2025
Design of egocentric network-based studies to estimate causal effects under interference.
Fang J, Spiegelman D, Buchanan A, Forastiere L. Design of egocentric network-based studies to estimate causal effects under interference. Statistical Methods In Medical Research 2025, 9622802251357021. PMID: 40671608, DOI: 10.1177/09622802251357021.Peer-Reviewed Original ResearchPeer education interventionEducational interventionPublic health interventionsCausal effectsHealth interventionsHIV preventionOutcomes FrameworkSample size formulaPotential outcomes frameworkInterventionRegression modelsNetwork membersJoint hypothesis testingWhole populationSize formulaOverall effectBehavioral influencesSpillover effectsIndividualsPeerIdentification strategyUntreated individualsRandomized experimentSpilloverHIV
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
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