2021
Sexually Transmitted Infections in the U.S. Military: A Sexual Health Paradigm to Address Risk Behaviors, Unintended Pregnancy, Alcohol Use, and Sexual Trauma
Boyer CB, Gaydos CA, Geller AB, Garges EC, Vermund SH. Sexually Transmitted Infections in the U.S. Military: A Sexual Health Paradigm to Address Risk Behaviors, Unintended Pregnancy, Alcohol Use, and Sexual Trauma. Military Medicine 2021, 187: 140-143. PMID: 34626194, PMCID: PMC10558038, DOI: 10.1093/milmed/usab407.Peer-Reviewed Original ResearchConceptsHealth care accessSTI controlSexual health paradigmCare accessSexual healthFrequency of STIUniversal health care accessCity Health OfficialsUniversal health care systemHealth care systemSTI careTransmitted InfectionsSTI preventionActive duty serviceSTI riskUnintended pregnancyHigh prevalenceHealth paradigmConsensus studyPrevention outcomesRisk behaviorsOngoing epidemicMultilevel riskDisease controlProtective factors
2018
Risk Prediction Score for HIV Infection: Development and Internal Validation with Cross-Sectional Data from Men Who Have Sex with Men in China
Yin L, Zhao Y, Peratikos MB, Song L, Zhang X, Xin R, Sun Z, Xu Y, Zhang L, Hu Y, Hao C, Ruan Y, Shao Y, Vermund SH, Qian HZ. Risk Prediction Score for HIV Infection: Development and Internal Validation with Cross-Sectional Data from Men Who Have Sex with Men in China. AIDS And Behavior 2018, 22: 2267-2276. PMID: 29786768, PMCID: PMC7024582, DOI: 10.1007/s10461-018-2129-y.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAlcohol DrinkingChinaCondomsCross-Sectional StudiesHIV InfectionsHomosexuality, MaleHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisPrevalenceRisk AssessmentRisk FactorsRisk-TakingSafe SexSexual and Gender MinoritiesSexual BehaviorSexual PartnersSurveys and QuestionnairesSyphilisUnsafe SexYoung AdultConceptsHIV infectionRisk scoreHuman immunodeficiency virus (HIV) riskMultivariable logistic regression modelingBootstrap-corrected C-indexMultiple male sexual partnersValid risk scoreVaccine clinical trialsHigh-risk MSMHigh-risk personsRisk prediction scoreReceptive anal intercourseReceptive anal sexInconsistent condom useMale sexual partnersHIV prevention programmingLogistic regression modelingDrug/alcohol addictionHIV acquisitionRisk reduction programsSyphilis infectionHIV prevalenceClinical trialsC-indexIllegal drug use
2017
HIV testing and sexual risks among migrant men who have sex with men: findings from a large cross-sectional study in Beijing, China
Liu Y, Vermund SH, Ruan Y, Liu H, Zhang C, Yin L, Shao Y, Qian HZ. HIV testing and sexual risks among migrant men who have sex with men: findings from a large cross-sectional study in Beijing, China. AIDS Care 2017, 30: 86-94. PMID: 28944685, PMCID: PMC6088860, DOI: 10.1080/09540121.2017.1381331.Peer-Reviewed Original ResearchConceptsLifetime male sexual partnersCondomless receptive anal sexHIV testingMigrant MSMHIV perceptionAnal sexHIV/syphilis infectionOlder ageLarge cross-sectional studyHIV/STI riskLikelihood of syphilisHIV/syphilisInsertive anal sexReceptive anal sexCross-sectional studyMale sexual partnersSyphilis infectionHIV transmissionLocal MSMSTI riskChinese MSMLower oddsEpidemiological studiesSexual partnersRisk profileExpanded antiretroviral treatment, sexual networks, and condom use: Treatment as prevention unlikely to succeed without partner reduction among men who have sex with men in China
Lou J, Hu P, Qian HZ, Ruan Y, Jin Z, Xing H, Shao Y, Vermund SH. Expanded antiretroviral treatment, sexual networks, and condom use: Treatment as prevention unlikely to succeed without partner reduction among men who have sex with men in China. PLOS ONE 2017, 12: e0171295. PMID: 28406992, PMCID: PMC5390964, DOI: 10.1371/journal.pone.0171295.Peer-Reviewed Original ResearchConceptsCondom use increasesNew HIV infectionsMale sexual partnersPartner reductionCondom useSexual partnersHIV infectionBeijing MSMHIV new infectionsSexual behavioral changesAntiretroviral treatmentHIV testingHIV incidenceHIV prevalenceCombination interventionsSubstantial additional benefitNew infectionsUse increasesSexual networksInfectionMSMMenRisk reductionBehavioral changesTreatmentSubsequent Sexual Risks Among Men Who Have Sex with Men May Differ by Sex of First Partner and Age at Sexual Debut: A Cross-Sectional Study in Beijing, China
Liu Y, Qian HZ, Amico KR, Liu H, Yin L, Ruan Y, Shao Y, Zhang C, Vermund SH. Subsequent Sexual Risks Among Men Who Have Sex with Men May Differ by Sex of First Partner and Age at Sexual Debut: A Cross-Sectional Study in Beijing, China. AIDS And Behavior 2017, 21: 2913-2923. PMID: 28110474, PMCID: PMC5522364, DOI: 10.1007/s10461-017-1677-x.Peer-Reviewed Original ResearchConceptsSexual debutSexual riskSyphilis riskAnal sexFirst sexLifetime female partnersLifetime male partnersHIV/syphilisInsertive anal sexReceptive anal sexCross-sectional studyRecent vaginal sexHIV riskChinese MSMMSM riskSubsequent sexual riskVaginal sexMale partnersFemale partnersSexMenWomenRiskSyphilisAge
2016
Substance use and HIV-risk behaviors among HIV-positive men who have sex with men in China: repeated measures in a cohort study design
Zhang C, Liu Y, Sun X, Wang J, Lu HY, He X, Zhang H, Ruan YH, Shao Y, Vermund SH, Qian HZ. Substance use and HIV-risk behaviors among HIV-positive men who have sex with men in China: repeated measures in a cohort study design. AIDS Care 2016, 29: 644-653. PMID: 27832699, PMCID: PMC5350012, DOI: 10.1080/09540121.2016.1255709.Peer-Reviewed Original ResearchConceptsHIV risk behaviorsCohort study designSubstance useStudy designHIV-positive MSMHIV-positive menGeneralized Estimating Equation modelsFemale sex partnersRapid HIV transmissionMale sexual partnersRigorous study designsSexual risk behaviorsCurrent studySeronegative counterpartsSeropositive menSeropositive partnersHIV transmissionMean agePotential confoundersRisk factorsHigh riskRisk populationsSex partnersUnprotected sexRisk behaviorsAlcohol misuse, risky sexual behaviors, and HIV or syphilis infections among Chinese men who have sex with men
Liu Y, Ruan Y, Strauss SM, Yin L, Liu H, Amico KR, Zhang C, Shao Y, Qian HZ, Vermund SH. Alcohol misuse, risky sexual behaviors, and HIV or syphilis infections among Chinese men who have sex with men. Drug And Alcohol Dependence 2016, 168: 239-246. PMID: 27723554, PMCID: PMC5523945, DOI: 10.1016/j.drugalcdep.2016.09.020.Peer-Reviewed Original ResearchConceptsAlcohol Use Disorders Identification Test-ConsumptionSyphilis infectionBinge drinkersChinese menAlcohol misuseCondomless insertive anal intercourseHIV/syphilis infectionRecent alcohol misuseAlcohol risk reduction programCross-sectional studyInsertive anal intercourseAUDIT-C scoresCurrent alcohol dependenceInterviewer-administered surveyHigh-risk behaviorsRisk reduction programsRisky sexual behaviorMisuse MeasureHIV riskChinese MSMAnal intercourseHigh riskSyphilis riskBinge drinkingHazardous drinkersSexual Behaviors Linked to Drug and Alcohol Use Among Men Who Have Sex With Men in China
Zhang C, Qian HZ, Yin L, Liu Y, Strauss SM, Ruan Y, Shao Y, Lu H, Vermund SH. Sexual Behaviors Linked to Drug and Alcohol Use Among Men Who Have Sex With Men in China. Substance Use & Misuse 2016, 51: 1821-1830. PMID: 27608264, PMCID: PMC5423713, DOI: 10.1080/10826084.2016.1197264.Peer-Reviewed Original ResearchConceptsAlcohol useHigher oddsAlcohol consumptionSexual behaviorDrug useHigh-risk sexual behaviorFemale partnersHistory of alcoholSexual risk behaviorsHigh-risk behaviorsEffects of drugsSelf-administered questionnaireSyphilis infectionHIV infectionSyphilis prevalenceMean ageSyphilis testingClinical trialsHIV epidemicHIV interventionsBlood samplesHIVHan ethnicityRisk behaviorsMSMHigh HIV prevalence and the internet as a source of HIV-related service information at a community-based organization in Peru: a cross-sectional study of men who have sex with men
Passaro RC, Haley CA, Sanchez H, Vermund SH, Kipp AM. High HIV prevalence and the internet as a source of HIV-related service information at a community-based organization in Peru: a cross-sectional study of men who have sex with men. BMC Public Health 2016, 16: 871. PMID: 27557857, PMCID: PMC4997688, DOI: 10.1186/s12889-016-3561-4.Peer-Reviewed Original ResearchMeSH KeywordsAdultCommunity Health ServicesCross-Sectional StudiesHIV InfectionsHomosexuality, MaleHumansInformation Seeking BehaviorInformation ServicesInternetLogistic ModelsMaleMarketing of Health ServicesOdds RatioPatient Acceptance of Health CarePeer GroupPeruPrevalenceRisk-TakingSex WorkersSexual BehaviorSexual PartnersYoung AdultConceptsHIV prevalenceHIV servicesCross-sectional studyHIV careCommunity-based organizationsMethodsA cross-sectional studyMultivariable logistic regression modelSource of HIVHigh-risk personsSex workersHigh HIV prevalenceGeneral adult populationSex workers groupSexual risk behaviorsResource-limited settingsLogistic regression modelsHIV diagnosisWorker groupsHigh riskAdult populationInfected individualsPerson groupRisk behaviorsRisk profileMSMSeeking Male Sexual Partners via Internet and Traditional Venues among Chinese Men Who Have Sex with Men: Implications for HIV Risk Reduction Interventions
Liu Y, Wang J, Qian HZ, Liu H, Yin L, Lu H, Zhang C, Ruan Y, Shao Y, Vermund SH. Seeking Male Sexual Partners via Internet and Traditional Venues among Chinese Men Who Have Sex with Men: Implications for HIV Risk Reduction Interventions. AIDS And Behavior 2016, 20: 2222-2230. PMID: 27000143, PMCID: PMC7784627, DOI: 10.1007/s10461-016-1371-4.Peer-Reviewed Original ResearchConceptsMale sexual partnersChinese menSexual partnersHIV risk reduction interventionsCondomless receptive anal sexReceptive anal sexRisk reduction interventionsBehaviors of MSMCross-sectional surveyHigh-risk behaviorsHIV epidemicChinese MSMAnal sexReduction interventionsMSMSociodemographic predictorsLonger durationSexMenInterventionHigher incomeHIVTraditional venuesBarriers and Facilitators of Linkage to and Engagement in HIV Care Among HIV-Positive Men Who Have Sex with Men in China: A Qualitative Study
Liu Y, Osborn CY, Qian HZ, Yin L, Xiao D, Ruan Y, Simoni JM, Zhang X, Shao Y, Vermund SH, Amico KR. Barriers and Facilitators of Linkage to and Engagement in HIV Care Among HIV-Positive Men Who Have Sex with Men in China: A Qualitative Study. AIDS Patient Care And STDs 2016, 30: 70-77. PMID: 26784360, PMCID: PMC4753635, DOI: 10.1089/apc.2015.0296.Peer-Reviewed Original ResearchMeSH KeywordsAdultChinaConfidentialityFearFocus GroupsHealth Knowledge, Attitudes, PracticeHealth ServicesHealth Services AccessibilityHIV InfectionsHomosexuality, MaleHumansInterviews as TopicMalePeer GroupPrejudicePrevalenceQualitative ResearchRisk-TakingSexual PartnersSocial StigmaSocioeconomic FactorsConceptsHIV-positive MSMFacilitators of linkageHIV careAntiretroviral therapyCurrent HIV preventionFree HIV careHIV-positive patientsHIV-positive menHIV care servicesHealth care workersFocus group discussionsContinuum of careHIV transmissionCare interventionsHIV preventionClinic timeCare workersQualitative studyCare servicesKey populationsPsychological burdenMSMCarePeer referralDisclosure concerns
2015
Qualitative Assessment of Barriers and Facilitators of Access to HIV Testing Among Men Who Have Sex with Men in China
Liu Y, Sun X, Qian HZ, Yin L, Yan Z, Wang L, Jiang S, Lu H, Ruan Y, Shao Y, Vermund SH, Amico KR. Qualitative Assessment of Barriers and Facilitators of Access to HIV Testing Among Men Who Have Sex with Men in China. AIDS Patient Care And STDs 2015, 29: 481-489. PMID: 26186029, PMCID: PMC4553375, DOI: 10.1089/apc.2015.0083.Peer-Reviewed Original ResearchConceptsHIV testingHIV prevention intervention effortsLimited HIV knowledgeHIV testing ratesHIV-positive groupHigh-risk subgroupsDiagnosis of HIVHigh-risk behaviorsFacilitators of accessPrevention intervention effortsHIV careHIV servicesHIV knowledgeRisk subgroupsClinic timeNosocomial infectionsChinese MSMUltimate preventionFocus groupsTesting ratesOnward transmissionPositive diagnosisRapid linkageHIVIntervention developmentViral co-infections in high-risk communities of Pakistan
Shah AA, Abidi SH, Kalish ML, Vermund SH, Ali S. Viral co-infections in high-risk communities of Pakistan. The Lancet HIV 2015, 2: e124-e125. PMID: 26424672, DOI: 10.1016/s2352-3018(15)00039-9.Peer-Reviewed Original Research
2014
Recreational drug use and risks of HIV and sexually transmitted infections among Chinese men who have sex with men: Mediation through multiple sexual partnerships
Xu JJ, Zhang C, Hu QH, Chu ZX, Zhang J, Li YZ, Lu L, Wang Z, Fu JH, Chen X, Yan HJ, Zhuang MH, Jiang YJ, Geng WQ, Vermund SH, Shang H, Qian HZ. Recreational drug use and risks of HIV and sexually transmitted infections among Chinese men who have sex with men: Mediation through multiple sexual partnerships. BMC Infectious Diseases 2014, 14: 642. PMID: 25443542, PMCID: PMC4272794, DOI: 10.1186/s12879-014-0642-9.Peer-Reviewed Original ResearchConceptsMultiple sexual partnershipsUnprotected sexDrug useSexual partnersSexual partnershipsSimplex virus type 2Multiple logistic regression modelHSV-2 infectionHSV-2 prevalenceCross-sectional studyRisk of HIVMultiple sexual partnersVirus type 2Last sexual encounterRecreational drug useLogistic regression modelsHIV infectionActive MSMHSV-2HIV riskSexual disinhibitionChinese MSMHigh riskHIVChinese menMethadone Maintenance Therapy and HIV Counseling and Testing are Associated with Lower frequency of Risky Behaviors Among Injection Drug Users in China
Wang M, Mao W, Zhang L, Jiang B, Xiao Y, Jia Y, Wu P, Cassell H, Vermund S. Methadone Maintenance Therapy and HIV Counseling and Testing are Associated with Lower frequency of Risky Behaviors Among Injection Drug Users in China. Substance Use & Misuse 2014, 50: 15-23. PMID: 25295376, DOI: 10.3109/10826084.2014.957768.Peer-Reviewed Original ResearchConceptsMethadone maintenance therapyInjection drug usersMaintenance therapyDrug usersConsecutive cross-sectional surveysHIV voluntary counselingUnprotected sexual behaviorCross-sectional surveyRisky behaviorsHIV counselingVoluntary counselingNeedle sharingUnprotected sexMMT servicesSignificant associationVCTLast monthSexual behaviorTherapyCounselingModeling the Impact on HIV Incidence of Combination Prevention Strategies among Men Who Have Sex with Men in Beijing, China
Lou J, Blevins M, Ruan Y, Vermund SH, Tang S, Webb GF, Shepherd BE, He X, Lu H, Shao Y, Qian HZ. Modeling the Impact on HIV Incidence of Combination Prevention Strategies among Men Who Have Sex with Men in Beijing, China. PLOS ONE 2014, 9: e90985. PMID: 24626165, PMCID: PMC3953201, DOI: 10.1371/journal.pone.0090985.Peer-Reviewed Original ResearchConceptsAntiretroviral therapyHIV epidemicCondom useHIV prevalenceART coverageCombination prevention strategiesHIV/AIDSHIV testingHIV incidenceCombination interventionsBeijing MSMPrevention strategiesPrevalence estimatesPrevalenceEpidemic expansionMenInterventionEpidemicIncidenceBasic reproduction numberPrevention scenariosCurrent coverageSexReproduction numberIntervention levels
2013
Sex with Women Among Men Who Have Sex with Men in China: Prevalence and Sexual Practices
Tao J, Ruan Y, Yin L, Vermund SH, Shepherd BE, Shao Y, Qian HZ. Sex with Women Among Men Who Have Sex with Men in China: Prevalence and Sexual Practices. AIDS Patient Care And STDs 2013, 27: 524-528. PMID: 23931683, PMCID: PMC3760059, DOI: 10.1089/apc.2013.0161.Peer-Reviewed Original ResearchConceptsPotential bridge populationPrevalence of HIVSubgroup of menPrevention intervention programsHIV prevention intervention programsSyphilis infectionEligible MSMHIV transmissionAlcohol drinkingAnal sexOlder ageLower educationInsertive roleWomenIntervention programsSexMenBisexual behaviorHIVSignificant differencesStrongest predictorBisexual orientationSexual practicesBridge populationInfection
2012
Risk Behaviors for Reproductive Tract Infection in Women Who Have Sex with Women in Beijing, China
Wang X, Norris JL, Liu Y, Vermund SH, Qian HZ, Han L, Wang N. Risk Behaviors for Reproductive Tract Infection in Women Who Have Sex with Women in Beijing, China. PLOS ONE 2012, 7: e40114. PMID: 22768334, PMCID: PMC3388038, DOI: 10.1371/journal.pone.0040114.Peer-Reviewed Original ResearchConceptsReproductive tract infectionsTract infectionsSTI/reproductive tract infectionsCondom useRisk behaviorsSexual partnersHigh-risk sexual behaviorCross-sectional studyConsistent condom useSexual behaviorG-spotPast yearInternet outreachAverage ageLast sexSubstantial riskRTI preventionWomenInfectionFemale partnersIntervention programsSex toysSexMenYearsPredictors of HIV and Syphilis among Men Who Have Sex with Men in a Chinese Metropolitan City: Comparison of Risks among Students and Non-Students
Zhang L, Ding X, Lu R, Feng L, Li X, Xiao Y, Ruan Y, Vermund SH, Shao Y, Qian HZ. Predictors of HIV and Syphilis among Men Who Have Sex with Men in a Chinese Metropolitan City: Comparison of Risks among Students and Non-Students. PLOS ONE 2012, 7: e37211. PMID: 22623994, PMCID: PMC3356386, DOI: 10.1371/journal.pone.0037211.Peer-Reviewed Original ResearchConceptsSyphilis infectionRisky sexual behaviorHIV prevalenceStudent MSMMultivariable logistic regression analysisSexual behaviorPredictors of HIVLow HIV prevalencePrevalence of syphilisRisk of HIVLogistic regression analysisRisk sexual behaviourLow HIVHIV infectionSyphilis prevalenceComparison of risksSyphilis testingAdjusted prevalenceHigh prevalenceHIV riskBlood specimensHIVMSM participantsMultivariate analysisSexual partnersHIV/AIDS-Related Stigmatizing and Discriminatory Attitudes and Recent HIV Testing Among Men Who Have Sex With Men in Beijing
Li X, Lu H, Ma X, Sun Y, He X, Li C, Raymond HF, McFarland W, Pan S, Shao Y, Vermund S, Xiao Y, Ruan Y, Jia Y. HIV/AIDS-Related Stigmatizing and Discriminatory Attitudes and Recent HIV Testing Among Men Who Have Sex With Men in Beijing. AIDS And Behavior 2012, 16: 499-507. PMID: 22350831, PMCID: PMC4048063, DOI: 10.1007/s10461-012-0161-x.Peer-Reviewed Original ResearchConceptsRecent HIV testingHIV testingLast male partnerHIV statusMale partnersMale sex partnersCross-sectional studyFemale sexual partnersHIV/AIDS-related stigmaDrug use behaviorsLow levelsPrevention servicesSex partnersYounger ageSexual partnersDiscriminatory attitudesMenRecent testingSexUse behaviorsUrgent needStigmatizingStatusHIVTesting