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
Maternal and child health intervention to promote behaviour change: a population-level cluster-randomised controlled trial in Honduras
Oles W, Alexander M, Negron R, Nelson J, Iriarte E, Airoldi E, Christakis N, Forastiere L. Maternal and child health intervention to promote behaviour change: a population-level cluster-randomised controlled trial in Honduras. BMJ Open 2024, 14: e060784. PMID: 38858139, PMCID: PMC11168147, DOI: 10.1136/bmjopen-2022-060784.Peer-Reviewed Original ResearchConceptsCluster randomised controlled trialPrimary outcomeCounseling interventionChild health interventionsCommunity health workersProfessional care seekingBreast-feedingPromote behavior changeSecondary outcome measuresFacility birthsUmbilical cord careCare-seekingNewborn healthNewborn careHealth workersHealth facilitiesEndline surveyHealth interventionsEducational interventionChild healthCord careHome settingCaring behaviorsSecondary outcomesSustained educational interventions
2022
Algorithms for seeding social networks can enhance the adoption of a public health intervention in urban India
Alexander M, Forastiere L, Gupta S, Christakis NA. Algorithms for seeding social networks can enhance the adoption of a public health intervention in urban India. Proceedings Of The National Academy Of Sciences Of The United States Of America 2022, 119: e2120742119. PMID: 35862454, PMCID: PMC9335263, DOI: 10.1073/pnas.2120742119.Peer-Reviewed Original Research
2021
Blocking and being blocked on gay dating apps among MSM attending a sexual health clinic: an observational study
Kumar N, Forastiere L, Janmohamed K, Zhang TP, Sha Y, Yu F, Yang L, Tucker JD, Tang W, Alexander M. Blocking and being blocked on gay dating apps among MSM attending a sexual health clinic: an observational study. BMC Public Health 2021, 21: 2127. PMID: 34798857, PMCID: PMC8605500, DOI: 10.1186/s12889-021-12182-w.Peer-Reviewed Original ResearchConceptsHealth outcomesMale partnersSexual health clinicsHIV testing interventionsOnline sexual health interventionsMen's health outcomesCross-sectional surveySexual health interventionsLogistic regression modelsRisky sexual behaviorHIV transmissionMean ageHealth clinicsObservational studyChinese MSMMSM communityGay app useTesting interventionsHealth interventionsSexual partnersSexual behaviorMSMApp useRegression modelsIntervention
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