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
2021
Community-based health workers implementing universal access to HIV testing and treatment: lessons from South Africa and Zambia—HPTN 071 (PopART)
Viljoen L, Mainga T, Casper R, Mubekapi-Muzadaidzwa C, Wademan D, Bond V, Pliakas T, Bwalya C, Stangl A, Phiri M, Yang B, Shanaube K, Bock P, Fidler S, Hayes R, Ayles H, Hargreaves J, Hoddinott G, Seeley J, Donnell D, Floyd S, Mandla N, Bwalya J, Sabapathy K, Eshleman S, Macleod D, Moore A, Vermund S, Hauck K, Shanaube K. Community-based health workers implementing universal access to HIV testing and treatment: lessons from South Africa and Zambia—HPTN 071 (PopART). Health Policy And Planning 2021, 36: 881-890. PMID: 33963387, PMCID: PMC8227454, DOI: 10.1093/heapol/czab019.Peer-Reviewed Original ResearchConceptsCommunity-based health workersHIV testingHealth workersHIV prevention packageHPTN 071 (PopART) trialHIV epidemic controlPopulation health benefitsPopART interventionCHW interventionPrevention packageTreatment servicesIntervention staffTrial outcomesBaseline quantitative dataReferral servicesCHW retentionHealth benefitsIntervention packageProcess evaluationEpidemic controlGroup discussionsInterventionTrialsKey informant interviewsEmotional support
2018
Exploration of Implementation Patterns and Content from a Text-Based Outreach Intervention Clinical Trial for Newly Diagnosed, HIV-Positive MSM in Beijing, China
Knudson A, Shaw S, Yin L, Xiao D, Qian HZ, Sullivan S, Liu H, Ruan Y, Shao Y, Vermund SH, Amico KR. Exploration of Implementation Patterns and Content from a Text-Based Outreach Intervention Clinical Trial for Newly Diagnosed, HIV-Positive MSM in Beijing, China. AIDS And Behavior 2018, 23: 1158-1165. PMID: 30288683, PMCID: PMC6566097, DOI: 10.1007/s10461-018-2287-y.Peer-Reviewed Original Research
2009
[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 package