2025
Nonparametric Estimation of the Potential Impact Fraction and the Population Attributable Fraction With Individual‐Level and Aggregated Data
Chan C, Zepeda‐Tello R, Camacho‐García‐Formentí D, Cudhea F, Meza R, Rodrigues E, Spiegelman D, Barrientos‐Gutierrez T, Zhou X. Nonparametric Estimation of the Potential Impact Fraction and the Population Attributable Fraction With Individual‐Level and Aggregated Data. Statistics In Medicine 2025, 44: e70214. PMID: 40798868, DOI: 10.1002/sim.70214.Peer-Reviewed Original ResearchConceptsDistributional assumptionsFinite sample performanceImpact of distributional assumptionsPotential impact fractionNonparametric estimationSample performanceDistributional violationsPopulation attributable fractionImpact fractionNonparametric methodsSimulation studyContinuous exposure dataPopulation impact fractionsAttributable fractionSugar-sweetened beverage consumptionIncidence of type 2 diabetesAssumptionsExposure distributionEstimationAggregate dataBeverage consumptionNonparametricType 2 diabetesIndividual-levelTarget population
2021
A Bayesian approach for estimating the partial potential impact fraction with exposure measurement error under a main study/internal validation design
Chen X, Chang J, Spiegelman D, Li F. A Bayesian approach for estimating the partial potential impact fraction with exposure measurement error under a main study/internal validation design. Statistical Methods In Medical Research 2021, 31: 404-418. PMID: 34841964, DOI: 10.1177/09622802211060514.Peer-Reviewed Original ResearchConceptsPotential impact fractionImpact fractionExposure measurement errorHealth professionalsStudy designColorectal cancer incidenceValidation study designBurden of diseaseRisk factorsCancer incidenceHealth StudyDisease casesPublic health studiesRed meatContinuous exposureExposureProfessionalsIncidenceReclassification approachValidation designDiseaseIntake
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