2024
Effects of air pollution on emergency room visits for mental disorders: risks and effect modification by comorbid physical disorders and personal characteristics
Yoo E, Roberts J, Chen K. Effects of air pollution on emergency room visits for mental disorders: risks and effect modification by comorbid physical disorders and personal characteristics. Environmental Research Health 2024, 2: 025001. DOI: 10.1088/2752-5309/ad1f3f.Peer-Reviewed Original ResearchComorbid physical disordersMental disordersPhysical disordersPersonal characteristicsEffect modificationER visitsNegatively impact mental healthAssociated with ER visitsPotential effect modificationCase-crossover designPotential moderatorsEffects of air pollutionEmergency room visitsEmergency roomMental healthRespiratory diseaseDisordersLevels of air pollutionStratified analysisRoom visitsEffects of daily changesAir pollutionDemographic characteristicsVisitsPrimary diagnosis
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
2022
Short-term exposure to air pollution and mental disorders: a case-crossover study in New York City
Yoo E, Roberts J, Eum Y, Li X, Chu L, Wang P, Chen K. Short-term exposure to air pollution and mental disorders: a case-crossover study in New York City. Environmental Research Health 2022, 1: 015001. DOI: 10.1088/2752-5309/ac6439.Peer-Reviewed Original ResearchER visitsAir pollution exposureMental disordersShort-term exposureRace/ethnicityPollution exposureAmbient air pollution exposureEmergency room visitsConditional logistic regressionCase-crossover studySingle-day lagsCase-crossover designAge group 19Ambient air pollutionRoom visitsRelative riskPsychotic disordersLogistic regressionNew York CityDaily air pollution exposureSpecific disordersVisitsDisordersPpb increaseGroup 19
2021
Association between extreme temperatures and emergency room visits related to mental disorders: A multi-region time-series study in New York, USA
Yoo EH, Eum Y, Roberts JE, Gao Q, Chen K. Association between extreme temperatures and emergency room visits related to mental disorders: A multi-region time-series study in New York, USA. The Science Of The Total Environment 2021, 792: 148246. PMID: 34144243, DOI: 10.1016/j.scitotenv.2021.148246.Peer-Reviewed Original ResearchConceptsEmergency room visitsER visitsMental disordersRoom visitsShort-term exposurePotential effect modificationMental health disordersSpecific mental disordersPositive associationRace/ethnicityEffect modificationExposure-response curvesStratified analysisLag non-linear modelHealth disordersTime-series studySubstance abuseRisk estimatesAnxiety disordersVisitsDisordersMental diseasesCertain populationsSignificant differencesTime trends