2024
Using Overlap Weights to Address Extreme Propensity Scores in Estimating Restricted Mean Counterfactual Survival Times
Cao Z, Ghazi L, Mastrogiacomo C, Forastiere L, Wilson F, Li F. Using Overlap Weights to Address Extreme Propensity Scores in Estimating Restricted Mean Counterfactual Survival Times. American Journal Of Epidemiology 2024, kwae416. PMID: 39489504, DOI: 10.1093/aje/kwae416.Peer-Reviewed Original ResearchInverse probability of censoring weightingProbability of censoring weightingOverlap weightingCensoring processVariance estimationInterval coverageInverse probability of treatment weightingTarget estimandInverse probabilityBinary outcomesPropensity scoreRMSTProbability of treatment weightingPropensity score weightingEstimationEstimandsLogistic regressionTreatment comparisonsVarianceMaternal 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 interventionsAssessing 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 networksPeerCausal inference on networks under continuous treatment interference
Forastiere L, Del Prete D, Sciabolazza V. Causal inference on networks under continuous treatment interference. Social Networks 2024, 76: 88-111. DOI: 10.1016/j.socnet.2023.07.005.Peer-Reviewed Original Research
2023
Doubly Robust Estimator for Off-Policy Evaluation with Large Action Spaces
Shimizu T, Forastiere L. Doubly Robust Estimator for Off-Policy Evaluation with Large Action Spaces. 2023, 00: 992-997. DOI: 10.1109/ssci52147.2023.10372057.Peer-Reviewed Original ResearchOverall, 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 measuresEstimating Causal Effects of HIV Prevention Interventions with Interference in Network-based Studies among People Who Inject Drugs.
Lee T, Buchanan A, Katenka N, Forastiere L, Halloran M, Friedman S, Nikolopoulos G. Estimating Causal Effects of HIV Prevention Interventions with Interference in Network-based Studies among People Who Inject Drugs. The Annals Of Applied Statistics 2023, 17: 2165-2191. PMID: 38250709, PMCID: PMC10798667, DOI: 10.1214/22-aoas1713.Peer-Reviewed Original ResearchMass gatherings for political expression had no discernible association with the local course of the COVID-19 pandemic in the USA in 2020 and 2021
Feltham E, Forastiere L, Alexander M, Christakis N. Mass gatherings for political expression had no discernible association with the local course of the COVID-19 pandemic in the USA in 2020 and 2021. Nature Human Behaviour 2023, 7: 1708-1728. PMID: 37524931, DOI: 10.1038/s41562-023-01654-1.Peer-Reviewed Original ResearchEstimating causal effects of community health financing via principal stratification
Noirjean S, Biggeri M, Forastiere L, Mealli F, Nannini M. Estimating causal effects of community health financing via principal stratification. Statistical Methods & Applications 2023, 32: 1317-1350. DOI: 10.1007/s10260-023-00706-0.Peer-Reviewed Original ResearchImplementation of a Hardware-Assisted Bluetooth-Based COVID-19 Tracking Device in a High School: Mixed Methods Study
Li D, Shelby T, Brault M, Manohar R, Vermund S, Hagaman A, Forastiere L, Caruthers T, Egger E, Wang Y, Manohar N, Manohar P, Davis J, Zhou X. Implementation of a Hardware-Assisted Bluetooth-Based COVID-19 Tracking Device in a High School: Mixed Methods Study. JMIR Formative Research 2023, 7: e39765. PMID: 36525333, PMCID: PMC10131711, DOI: 10.2196/39765.Peer-Reviewed Original ResearchContact tracingPilot implementation studyPublic health toolMixed-methods evaluationTechnical difficultiesSignificant numberQualitative focus group discussionsClose contactInfectious diseasesHealth toolsLarge-scale pandemicMixed-methods studyImplementation outcomesCOVID-19Significant differencesImplementation studyEmotional reassuranceFocus group discussionsMost contactMixed methods designMethods studySustained useCase interviewsMaintenance frameworkHabitsAssessing Principal Causal Effects Using Principal Score Methods
Mattei A, Forastiere L, Mealli F. Assessing Principal Causal Effects Using Principal Score Methods. 2023, 313-348. DOI: 10.1201/9781003102670-17.Peer-Reviewed Original ResearchMethods for Assessing Spillover in Network-Based Studies of HIV/AIDS Prevention among People Who Use Drugs
Buchanan A, Katenka N, Lee Y, Wu J, Pantavou K, Friedman S, Halloran M, Marshall B, Forastiere L, Nikolopoulos G. Methods for Assessing Spillover in Network-Based Studies of HIV/AIDS Prevention among People Who Use Drugs. Pathogens 2023, 12: 326. PMID: 36839598, PMCID: PMC9967280, DOI: 10.3390/pathogens12020326.Peer-Reviewed Original ResearchTransmission Reduction Intervention ProjectHuman immunodeficiency virus interventionsIntervention effectsPre-exposure prophylaxisHIV risk reductionHIV/AIDS preventionDifferent study designsReceipt of interventionHIV interventionsStudy designAIDS preventionParticipants' exposureRisk reductionInterventionNetwork-based studyParticipant outcomesIntervention projectPWUDPreventionDrugsOutcomesCoverage levelsExposureImportant methodological issuesEstimating Causal Effects of Multi-Valued Treatments Accounting for Network Interference: Immigration Policies and Crime Rates
Tortú C, Crimaldi I, Mealli F, Forastiere L. Estimating Causal Effects of Multi-Valued Treatments Accounting for Network Interference: Immigration Policies and Crime Rates. Sociological Methods & Research 2023, 53: 1794-1828. DOI: 10.1177/00491241221147503.Peer-Reviewed Original ResearchImmigration policyCrime ratesNetwork interferenceNational immigration policyRestrictive immigration policiesPolicy evaluation studiesStatistical frameworkImpact of policiesStatistical challengesWeighted networkPolitical attitudesPolitical scienceGeneralized propensity scorePresence of interferenceOECD countriesEstimating Causal EffectsPolicyEstimation strategyAdministrative entitiesInterference structureGeographical proximityBinary treatmentMultiple dimensionsSpecific issuesCountriesMaternal and child health intervention to promote behavior change: a population-level cluster-randomized controlled trial in Honduras
Oles, W., Alexander M., Negron, R., Nelson, J., Iriarte, E., Airoldi, E.M., Christakis, N.A., Forastiere, L. (2023). Maternal and child health intervention to promote behavior change: a population-level cluster-randomized controlled trial in Honduras. BMJ Open.Peer-Reviewed Original Research
2022
A 10+10+30 radio campaign is associated with increased infant vaccination and decreased morbidity in Jimma Zone, Ethiopia: A prospective, quasi-experimental trial.
Appiah B, Gebretsadik LA, Mamo A, Kmush B, Asefa Y, France CR, Samman E, Alemayehu T, Abafogi M, Ahmed MK, Forastiere L, Singh GK, Larsen D, Morankar S. A 10+10+30 radio campaign is associated with increased infant vaccination and decreased morbidity in Jimma Zone, Ethiopia: A prospective, quasi-experimental trial. PLOS Glob Public Health 2022, 2: e0001002. PMID: 36962651, DOI: 10.1371/journal.pgph.0001002.Peer-Reviewed Original ResearchAlgorithms 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 ResearchDevelopment of a Psychometric Tool to Measure Community Solidarity Among Sexual Minorities: Evidence From a Pay-it-Forward Randomized Controlled Trial
Sung A, Zhang TP, Huang W, Tang W, Alexander M, Forastiere L, Kumar N, Hall BJ, Ransome Y, Dieckhaus KD, Wu D, Tucker JD, Yang F. Development of a Psychometric Tool to Measure Community Solidarity Among Sexual Minorities: Evidence From a Pay-it-Forward Randomized Controlled Trial. Sexually Transmitted Diseases 2022, 49: 628-634. PMID: 35675708, PMCID: PMC9378620, DOI: 10.1097/olq.0000000000001659.Peer-Reviewed Original ResearchConceptsTest uptakeMultivariable logistic regressionCross-sectional questionnaireControlled TrialsInfection testingIntervention armStudy armsChlamydia testSocial network supportHigher oddsChinese menHealth outcomesPsychometric toolsLogistic regressionMenPublic healthTrialsFuture studiesSexParticipantsArmUptakeGonorrheaFactorsMSMInterventions to mitigate COVID-19 misinformation: protocol for a scoping review
Kumar N, Walter N, Nyhan K, Khoshnood K, Tucker JD, Bauch CT, Ding Q, Jones-Jang SM, De Choudhury M, Schwartz JL, Papakyriakopoulos O, Forastiere L. Interventions to mitigate COVID-19 misinformation: protocol for a scoping review. Systematic Reviews 2022, 11: 107. PMID: 35637514, PMCID: PMC9148843, DOI: 10.1186/s13643-022-01917-4.Peer-Reviewed Original ResearchNews events and their relationship with US vape sales: an interrupted time series analysis
Janmohamed K, Nakamura-Sakai S, Soale AN, Forastiere L, Altice FL, Kumar N. News events and their relationship with US vape sales: an interrupted time series analysis. BMC Public Health 2022, 22: 479. PMID: 35272644, PMCID: PMC8915465, DOI: 10.1186/s12889-022-12858-x.Peer-Reviewed Original ResearchEstimating Causal Effects Under Interference Using Bayesian Generalized Propensity Scores
Forastiere, L., Mealli, F., Wu, A. & Airoldi, E. (2022). Estimating Causal Effects Under Interference Using Bayesian Generalized Propensity Scores. Journal of Machine Learning Research. 23(289):1-61.Peer-Reviewed Original Research