Preterm and early-term delivery after heat waves in eight US states: A case-crossover study using the High-resolution Urban Meteorology for Impacts Dataset (HUMID).
Fitch A, Huang M, Strickland M, Newman A, Kalb C, Warren J, Zheng X, Chang H, Darrow L. Preterm and early-term delivery after heat waves in eight US states: A case-crossover study using the High-resolution Urban Meteorology for Impacts Dataset (HUMID). Environmental Health Perspectives 2025 PMID: 40392097, DOI: 10.1289/ehp15953.Peer-Reviewed Original ResearchEarly-term birthEarly-termAssociated with earlier birthEarly-term deliveryPreterm birth ORSingleton pretermPreterm birthPretermPooled ORHeat wavesPooled resultsOdds ratioInverse-variance weightingUrban meteorologyEarly birthBirthImpact datasetsMean temperatureElevated oddsThreshold categoriesVital recordsCase-crossover studyORAcute relationshipsSurface temperature dataHeat Waves and Early Birth: Exploring Vulnerability by Individual‐ and Area‐Level Factors
Fitch A, Huang M, Strickland M, Newman A, Kalb C, Warren J, Kelley S, Zheng X, Chang H, Darrow L. Heat Waves and Early Birth: Exploring Vulnerability by Individual‐ and Area‐Level Factors. GeoHealth 2025, 9: e2025gh001348. PMID: 40271078, PMCID: PMC12015208, DOI: 10.1029/2025gh001348.Peer-Reviewed Original ResearchZip code tabulation areasArea-level factorsEarly term birthSocial deprivationSocial deprivation indexHigh social deprivationTerm birthsCase-crossover designState vital recordsInverse-variance weightingDeprivation indexSocioeconomic disadvantageHealth outcomesMaternal residenceHeat wave exposureMaternal educationVital recordsExposure windowsOdds ratioArea levelIndividual-levelMaternal ageBirth riskPositive associationSchool educationA time-to-event analysis of the association between ambient air pollution and risk of spontaneous abortion using vital records in the U.S. state of Georgia (2005-2014)
Hsiao T, Gaskins A, Warren J, Darrow L, Strickland M, Russell A, Chang H. A time-to-event analysis of the association between ambient air pollution and risk of spontaneous abortion using vital records in the U.S. state of Georgia (2005-2014). American Journal Of Epidemiology 2025, kwaf019. PMID: 39894759, DOI: 10.1093/aje/kwaf019.Peer-Reviewed Original ResearchHazard ratioElemental carbonAmbient air pollution exposurePrenatal exposure windowsExposure to traffic-related pollutionResidential census tractsOrganic carbonEstimate hazard ratiosFetal death recordsRisk of spontaneous abortionAir pollution exposureElevated hazard ratiosAmbient air pollutionTraffic-related pollutantsNitrogen oxidesAir pollution regulationsResidential countyU.S. state of GeorgiaDeath recordsVital recordsCensus tractsTime-to-event analysisExposure windowsPollution exposureDaily concentrations
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