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 education
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