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
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 behaviors
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 activity