2025
Assessing Mediation in Cross‐Sectional Stepped Wedge Cluster Randomized Trials
Cao Z, Li F. Assessing Mediation in Cross‐Sectional Stepped Wedge Cluster Randomized Trials. Statistics In Medicine 2025, 44: e70175. PMID: 40662697, DOI: 10.1002/sim.70175.Peer-Reviewed Original ResearchConceptsStepped wedge cluster randomized trialSW-CRTsTreatment effect heterogeneityCluster randomized trialSW-CRTBinary mediatorEffect heterogeneityGeneralized linear mixed modelsNatural indirect effectLinear mixed modelsEstimationEffective structureExamplesMixed modelsType combinationsMediation proportionPractical implementation
2023
Mediation analysis in the presence of continuous exposure measurement error
Cheng C, Spiegelman D, Li F. Mediation analysis in the presence of continuous exposure measurement error. Statistics In Medicine 2023, 42: 1669-1686. PMID: 36869626, PMCID: PMC11320713, DOI: 10.1002/sim.9693.Peer-Reviewed Original ResearchConceptsBody mass indexExposure measurement errorPhysical activityMediation proportionHealth Professionals FollowCardiovascular disease incidenceProfessionals FollowMediation analysisMass indexCardiovascular diseaseLower riskStudy designEffect estimatesValidation study designContinuous exposureBiased effect estimatesTrue exposureMediatorsExposureValidation studyBinary outcomesHealth science studiesOutcomesRiskDisease incidence
2022
Is the Product Method More Efficient Than the Difference Method for Assessing Mediation?
Cheng C, Spiegelman D, Li F. Is the Product Method More Efficient Than the Difference Method for Assessing Mediation? American Journal Of Epidemiology 2022, 192: 84-92. PMID: 35921210, PMCID: PMC10144745, DOI: 10.1093/aje/kwac144.Peer-Reviewed Original Research
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