2024
Long-term exposure to PM2.5 and mortality in a national cohort in South Korea: effect modification by community deprivation, medical infrastructure, and greenness
Byun G, Kim S, Choi Y, Kim A, Team A, Lee J, Bell M. Long-term exposure to PM2.5 and mortality in a national cohort in South Korea: effect modification by community deprivation, medical infrastructure, and greenness. BMC Public Health 2024, 24: 1266. PMID: 38720292, PMCID: PMC11080206, DOI: 10.1186/s12889-024-18752-y.Peer-Reviewed Original ResearchConceptsLong-term exposure to PM2.5Exposure to PM2.5Respiratory mortalityCirculatory mortalityEffect of long-term exposure to PM2.5National Health Insurance Service-National Sample CohortLong-term PM2.5 exposureAssociated with respiratory mortalityReduce health disparitiesMedical infrastructureNon-accidentalCommunity-level deprivationCommunity-level factorsCommunity-level characteristicsPotential modifying effectPublic health outcomesNationwide cohort studyIncreased mortality riskCox proportional-hazards modelDeprivation indexHealth disparitiesCommunity deprivationHigh deprivationHealth outcomesEffect modificationHeat and hospital admission via the emergency department for people with intellectual disability, autism, and mental disorders in South Korea: a nationwide, time-stratified, case-crossover study
Park J, Kim A, Bell M, Kim H, Lee W. Heat and hospital admission via the emergency department for people with intellectual disability, autism, and mental disorders in South Korea: a nationwide, time-stratified, case-crossover study. The Lancet Psychiatry 2024, 11: 359-367. PMID: 38631786, DOI: 10.1016/s2215-0366(24)00067-1.Peer-Reviewed Original ResearchConceptsIntellectual disabilityMental disordersMental illnessIdentified intellectual disabilityControl group of peopleExperience of mental illnessAutismICD-10DisordersDisabilitySouth KoreaIllnessIndividualsNational Health Insurance databaseGroup of peopleIncome groupsLow-income statusRural areasAdaptation policiesPeopleFemale individualsControl groupKorean translationED admissionEmergency departmentAssociation 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 ResearchMeSH KeywordsCross-Over StudiesDisabled PersonsFemaleHospitalsHot TemperatureHumansMaleNervous System DiseasesRepublic of KoreaConceptsEmergency 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 FoundationA nationwide time-series analysis for short-term effects of ambient temperature on violent crime in South Korea
Heo S, Choi H, Lee J, Bell M. A nationwide time-series analysis for short-term effects of ambient temperature on violent crime in South Korea. Scientific Reports 2024, 14: 3210. PMID: 38331944, PMCID: PMC10853231, DOI: 10.1038/s41598-024-53547-6.Peer-Reviewed Original ResearchConceptsViolent crime countsViolent crimeCrime countsNational crime dataIncreased violent crimeSouth KoreaPublic health harmsCrime statisticsCrime dataCrime incidentsDomestic violenceIncreased violenceCrimeViolenceHealth harmsPublic safetyPsychological theoriesWestern communitiesClimate changeEmpirical evidenceTemporal resolution dataCoarse temporal resolutionLong-term trendsDaily mean temperatureShort-term effects of ambient temperature
2022
Individual and regional characteristics associated with changes in mental health before and during the COVID-19 pandemic in South Korea
Min J, Kwon D, Lee W, Kang C, Park C, Heo S, Bell M, Kim H. Individual and regional characteristics associated with changes in mental health before and during the COVID-19 pandemic in South Korea. Scientific Reports 2022, 12: 14189. PMID: 35986083, PMCID: PMC9390104, DOI: 10.1038/s41598-022-18493-1.Peer-Reviewed Original ResearchConceptsMental healthCOVID-19 pandemicMajor public health concernPublic health concernMental health outcomesMental health consequencesEpidemiological evidencePhysical activityHealth outcomesHigher household incomeHealth consequencesHealth concernHigher education levelCOVID-19DepressionPositive associationTime trendsPrevalenceHealthEducation levelModerate stressPandemicExtreme stressAssociationHousehold income
2020
COVID-19 in South Korea: epidemiological and spatiotemporal patterns of the spread and the role of aggressive diagnostic tests in the early phase
Lee W, Hwang SS, Song I, Park C, Kim H, Song IK, Choi HM, Prifti K, Kwon Y, Kim J, Oh S, Yang J, Cha M, Kim Y, Bell ML, Kim H. COVID-19 in South Korea: epidemiological and spatiotemporal patterns of the spread and the role of aggressive diagnostic tests in the early phase. International Journal Of Epidemiology 2020, 49: 1106-1116. PMID: 32754756, PMCID: PMC7454567, DOI: 10.1093/ije/dyaa119.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overBetacoronavirusChildChild, PreschoolClinical Laboratory TechniquesCoronavirusCoronavirus InfectionsCOVID-19COVID-19 TestingDiagnostic Tests, RoutineDisease OutbreaksHumansInfantInfant, NewbornMiddle AgedMortalityPandemicsPneumonia, ViralRepublic of KoreaSARS-CoV-2Spatio-Temporal AnalysisConceptsCOVID-19Aggressive diagnostic testsCase fatality rateNovel coronavirus disease (COVID-19) outbreakWidespread diagnostic testingEpidemic doubling timeSevere patientsCoronavirus disease (COVID-19) outbreakPatient care systemsInitial RTFatality rateTreatment policyDiagnostic testingFatality patternsDiagnostic testsDaily reproduction numberCare systemUnprecedented pandemicAggressive testingEarly epidemic phaseMedical resourcesEpidemic phaseEarly phaseDaysDisease outbreaks
2019
Suicide and Ambient Temperature: A Multi-Country Multi-City Study
Kim Y, Kim H, Gasparrini A, Armstrong B, Honda Y, Chung Y, Ng CFS, Tobias A, Íñiguez C, Lavigne E, Sera F, Vicedo-Cabrera AM, Ragettli MS, Scovronick N, Acquaotta F, Chen BY, Guo YL, Seposo X, Dang TN, de Sousa Zanotti Stagliorio Coelho M, Saldiva PHN, Kosheleva A, Zanobetti A, Schwartz J, Bell ML, Hashizume M. Suicide and Ambient Temperature: A Multi-Country Multi-City Study. Environmental Health Perspectives 2019, 127: 117007. PMID: 31769300, PMCID: PMC6927501, DOI: 10.1289/ehp4898.Peer-Reviewed Original ResearchThe Use of a Quasi-Experimental Study on the Mortality Effect of a Heat Wave Warning System in Korea
Heo S, Nori-Sarma A, Lee K, Benmarhnia T, Dominici F, Bell ML. The Use of a Quasi-Experimental Study on the Mortality Effect of a Heat Wave Warning System in Korea. International Journal Of Environmental Research And Public Health 2019, 16: 2245. PMID: 31242672, PMCID: PMC6617315, DOI: 10.3390/ijerph16122245.Peer-Reviewed Original Research
2017
Does a lag-structure of temperature confound air pollution-lag-response relation? Simulation and application in 7 major cities, Korea (1998–2013)
Kim H, Bell ML, Lee JT. Does a lag-structure of temperature confound air pollution-lag-response relation? Simulation and application in 7 major cities, Korea (1998–2013). Environmental Research 2017, 159: 531-538. PMID: 28888197, DOI: 10.1016/j.envres.2017.08.047.Peer-Reviewed Original ResearchIs ambient temperature associated with risk of infant mortality? A multi-city study in Korea
Son JY, Lee JT, Bell ML. Is ambient temperature associated with risk of infant mortality? A multi-city study in Korea. Environmental Research 2017, 158: 748-752. PMID: 28750343, DOI: 10.1016/j.envres.2017.07.034.Peer-Reviewed Original ResearchConceptsOverall hazard ratioHazard ratioInfant mortalityExtended Cox proportional hazardsRisk of mortalityCox proportional hazardsCause of deathCause deathTime-dependent covariatesMaternal characteristicsStratified analysisTotal deathsMother's ageBirth cohortDeath recordsProportional hazardsMortalityDeathPositive associationRiskExposure periodMonthsBirthAgeLimited studies
2015
Does urban land-use increase risk of asthma symptoms?
Son JY, Kim H, Bell ML. Does urban land-use increase risk of asthma symptoms? Environmental Research 2015, 142: 309-318. PMID: 26188632, DOI: 10.1016/j.envres.2015.06.042.Peer-Reviewed Original ResearchConceptsAsthma symptoms