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 variabilityAssessment 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
2024
High ambient temperature in pregnancy and risk of childhood acute lymphoblastic leukaemia: an observational study
Rogne T, Wang R, Wang P, Deziel N, Metayer C, Wiemels J, Chen K, Warren J, Ma X. High ambient temperature in pregnancy and risk of childhood acute lymphoblastic leukaemia: an observational study. The Lancet Planetary Health 2024, 8: e506-e514. PMID: 38969477, PMCID: PMC11260908, DOI: 10.1016/s2542-5196(24)00121-9.Peer-Reviewed Original ResearchConceptsRisk of childhood acute lymphoblastic leukemiaChildhood acute lymphoblastic leukemiaAcute lymphoblastic leukemiaLymphoblastic leukemiaLatino childrenNon-Latino white childrenAssociated with risk of adverse pregnancy outcomesCalifornia Cancer RegistryRisk of acute lymphoblastic leukemiaCalifornia birth recordsRisk of adverse pregnancy outcomesPre-pregnancy periodAssociated with riskBayesian meta-regressionNational Institutes of HealthCancer RegistryCases of childhood acute lymphoblastic leukemiaNational Center for Advancing Translational SciencesAdverse pregnancy outcomesAcute lymphoblastic leukemia casesInstitutes of HealthInvestigation of mechanistic pathwaysBirth recordsGestational weeks 8Pre-pregnancyPreterm 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
Season of Conception and Risk of Cerebral Palsy
Zhuo H, Ritz B, Warren J, Liew Z. Season of Conception and Risk of Cerebral Palsy. JAMA Network Open 2023, 6: e2335164. PMID: 37738049, PMCID: PMC10517373, DOI: 10.1001/jamanetworkopen.2023.35164.Peer-Reviewed Original ResearchConceptsCerebral palsySeason of conceptionCalifornia birth recordsCohort studyPreterm birthRelative riskBirth recordsRisk of CPStatewide cohort studyEtiological risk factorsHigher Social Vulnerability IndexLength of gestationDiagnostic recordsNeighborhood-level factorsSummer conceptionsRisk factorsStratified analysisLive birthsMAIN OUTCOMEHigh riskCP riskPoisson regressionCP statusDevelopmental servicesNeuromotor disabilities