2025
Long-term drought and risk of infant mortality in Africa: A cross-sectional study
Wang P, Rogne T, Warren J, Asare E, Akum R, Toure N, Ross J, Chen K. Long-term drought and risk of infant mortality in Africa: A cross-sectional study. PLOS Medicine 2025, 22: e1004516. PMID: 39888958, PMCID: PMC11785314, DOI: 10.1371/journal.pmed.1004516.Peer-Reviewed Original ResearchConceptsRisk of infant mortalityInfant mortality riskCross-sectional studyInfant mortalityMortality riskIncreased risk of infant mortalityIncreased risk of neonatal mortalityIncreased riskRisk of neonatal mortalityHealth Surveys ProgramPost-neonatal mortalityCox regression modelsStatistically significant associationChild healthGlobal burdenNon-casesNeonatal mortalitySignificant associationImpact mortalityNon-exposureSurvival periodRegression modelsPregnancyMortalityHealth
2024
Short-Term Exposure to Fine Particulate Matter and Nitrogen Dioxide and Mortality in 4 Countries
Ma Y, Nobile F, Marb A, Dubrow R, Stafoggia M, Breitner S, Kinney P, Chen K. Short-Term Exposure to Fine Particulate Matter and Nitrogen Dioxide and Mortality in 4 Countries. JAMA Network Open 2024, 7: e2354607. PMID: 38427355, PMCID: PMC10907920, DOI: 10.1001/jamanetworkopen.2023.54607.Peer-Reviewed Original ResearchConceptsShort-term exposure to air pollutionExposure to air pollutionFine particulate matterCross-sectional studyAir pollutionFixed-effects modelParticulate matterShort-term exposure to PM2.5Short-term exposure to fine particulate matterNO2 concentrationsExposure to fine particulate matterMortality rateNitrogen dioxideSignificant effect modificationDaily PM2.5 concentrationsTime-varying confoundersExposure to PM2.5Health outcomesEstimate associationsMortality dataEffect modificationPM2.5 concentrationsMain OutcomesDay-to-dayCentral-southern Italy
2023
Floods and Diarrhea Risk in Young Children in Low- and Middle-Income Countries
Wang P, Asare E, Pitzer V, Dubrow R, Chen K. Floods and Diarrhea Risk in Young Children in Low- and Middle-Income Countries. JAMA Pediatrics 2023, 177: 1206-1214. PMID: 37782513, PMCID: PMC10546297, DOI: 10.1001/jamapediatrics.2023.3964.Peer-Reviewed Original ResearchConceptsMiddle-income countriesDiarrhea riskOdds ratioMAIN OUTCOMEMixed-effects logistic regression modelRisk of diarrheaCross-sectional studyHigher odds ratioPrevalence of diarrheaLogistic regression modelsHealth survey programUnexposed childrenEffect modificationChild healthDiarrhea prevalenceSurvey clustersSignificant associationHygiene practicesFourth weekWeeksStrong associationRandom interceptYoung childrenChildrenDiarrheaLong-Term Exposure to Fine Particulate Matter and Academic Performance Among Children in North Carolina
Lam P, Zang E, Chen D, Liu R, Chen K. Long-Term Exposure to Fine Particulate Matter and Academic Performance Among Children in North Carolina. JAMA Network Open 2023, 6: e2340928. PMID: 37906198, PMCID: PMC10618843, DOI: 10.1001/jamanetworkopen.2023.40928.Peer-Reviewed Original ResearchAssessment of Regional Nursing Home Preparedness for and Regulatory Responsiveness to Wildfire Risk in the Western US
Festa N, Throgmorton K, Davis-Plourde K, Dosa D, Chen K, Zang E, Kelly J, Gill T. Assessment of Regional Nursing Home Preparedness for and Regulatory Responsiveness to Wildfire Risk in the Western US. JAMA Network Open 2023, 6: e2320207. PMID: 37358851, PMCID: PMC10293909, DOI: 10.1001/jamanetworkopen.2023.20207.Peer-Reviewed Original ResearchConceptsCross-sectional studyNursing homesNursing home characteristicsMean survival timeUS nursing homesGreater mean numberPrimary outcomeUS CentersExposure statusMAIN OUTCOMEElevated riskSurvival timeSurvival analysisPresence of deficienciesMore deficienciesRisk statusEmergency preparednessHome characteristicsMean numberRiskPreparedness standardsDeficiencyResponsivenessHigh percentageOutcomes
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