2024
Short-term effects of wildfire-specific fine particulate matter and its carbonaceous components on perinatal outcomes: A multicentre cohort study in New South Wales, Australia
Nyadanu S, Foo D, Pereira G, Mickley L, Feng X, Bell M. Short-term effects of wildfire-specific fine particulate matter and its carbonaceous components on perinatal outcomes: A multicentre cohort study in New South Wales, Australia. Environment International 2024, 191: 109007. PMID: 39278048, DOI: 10.1016/j.envint.2024.109007.Peer-Reviewed Original ResearchConceptsAdjusted hazard ratiosLow 5-min Apgar scoreCarbonaceous componentsPerinatal outcomesOrganic carbonNew South WalesNonvertex presentationCaesarean sectionPositive associationApgar scorePreterm birthBlack carbon componentsShort-term effectsLow socioeconomic statusSouth WalesAdverse perinatal outcomesMulticentre cohort studyWildfire seasonBenefit public healthCox regression modelsIntensive care unitSingleton birthsBlack carbonSocioeconomic statusGestational weeks
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
2017
Is 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
Ambient air pollution and congenital heart defects in Lanzhou, China
Jin L, Qiu J, Zhang Y, Qiu W, He X, Wang Y, Sun Q, Li M, Zhao N, Cui H, Liu S, Tang Z, Chen Y, Yue L, Da Z, Xu X, Huang H, Liu Q, Bell ML, Zhang Y. Ambient air pollution and congenital heart defects in Lanzhou, China. Environmental Research Letters 2015, 10: 074005. PMID: 31555342, PMCID: PMC6760856, DOI: 10.1088/1748-9326/10/7/074005.Peer-Reviewed Original ResearchPatent ductus arteriosusEntire pregnancyCongenital heart defectsMaternal exposureCongenital malformationsHeart defectsCongenital heartFolic acid intakeSingleton live birthsTherapeutic drug usePositive associationAmbient air pollutionDuctus arteriosusSeason of conceptionGreat arteriesSignificant positive associationAcid intakeMaternal ageHealth burdenLive birthsCardiac septumTrimesterDrug usePregnancyLogistic regression
2005
A Meta-Analysis of Time-Series Studies of Ozone and Mortality With Comparison to the National Morbidity, Mortality, and Air Pollution Study
Bell ML, Dominici F, Samet JM. A Meta-Analysis of Time-Series Studies of Ozone and Mortality With Comparison to the National Morbidity, Mortality, and Air Pollution Study. Epidemiology 2005, 16: 436-445. PMID: 15951661, PMCID: PMC3581312, DOI: 10.1097/01.ede.0000165817.40152.85.Peer-Reviewed Original ResearchConceptsTime-series studyShort-term associationsPublication biasNational MorbidityCause-specific mortalityLag 0Meta-analysis resultsPossible publication biasCity-specific estimatesPooled effectRespiratory mortalityMeta-AnalysisTotal mortalityAge groupsMortalityEffect estimatesMorbidityPositive associationNMMAPSInconclusive resultsAir pollution studiesAssociationOzone exposureEvidenceStrong evidence