2025
Critical window of gestational greenspace exposure for the risk of low birth weight
Heo S, Fong K, Son J, Bell M. Critical window of gestational greenspace exposure for the risk of low birth weight. Environmental Research Letters 2025, 20: 094028. PMID: 40822040, PMCID: PMC12355035, DOI: 10.1088/1748-9326/adf86b.Peer-Reviewed Original ResearchGreenspace exposureOdds ratioLow birthweightComplex exposure-response relationshipsInterquartile range increaseRisk of low birth weightWeeks 0Significant ORsGestational weeks 0Zip code levelCase-control studyLow birth weightCritical windowExposure-response relationshipRange increaseMaternal characteristicsBirth dataLogistic regressionBirth weightLate pregnancyPregnancyUS statesBirthweightExposure levelsRiskAssociation between fine particulate matter (PM2.5) and severity of acute respiratory infections among young US children in the major cities in the United States: a claims-based cohort study
Foo D, Regan A, Heo S, Schneider E, Canner J, Song Y, Bell M. Association between fine particulate matter (PM2.5) and severity of acute respiratory infections among young US children in the major cities in the United States: a claims-based cohort study. Open Forum Infectious Diseases 2025, ofaf442. DOI: 10.1093/ofid/ofaf442.Peer-Reviewed Original ResearchShort-term PM2.5 exposurePM2.5 exposureShort-term exposure to fine particulate matterIntensive care unitPrescription claimsClaims-based cohort studyExposure to fine particulate matterInterquartile range increaseAcute respiratory infectionsYoung US childrenChildren aged <5 yearsHealth insurance plansRisk of ICU admissionHospital-admittedLength of stayUS childrenInfluenza vaccination statusRange increasePrivate health insurance plansArea levelSeverity of acute respiratory infectionsHospital admissionCohort studyGeneralized linear modelInsurance plans
2024
Air pollution mixture complexity and its effect on PM2.5-related mortality: A multicountry time-series study in 264 cities
Masselot P, Kan H, Kharol S, Bell M, Sera F, Lavigne E, Breitner S, da Silva S, Burnett R, Gasparrini A, Brook J, Guo Y, Honda Y, Huber V, Jaakkola J, Urban A, Vicedo-Cabrera A, Orru H, Maasikmets M, Pascal M, Schneider A, Katsouyanni K, Samoli E, Diaz M, Arellano E, Rao S, Madureira J, Holobaca I, Tobias A, Íñiguez C, Forsberg B, Ragettli M, Zanobetti A, Schwartz J. Air pollution mixture complexity and its effect on PM2.5-related mortality: A multicountry time-series study in 264 cities. Environmental Epidemiology 2024, 8: e342. PMID: 39483640, PMCID: PMC11527422, DOI: 10.1097/ee9.0000000000000342.Peer-Reviewed Original ResearchDaily PM2.5Toxicity of PM2.5Pollutant mixPM2.5-related mortalityFine particulate matterMeta-regression modelsInterquartile range increaseAdvent of remote sensingParticulate matterAir qualityGaseous pollutantsRange increaseBetween-country heterogeneityPollutionTime-series studyAkaike information criterionAll-Cause MortalityInformation criterionPollutant gasesEffect modificationRelative riskRisk heterogeneityToxicityMixture complexityOxidative capacity
2022
Hourly Air Pollutants and Acute Coronary Syndrome Onset in 1.29 Million Patients
Chen R, Jiang Y, Hu J, Chen H, Li H, Meng X, Ji J, Gao Y, Wang W, Liu C, Fang W, Yan H, Chen J, Wang W, Xiang D, Su X, Yu B, Wang Y, Xu Y, Wang L, Li C, Chen Y, Bell M, Cohen A, Ge J, Huo Y, Kan H. Hourly Air Pollutants and Acute Coronary Syndrome Onset in 1.29 Million Patients. Circulation 2022, 145: 1749-1760. PMID: 35450432, DOI: 10.1161/circulationaha.121.057179.Peer-Reviewed Original ResearchConceptsAir pollutionParticulate matterAir pollutants PM2.5 , PConcentrations of PM2.5Short-term exposure to ambient air pollutionWorld Health Organization air quality guidelinesHourly concentrations of fine particulate matterConcentrations of fine particulate matterExposure to ambient air pollutionAir quality guidelinesCoarse particulate matterFine particulate matterCriteria air pollutantsAmbient air pollutionHourly air pollutionInterquartile range increaseQuality guidelinesHourly concentrationsAcute coronary syndromeCase-crossover studySORange increaseNitrogen dioxidePollutionSulfur dioxide
2021
Do persons with low socioeconomic status have less access to greenspace? Application of accessibility index to urban parks in Seoul, South Korea
Heo S, Nori-Sarma A, Kim S, Lee J, Bell M. Do persons with low socioeconomic status have less access to greenspace? Application of accessibility index to urban parks in Seoul, South Korea. Environmental Research Letters 2021, 16: 084027. DOI: 10.1088/1748-9326/ac12f1.Peer-Reviewed Original Research
2016
Exposure to coarse particulate matter during gestation and birth weight in the U.S.
Ebisu K, Berman JD, Bell ML. Exposure to coarse particulate matter during gestation and birth weight in the U.S. Environment International 2016, 94: 519-524. PMID: 27324566, PMCID: PMC4980266, DOI: 10.1016/j.envint.2016.06.011.Peer-Reviewed Original ResearchConceptsBirth weightResidential countyGestational exposureLow birth weightAdverse birth outcomesInterquartile range increaseImportant health effectsTrimester exposureBirth outcomesPotential confoundersU.S. birthsDifferent exposure methodsHealth effectsPM10-2.5Population-weighted centroidsLinear regression modelsExposureAssociationRegression modelsBirthRange increaseExposure methodTrimesterConfoundersGestation
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