2025
Floods and cause-specific mortality in the United States applying a triply robust approach
Chu L, Warren J, Spatz E, Lowe S, Lu Y, Ma X, Ross J, Krumholz H, Chen K. Floods and cause-specific mortality in the United States applying a triply robust approach. Nature Communications 2025, 16: 2853. PMID: 40122917, PMCID: PMC11930965, DOI: 10.1038/s41467-025-58236-0.Peer-Reviewed Original ResearchConceptsCDC's National Center for Health StatisticsNational Center for Health StatisticsCause-specific mortality ratesCenter for Health StatisticsCause-specific mortalityHealth impacts of floodingExcess all-cause deathsLong-term health risksFlood daysLong-term associationDeath recordsHealth StatisticsConfounder adjustmentExternal causesStorm Events DatabaseAll-cause deathHealth impactsImpact of floodsPropensity scorePost‐flood yearMortality rateMyocardial infarctionPost-floodContiguous U.S.Respiratory diseaseShort-term exposure to ambient nitrogen dioxide and fine particulate matter and cause-specific mortality: A causal modeling approach in four regions
Marb A, Ma Y, Nobile F, Dubrow R, Kinney P, Stafoggia M, Chen K, Peters A, Breitner S. Short-term exposure to ambient nitrogen dioxide and fine particulate matter and cause-specific mortality: A causal modeling approach in four regions. Environmental Pollution 2025, 372: 126059. PMID: 40089139, DOI: 10.1016/j.envpol.2025.126059.Peer-Reviewed Original ResearchParticulate matterAir pollutionDaily NO<sub>2</sub> anShort-term air pollution exposureNitrogen dioxideDaily air pollution dataExposure to NO<sub>2</sub>Effects of air pollutionShort-term exposure to NO<sub>2</sub> anFine particulate matterTwo-pollutant modelsExposure to ambient nitrogen dioxideAmbient air pollutionAmbient particulate matterAir pollution dataAir pollution exposureCause-specific mortality ratesAmbient nitrogen dioxideRural populationCause-specific mortalityRespiratory mortality ratesMortality rateCause-specific deathCardiovascular mortality ratesPollution exposure
2024
Association of exposure to extreme rainfall events with cause-specific mortality in North Carolina, US
Chan K, Ban J, Ma Y, Chen K. Association of exposure to extreme rainfall events with cause-specific mortality in North Carolina, US. Environmental Research Letters 2024, 19: 044006. DOI: 10.1088/1748-9326/ad2dd2.Peer-Reviewed Original ResearchCause-specific mortalityExtreme rainfall eventsDaily total precipitationRainfall eventsCounty-level mortality dataNorth Carolina countiesTime-series studyRisk of mortalityDaily rainfall measurementsNon-accidental diseasesNorth CarolinaMortality dataRespiratory mortalityExternal mortalityMortality riskRainfall measurementsTotal precipitationNon-accidentalRace groupsMeta-analysisCardiovascular diseaseRainfallStudy periodTwo-stage analysisNorth
2023
Association of flooding exposure with cause-specific mortality in North Carolina, United States
Ban J, Sutton C, Ma Y, Lin C, Chen K. Association of flooding exposure with cause-specific mortality in North Carolina, United States. Nature Water 2023, 1: 1027-1034. DOI: 10.1038/s44221-023-00167-5.Peer-Reviewed Original ResearchCause-specific mortalityRelative riskAssociated with mortality riskAssociated with higher relative riskCounty-level estimatesTime series designTwo-stage time-series designHigher relative riskNorth CarolinaOlder adultsSeries designDeaths per yearMortality riskMental disordersUnited StatesAccidental mortalityNon-accidentalRisk increaseTotal deathHealth impactsCardiovascular diseaseCounty levelAssociationMortalityRespiratory disease
2021
Associations between short-term ambient ozone exposure and cause-specific mortality in the rural and urban areas of Jiangsu, China
Lin C, Ma Y, Liu R, Ma Z, Zhou L, Jing Y, Bell M, Chen K. Associations between short-term ambient ozone exposure and cause-specific mortality in the rural and urban areas of Jiangsu, China. ISEE Conference Abstracts 2021, 2021 DOI: 10.1289/isee.2021.p-121.Peer-Reviewed Original Research
2017
Impact of climate change on heat-related mortality in Jiangsu Province, China
Chen K, Horton RM, Bader DA, Lesk C, Jiang L, Jones B, Zhou L, Chen X, Bi J, Kinney PL. Impact of climate change on heat-related mortality in Jiangsu Province, China. Environmental Pollution 2017, 224: 317-325. PMID: 28237309, PMCID: PMC5387110, DOI: 10.1016/j.envpol.2017.02.011.Peer-Reviewed Original ResearchConceptsCause-specific mortalityChronic obstructive pulmonary diseaseIschemic heart diseaseSpecific public health interventionsObstructive pulmonary diseaseCause of deathPublic health interventionsHeat-related mortalityPulmonary diseaseHeart diseaseHealth burdenExposure-response functionsGlobal-scale General Circulation ModelsHealth interventionsTotal mortalityNonurban residentsMortalityRural countiesDiseaseNonurban areasFuture heat-related mortalityLittle evidenceMortality estimationHigh heat-related mortalityStroke
2014
Influence of heat wave definitions to the added effect of heat waves on daily mortality in Nanjing, China
Chen K, Bi J, Chen J, Chen X, Huang L, Zhou L. Influence of heat wave definitions to the added effect of heat waves on daily mortality in Nanjing, China. The Science Of The Total Environment 2014, 506: 18-25. PMID: 25460935, DOI: 10.1016/j.scitotenv.2014.10.092.Peer-Reviewed Original ResearchConceptsDifferent heat wave definitionsDisease mortalityChronic obstructive pulmonary disease (COPD) mortalityIschemic heart disease mortalityLag day 2Heart disease mortalityBurden of diseaseCause-specific mortalityDaily mortalityCardiovascular mortalityStroke mortalityEffect modificationHeat wave definitionsStratified analysisRespiratory mortalityDay 2Total mortalityMortalityConsecutive daysHeat warning systemsLower educationDaysAssociationGood model fitCritical role
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