2025
Heterogeneous associations between short-term ambient ozone exposure and morbidities from infants to seniors: A nationwide case-crossover study in South Korea
Ahn S, Kang C, Oh J, Yun H, Ahn S, Kim A, Kwon D, Park J, Jang H, Kim E, Bell M, Kim H, Lee W. Heterogeneous associations between short-term ambient ozone exposure and morbidities from infants to seniors: A nationwide case-crossover study in South Korea. Journal Of Hazardous Materials Advances 2025, 17: 100531. DOI: 10.1016/j.hazadv.2024.100531.Peer-Reviewed Original ResearchED admissionMental disordersWarm-season ozoneTargeted public health policiesCase-crossover designNational Health Insurance databaseCase-crossover studyMiddle-aged populationPublic health policiesIndividuals aged 0Health Insurance DatabaseED admission dataHealth policyExcess riskRespiratory diseaseAmbient ozoneAmbient ozone exposureShort-term ozoneEmergency departmentAdmission dataAdmission costsInsurance DatabaseAged 0Heterogeneous associationsAdult age
2024
PM2.5 and hospitalizations through the emergency department in people with disabilities: a nationwide case-crossover study in South Korea
Park J, Kim A, Bell M, Al-Aly Z, Ahn S, Kim S, Kwon D, Kang C, Oh J, Kim H, Lee W. PM2.5 and hospitalizations through the emergency department in people with disabilities: a nationwide case-crossover study in South Korea. The Lancet Regional Health - Western Pacific 2024, 53: 101256. PMID: 39720665, PMCID: PMC11667189, DOI: 10.1016/j.lanwpc.2024.101256.Peer-Reviewed Original ResearchED admissionImpacts of PM<sub>2.5</sub>Emergency departmentRisk estimatesBrain lesion disordersClaim-based dataKorean National Health Insurance databaseNational Health Insurance databaseCase-crossover designCase-crossover studyHealth Insurance DatabaseTargeted action plansOdds ratioInsurance DatabaseMental disabilitiesDisabilityGenitourinary diseasesAdmission casesAdmissionIntellectual disabilityAction planHospitalPeopleDepartmentRiskAssociation between heat and hospital admissions in people with disabilities in South Korea: a nationwide, case-crossover study
Park J, Kim A, Kim Y, Choi M, Yoon T, Kang C, Kang H, Oh J, Bell M, Kim H, Lee W. Association between heat and hospital admissions in people with disabilities in South Korea: a nationwide, case-crossover study. The Lancet Planetary Health 2024, 8: e217-e224. PMID: 38580423, DOI: 10.1016/s2542-5196(24)00027-5.Peer-Reviewed Original ResearchConceptsEmergency department admissionsBrain lesion disordersCase-crossover studyPhysical disabilityOdds ratioCase-crossover designSample Cohort databaseConditional logistic regressionAssociated with increased riskExcess medical costsNon-disabled populationSevere physical disabilitiesHearing lossEnvironmental heat exposureCohort databaseHospital admissionMental disordersLogistic regressionMedical costsDisabilityAdmissionAction planHigh heat risksKorean Ministry of EducationNational Research Foundation
2022
Association between Short-Term Exposure to Air Pollution and COVID-19 Mortality: A Population-Based Case-Crossover Study Using Individual-Level Mortality Registry Confirmed by Medical Examiners
Kim H, Samet J, Bell M. Association between Short-Term Exposure to Air Pollution and COVID-19 Mortality: A Population-Based Case-Crossover Study Using Individual-Level Mortality Registry Confirmed by Medical Examiners. Environmental Health Perspectives 2022, 130: 117006. PMID: 36367781, PMCID: PMC9651183, DOI: 10.1289/ehp10836.Peer-Reviewed Original ResearchConceptsCOVID-19 mortalityShort-term exposureCOVID-19Cook County Medical Examiner's OfficeTime-stratified case-crossover designCounty Medical Examiner's OfficeRisk of mortalityCase-crossover studyInterquartile range increaseLocation of deathCase-crossover analysisCase-crossover designDay of deathIndications of modificationMedical Examiner's OfficeAmbient air pollutionCOVID-19 deathsRace/ethnicityComorbid conditionsMortality registryPotential confoundersMortality burdenIQR increaseEpidemiological studiesMortality