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 modification
2017
Pregnancy and Lifetime Exposure to Fine Particulate Matter and Infant Mortality in Massachusetts, 2001–2007
Son JY, Lee HJ, Koutrakis P, Bell ML. Pregnancy and Lifetime Exposure to Fine Particulate Matter and Infant Mortality in Massachusetts, 2001–2007. American Journal Of Epidemiology 2017, 186: 1268-1276. PMID: 29121205, PMCID: PMC5860580, DOI: 10.1093/aje/kwx015.Peer-Reviewed Original ResearchConceptsSudden infant death syndrome mortalityInfant mortalityLifetime exposurePM2.5 exposurePostneonatal infant mortalityExtended Cox proportional hazardsCox proportional hazardsInterquartile range increaseTime-dependent covariatesHazard ratioGestational exposureGestational lengthSeason of birthBirth weightMaternal characteristicsShort-term exposureProportional hazardsMortalityPregnancyBirthExposureSupportive evidenceDeathFine particulate matterAerodynamic diameterIs 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