2024
Assessing Direct and Spillover Effects of Intervention Packages in Network-randomized Studies
Buchanan A, Hernández-Ramírez R, Lok J, Vermund S, Friedman S, Forastiere L, Spiegelman D. Assessing Direct and Spillover Effects of Intervention Packages in Network-randomized Studies. Epidemiology 2024, 35: 481-488. PMID: 38709023, DOI: 10.1097/ede.0000000000001742.Peer-Reviewed Original ResearchIntervention packageEffectiveness of interventional packageImprove intervention deliveryPeer education interventionHIV prevention trialsPeer educator trainingMarginal structural modelsPublic health impactHIV risk behaviorsIntervention deliveryIntervention NetworkEducational interventionParticipant visitsPrevention trialsFollow-up visitRisk behaviorsHealth impactsInterventionEducational trainingParticipantsSpillover effectsVisitsHIVExposed networksPeer
2023
Overall, Direct, Spillover, and Composite Effects of Components of a Peer-Driven Intervention Package on Injection Risk Behavior Among People Who Inject Drugs in the HPTN 037 Study
Hernández-Ramírez R, Spiegelman D, Lok J, Forastiere L, Friedman S, Latkin C, Vermund S, Buchanan A. Overall, Direct, Spillover, and Composite Effects of Components of a Peer-Driven Intervention Package on Injection Risk Behavior Among People Who Inject Drugs in the HPTN 037 Study. AIDS And Behavior 2023, 28: 225-237. PMID: 37932493, PMCID: PMC11062514, DOI: 10.1007/s10461-023-04213-x.Peer-Reviewed Original ResearchInjection risk behaviorsPeer education interventionRisk behaviorsClinical trial registrationSubsequent risk behaviorsTRIAL REGISTRATIONOutcome ratesSecondary data analysisIndex individualsRoutine evaluationIntervention componentsIntervention NetworkMixed effects modelsIntervention packageGroups/networksPeer education trainingPeer educatorsOverall rateInterventionPeer educationEffects modelTraining sessionsDrugsControl conditionBehavioral measures
2022
Voluntary Medical Male Circumcision for HIV Prevention: a Global Overview
Zhang C, Vermund S. Voluntary Medical Male Circumcision for HIV Prevention: a Global Overview. Current HIV/AIDS Reports 2022, 19: 474-483. PMID: 36348186, DOI: 10.1007/s11904-022-00632-y.Peer-Reviewed Original ResearchConceptsVoluntary medical male circumcisionMedical male circumcisionHIV preventionMale circumcisionPrevention strategiesEvidence-based HIV prevention strategiesBehavioral prevention strategiesHigher sexual risk behaviorsHIV prevention strategiesSexual risk behaviorsPurpose of ReviewWithDecreased riskClinical trialsCircumcision coverageVMMC coverageProtective effectRecent FindingsThereHealth professionalsSystematic reviewIncidence areaRisk behaviorsSexual partnersHealth authoritiesHealth systemMale partners
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 factorsInteraction of Religion/Spirituality With Internalized HIV Stigma, Depression, Alcohol Use, and Sexual Risk Among Black Men Who Have Sex With Men: The 6 City HPTN 061 Study
Taggart T, Mayer KH, Vermund SH, Huang S, Hayashi K, Ransome Y. Interaction of Religion/Spirituality With Internalized HIV Stigma, Depression, Alcohol Use, and Sexual Risk Among Black Men Who Have Sex With Men: The 6 City HPTN 061 Study. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2021, 87: e188-e197. PMID: 33633033, PMCID: PMC8131231, DOI: 10.1097/qai.0000000000002667.Peer-Reviewed Original ResearchConceptsInternalized HIV stigmaHIV stigmaDepressive symptomsInfluence of drugsAlcohol useActivity scoreHIV Prevention Trials Network 061 studyDepressive symptom scoresHPTN 061 StudyBlack menSymptom scoresFuture intervention researchAnal intercourseHigh riskSymptomsRisk behaviorsSexual riskSubstance useBMSMBaseline dataDrugsHIVMenGeneralized structural equation modelScores
2018
HIV-1 Transmission Clustering and Phylodynamics Highlight the Important Role of Young Men Who Have Sex with Men
Dennis AM, Volz E, Frost A, Hossain M, Poon AFY, Rebeiro P, Vermund SH, Sterling TR, Kalish ML. HIV-1 Transmission Clustering and Phylodynamics Highlight the Important Role of Young Men Who Have Sex with Men. AIDS Research And Human Retroviruses 2018, 34: 879-888. PMID: 30027754, PMCID: PMC6204570, DOI: 10.1089/aid.2018.0039.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsCluster AnalysisCross-Sectional StudiesFemaleGenotypeHIV InfectionsHIV-1Homosexuality, MaleHumansMaleMiddle AgedMolecular EpidemiologyPhylogenyPol Gene Products, Human Immunodeficiency VirusRetrospective StudiesRisk FactorsRNA, ViralSequence Analysis, DNATennesseeYoung AdultConceptsYoung MSMTransmission clustersHIV-1 pol sequencesTransmission riskComprehensive Care ClinicHIV transmission patternsVanderbilt Comprehensive Care ClinicYears of ageHIV molecular epidemiologyCross-sectional analysisHigh transmission riskClinical factorsCare clinicsRisk ratioClinical dataImportance of interventionsMSM riskPol sequencesTransmission clusteringYounger ageRisk behaviorsLogistic regressionMolecular epidemiologyMSMYoung men
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 behaviorsSexual 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 profileMSM
2013
Meta-Analysis of Interventions for Reducing Number of Sexual Partners and Drug and Alcohol Abuse among People Living with HIV/AIDS
Wang N, Sun X, Yin L, Liu H, Ruan Y, Shao Y, Qian HZ, Vermund SH. Meta-Analysis of Interventions for Reducing Number of Sexual Partners and Drug and Alcohol Abuse among People Living with HIV/AIDS. Journal Of AIDS & Clinical Research 2013, 04 PMID: 24224118, PMCID: PMC3819193, DOI: 10.4172/2155-6113.1000213.Peer-Reviewed Original ResearchRisk reduction interventionsNeedle sharingStandardized mean differenceAlcohol abuseReduction interventionsHIV/AIDSSexual partnersDrug useUnknown status sexual partnersSubset of HIVHeterogeneity of studiesRandom-effects modelTotal sexual partnersStudy armsClinical trialsDrug usersIntervention studiesMeta-AnalysisSystematic reviewPublication biasRisk behaviorsPLWHAHIVMean differenceDrug abuse
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 toysSexMenYears
2009
High-risk behaviours among juvenile prison inmates in Pakistan
Altaf A, Janjua NZ, Kristensen S, Zaidi NA, Memon A, Hook EW, Vermund SH, Shah SA. High-risk behaviours among juvenile prison inmates in Pakistan. Public Health 2009, 123: 470-475. PMID: 19615706, DOI: 10.1016/j.puhe.2009.06.001.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virusCross-sectional studyHigh-risk behaviorsRisk behaviorsMultivariate logistic regression analysisHIV risk behaviorsLogistic regression analysisMean knowledge scoreMultiple sexual partnersUse of condomsMode of transmissionMale juvenile detaineesImmunodeficiency virusHigh riskRisk scoreChlamydia trachomatisUrine specimensLigase chain reactionCondom useKnowledge scoreNeisseria gonorrhoeaePrison inmatesSexual partnersBiological markersSexual activityProjecting dynamic trends for HIV/AIDS in a highly endemic area of China: estimation models for Liangshan Prefecture, Sichuan Province.
Liu L, Luan R, Yang W, Zhang L, Zhang J, Nan L, Huang J, Hu Y, Mao G, Feng L, Gong Y, Vermund SH, Jia Y. Projecting dynamic trends for HIV/AIDS in a highly endemic area of China: estimation models for Liangshan Prefecture, Sichuan Province. Current HIV Research 2009, 7: 390-7. PMID: 19601774, PMCID: PMC4048065, DOI: 10.2174/157016209788680642.Peer-Reviewed Original ResearchConceptsAsian Epidemic ModelInjection drug usersHIV prevalenceHIV/AIDSEndemic areasNew HIV infectionsAdult HIV prevalenceHigh-risk behaviorsMajority of casesHIV infectionStable incidenceSexual transmissionAdult prevalenceMixed epidemicHigh riskNew infectionsDrug usersLiangshan PrefectureNeedle exchangeCondom useRisk behaviorsPrevalenceSpecific interventionsInfectionBridge population[Sharing of needles and paraphernalia injection in new and long-term injection drug users in Sichuan, China].
Liu JB, Zhang LL, Lai WH, Feng L, Zeng YL, Liu L, Hu Y, Li J, Zhang XL, Xiao Y, Vermund SH, Jia YJ. [Sharing of needles and paraphernalia injection in new and long-term injection drug users in Sichuan, China]. Chinese Journal Of Epidemiology 2009, 30: 656-62. PMID: 19957584.Peer-Reviewed Original ResearchConceptsNon-regular sex partnersLong-term injection drug usersInjection drug usersRegular sex partnersCommercial sex partnersSex partnersUnprotected sexNew injection drug usersSex-related risk behaviorsHIV/STD preventionConsecutive cross-sectional surveysLess educationNeedle exchange programsCross-sectional surveyCondom promotionEligible participantsSTD preventionDrug usersNeedle exchangeRisk behaviorsParaphernalia sharingHigh frequencyInjection historyComprehensive intervention packageIntervention packageChapter 1 Current and futuretrends implicationsfor HIV prevention
Sahasrabuddhe V, Vermund S. Chapter 1 Current and futuretrends implicationsfor HIV prevention. 2009, 9-30. DOI: 10.1016/b978-0-12-374235-3.00001-7.Peer-Reviewed Original ResearchHIV infectionHIV transmissionHIV preventionChronic HIV infectionPre-exposure prophylaxisPartial immune reconstitutionHIV prevention interventionsHIV positive livingNeedle exchange servicesAfrican AIDS epidemicAntiretroviral therapyImmune reconstitutionSecondary preventionPrimary preventionSTI controlSTI ratesDisability levelTertiary preventionPrevention interventionsAIDS deathsMale circumcisionCommunity stigmaEarly preventionMultiple interventionsRisk behaviors
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 effortsSyphilisSexual Behavior and Risk Factors for HIV Infection Among Homosexual and Bisexual Men in Thailand
Li A, Varangrat A, Wimonsate W, Chemnasiri T, Sinthuwattanawibool C, Phanuphak P, Jommaroeng R, Vermund S, van Griensven F. Sexual Behavior and Risk Factors for HIV Infection Among Homosexual and Bisexual Men in Thailand. AIDS And Behavior 2008, 13: 318. PMID: 18758936, DOI: 10.1007/s10461-008-9448-3.Peer-Reviewed Original ResearchConceptsHIV prevalenceHIV infectionRisk factorsCondom useHIV risk factorsSelf-reported STDsInsertive anal intercourseInconsistent condom useConsistent condom useActive menAnal intercourseFamily confidantDrug useRisk behaviorsOlder ageLogistic regressionMale partnersPrevalenceBisexual menMSMWChi-squareMSMFemale partnersSexual behaviorMen
2006
Expansion of HIV/AIDS in China: Lessons from Yunnan Province
Xiao Y, Kristensen S, Sun J, Lu L, Vermund SH. Expansion of HIV/AIDS in China: Lessons from Yunnan Province. Social Science & Medicine 2006, 64: 665-675. PMID: 17107739, PMCID: PMC2730760, DOI: 10.1016/j.socscimed.2006.09.019.Peer-Reviewed Original ResearchConceptsHIV control programsRisk behaviorsCommercial sex workGeneral populationHuman immunodeficiency virusEnglish-language literatureSexual contact ratesHIV/AIDSAntenatal careHIV infectionHIV subtypesImmunodeficiency virusSexual transmissionCondom promotionHIV outbreakHIV epidemicFuture HIVHIV awarenessDrug usersDrug useSex workInfection rateDisease controlDrug ratesLanguage literature
2001
No change in health risk behaviors over time among HIV infected adolescents in care: role of psychological distress
Murphy D, Durako S, Moscicki A, Vermund S, Ma Y, Schwarz D, Muenz L, network T. No change in health risk behaviors over time among HIV infected adolescents in care: role of psychological distress. Journal Of Adolescent Health 2001, 29: 57-63. PMID: 11530304, DOI: 10.1016/s1054-139x(01)00287-7.Peer-Reviewed Original ResearchConceptsHealth risk behaviorsRecent sexual activityRisk behaviorsUnprotected sexPsychological distressLast intercourseHigh-risk sexual behaviorSexual activityHealth-related anxietySexual behaviorSexual risk behaviorsFrequent alcohol useMarijuana useUse of alcoholComputer-assisted self-administered interviewPrimary careStudy visitObservational studyHIVClinical sitesHealth interventionsDepressed adolescentsAlcohol useHealth anxietyMeasures analysis
2000
Network-related Mechanisms May Help Explain Long-term HIV-1 Seroprevalence Levels That Remain High but Do Not Approach Population-Group Saturation
Friedman SR, Kottiri BJ, Neaigus A, Curtis R, Vermund SH, Des Jarlais DC. Network-related Mechanisms May Help Explain Long-term HIV-1 Seroprevalence Levels That Remain High but Do Not Approach Population-Group Saturation. American Journal Of Epidemiology 2000, 152: 913-922. PMID: 11092433, DOI: 10.1093/aje/152.10.913.Peer-Reviewed Original ResearchConceptsDrug injectorsSeroprevalence levelsHIV-1 incidenceHigh-risk subgroupsHuman immunodeficiency virusBehavioral risk reductionHigh prevalence situationsImmunodeficiency virusHigh seroprevalenceSeronegativesPrevention programsRisk behaviorsInfection outbreaksSeroprevalenceInfectious outbreaksMaximum incidenceSecondary outbreaksNetwork-based mechanismsRisk reductionIncidenceOutbreakOutbreak increasesNew York CityPrevalenceYork City