalcdep.2015.11.037.Peer-Reviewed Original ResearchConceptsHIV infectionAnal intercourseMultivariable logistic regression analysisUnprotected receptive anal intercourseSexual behavioral factorsHigh HIV prevalenceReceptive anal intercourseMultiple male sex partnershipsLogistic regression analysisHIV intervention trialsQuarter of menUnprotected anal intercourseSexual behaviorTypes of drugsHIV testingRisky sexual behaviorHIV prevalenceIntervention trialsBlood samplesYounger ageMale partnersAlcohol useMSMSex partnershipsSafer sex
2014
Efficacy of Peer-Led Interventions to Reduce Unprotected Anal Intercourse among Men Who Have Sex with Men: A Meta-Analysis
Ye S, Yin L, Amico R, Simoni J, Vermund S, Ruan Y, Shao Y, Qian HZ. Efficacy of Peer-Led Interventions to Reduce Unprotected Anal Intercourse among Men Who Have Sex with Men: A Meta-Analysis. PLOS ONE 2014, 9: e90788. PMID: 24614809, PMCID: PMC3948720, DOI: 10.1371/journal.pone.0090788.Peer-Reviewed Original ResearchConceptsPost-intervention studyUnprotected anal intercourseCross-sectional intervention studyPeer-led interventionsStandardized mean differenceIntervention studiesQuasi-experimental studyAnal intercourseHIV prevention interventionsCross-sectional assessmentNon-significant reductionPre-post interventionEffect sizeMore RCTsSubgroup analysisClinical trialsPrevention interventionsEligibility criteriaControl groupElectronic databasesSystematic reviewMeta-AnalysisSexual partnersMean differenceRCTs
2008
Risk Factors for Syphilis and Prevalence of HIV, Hepatitis B and C among Men Who Have Sex with Men in Beijing, China: Implications for HIV Prevention
Ruan Y, Luo F, Jia Y, Li X, Li Q, Liang H, Zhang X, Li D, Shi W, Freeman JM, Vermund SH, Shao Y. Risk Factors for Syphilis and Prevalence of HIV, Hepatitis B and C among Men Who Have Sex with Men in Beijing, China: Implications for HIV Prevention. AIDS And Behavior 2008, 13: 663-670. PMID: 19082879, PMCID: PMC2747785, DOI: 10.1007/s10461-008-9503-0.Peer-Reviewed Original ResearchConceptsMale sex partnersSex partnersHepatitis BHIV prevalenceLifetime male sex partnersCasual male sex partnersPrevalence of HIVUnprotected anal intercourseAlcohol-related interventionsHepatitis CSyphilis infectionCondom promotionRisk factorsHIV preventionBeijing MSMMedian numberSTD controlDrank alcoholAnal intercourseRisk behaviorsPast monthAlcohol usePrevalencePrevention effortsSyphilisPredictors of unprotected sex among men who have sex with men in Beijing, China.
Li X, Shi W, Li D, Ruan Y, Jia Y, Vermund SH, Zhang X, Wang C, Liu Y, Yu M, Xing H, Hong K, Shao Y. Predictors of unprotected sex among men who have sex with men in Beijing, China. The Southeast Asian Journal Of Tropical Medicine And Public Health 2008, 39: 99-108. PMID: 18567448, PMCID: PMC2730761.Peer-Reviewed Original ResearchConceptsUnprotected anal intercourseMale sex partnersSex partnersAnal intercourseMore male sex partnersMale partnersPrevalence of HIVReceptive anal intercourseCasual male partnersRegular male partnersCommunity-based surveyLow monthly incomeCasual sex partnersMale sex workersSyphilis infectionCondom promotionHIV epidemicUnprotected sexHIVSex workersPeer referralMenSexMonthly incomeInfection