Featured Publications
A Spatially Varying Distributed Lag Model with Application to an Air Pollution and Term Low Birth Weight Study
Warren JL, Luben TJ, Chang HH. A Spatially Varying Distributed Lag Model with Application to an Air Pollution and Term Low Birth Weight Study. Journal Of The Royal Statistical Society Series C (Applied Statistics) 2020, 69: 681-696. PMID: 32595237, PMCID: PMC7319179, DOI: 10.1111/rssc.12407.Peer-Reviewed Original ResearchHealth effect parametersLow birth weight riskTerm low birth weightLow birth weightPregnancy outcomesWeight riskBirth weightResidual confoundingPregnancy periodNull associationBirth recordsAverage weekly concentrationsCritical windowDiminished abilityPregnancyExposure characteristicsRisk estimationAssociationExposureGeographic variability
2024
Preterm and Early-Term Delivery After Heat Waves in 50 US Metropolitan Areas
Darrow L, Huang M, Warren J, Strickland M, Holmes H, Newman A, Chang H. Preterm and Early-Term Delivery After Heat Waves in 50 US Metropolitan Areas. JAMA Network Open 2024, 7: e2412055. PMID: 38787560, PMCID: PMC11127119, DOI: 10.1001/jamanetworkopen.2024.12055.Peer-Reviewed Original ResearchConceptsEarly-term birthPreterm birthCohort studyMetropolitan statistical areasAssociated with pregnancy outcomesEarly-term deliveryRate ratiosRates of pretermYears of ageNational Center for Health StatisticsGestational weeksCenter for Health StatisticsInduced deliveryPregnancy outcomesSingleton birthsPretermSocioeconomically disadvantaged subgroupsUS birthsEligible birthsPerinatal healthEthnic minority groupsBirth recordsConsecutive daysBirthHeat waves
2023
Effects of air pollution on adverse birth outcomes and pregnancy complications in the U.S. state of Kansas (2000–2015)
Hao H, Yoo S, Strickland M, Darrow L, D’Souza R, Warren J, Moss S, Wang H, Zhang H, Chang H. Effects of air pollution on adverse birth outcomes and pregnancy complications in the U.S. state of Kansas (2000–2015). Scientific Reports 2023, 13: 21476. PMID: 38052850, PMCID: PMC10697947, DOI: 10.1038/s41598-023-48329-5.Peer-Reviewed Original ResearchConceptsGestational diabetes mellitusAdverse birth outcomesLow birth weightGestational hypertensionBirth outcomesBirth weightPregnancy complicationsPreterm birthFirst trimesterRisk of GDMMaternal medical complicationsSingleton live birthsWeeks of pregnancyO3 exposureAdverse pregnancyPregnancy exposurePregnancy outcomesDiabetes mellitusMedical complicationsAdverse birthThird trimesterNeonatal mortalityResidential census tractsSocio-economic status factorsDiscrete-time survival