2025
Time-to-event analysis of preterm birth accounting for gestational age uncertainties
Zhang Y, Warren J, Hao H, Chang H. Time-to-event analysis of preterm birth accounting for gestational age uncertainties. The Annals Of Applied Statistics 2025, 19: 2155-2170. DOI: 10.1214/25-aoas2040.Peer-Reviewed Original ResearchTime-varying exposureTime-to-event analysisMCMC algorithmGestational agePreterm birthSimulation studyConvergence assessmentObstetric estimateThird trimesterHealth effect estimatesPreterm birth risk factorsLMP-based gestational ageOverall preterm birth rateBirth risk factorsRisk of preterm birthPopulation-based studyThird trimester of pregnancyJoint estimationAnalysis of preterm birthGestational age misclassificationPreterm birth rateDiscrete-time hazard modelsTrimester of pregnancyOutcome misclassificationSupplementary materials
2015
Assessment of critical exposure and outcome windows in time-to-event analysis with application to air pollution and preterm birth study
Chang HH, Warren JL, Darrow LA, Reich BJ, Waller LA. Assessment of critical exposure and outcome windows in time-to-event analysis with application to air pollution and preterm birth study. Biostatistics 2015, 16: 509-521. PMID: 25572998, PMCID: PMC5963471, DOI: 10.1093/biostatistics/kxu060.Peer-Reviewed Original ResearchConceptsPreterm birthAir pollution exposureGestational air pollution exposureRisk of PTBPollution exposurePreterm Birth StudyCourse of pregnancyTime-varying exposureOngoing pregnancyBirth StudyGestational exposureReproductive epidemiologyWeek 30PregnancyWeekly exposureBirth recordsVulnerable periodPopulation studiesPositive associationCritical periodExposureInconsistent findingsAssociationExposure lengthFine particulate matter
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