2014
Ambient air pollutant PM10 and risk of preterm birth in Lanzhou, China
Zhao N, Qiu J, Zhang Y, He X, Zhou M, Li M, Xu X, Cui H, Lv L, Lin X, Zhang C, Zhang H, Xu R, Zhu D, Lin R, Yao T, Su J, Dang Y, Han X, Zhang H, Bai H, Chen Y, Tang Z, Wang W, Wang Y, Liu X, Ma B, Liu S, Qiu W, Huang H, Liang J, Chen Q, Jiang M, Ma S, Jin L, Holford T, Leaderer B, Bell ML, Liu Q, Zhang Y. Ambient air pollutant PM10 and risk of preterm birth in Lanzhou, China. Environment International 2014, 76: 71-77. PMID: 25553395, PMCID: PMC4526148, DOI: 10.1016/j.envint.2014.12.009.Peer-Reviewed Original ResearchConceptsPreterm birthEntire pregnancyClinical subtypesUnconditional logistic regression modelingVery preterm birthSingleton live birthsBirth cohort studyLimited epidemiologic studiesMonths of pregnancyExposure time windowsLogistic regression modelingHigh-level exposureHealth policy makersHigh exposure levelsLast 6weeksCohort studyVery pretermRisk factorsLive birthsPM10 exposureEpidemiologic studiesAir pollution levelsPregnancyLevel exposureExposure levels
2013
Household Levels of Nitrogen Dioxide and Pediatric Asthma Severity
Belanger K, Holford TR, Gent JF, Hill ME, Kezik JM, Leaderer BP. Household Levels of Nitrogen Dioxide and Pediatric Asthma Severity. Epidemiology 2013, 24: 320-330. PMID: 23337243, PMCID: PMC3686297, DOI: 10.1097/ede.0b013e318280e2ac.Peer-Reviewed Original ResearchConceptsAsthma severityNight symptomsAsthma morbiditySeverity scoreNO2 exposureHigher asthma severity scoresFrequency of wheezeIndoor NO2 exposurePediatric asthma severityRescue medication useIndoor allergen exposureAsthma severity scoreAdverse respiratory effectsDose-dependent increaseYears of ageInner-city childrenLogistic regression modelsRescue medicationActive asthmaAllergen exposureAsthmatic childrenMedication useRespiratory effectsChildren 5Health outcomes
2012
Effects of Ambient Pollen Concentrations on Frequency and Severity of Asthma Symptoms Among Asthmatic Children
DellaValle CT, Triche EW, Leaderer BP, Bell ML. Effects of Ambient Pollen Concentrations on Frequency and Severity of Asthma Symptoms Among Asthmatic Children. Epidemiology 2012, 23: 55-63. PMID: 22082997, PMCID: PMC3246281, DOI: 10.1097/ede.0b013e31823b66b8.Peer-Reviewed Original ResearchConceptsShortness of breathRescue medication useAsthma maintenance medicationsMaintenance medicationPersistent coughSensitized childrenChest tightnessNight symptomsAsthmatic childrenMedication usePollen exposureSeverity of asthmaDaily respiratory symptomsWeed pollenLogistic regression analysisLow exposureSeparate logistic regression analysesAsthmatic symptomsRespiratory symptomsDaily symptomsAntibiotic useSymptom outcomesDaily ambientMedicationsAmbient pollen concentrations
2009
Household airborne Penicillium associated with peak expiratory flow variability in asthmatic children
Bundy KW, Gent JF, Beckett W, Bracken MB, Belanger K, Triche E, Leaderer BP. Household airborne Penicillium associated with peak expiratory flow variability in asthmatic children. Annals Of Allergy Asthma & Immunology 2009, 103: 26-30. PMID: 19663123, PMCID: PMC2746059, DOI: 10.1016/s1081-1206(10)60139-1.Peer-Reviewed Original ResearchConceptsPeak expiratory flow variabilityExpiratory flow variabilityAsthmatic childrenAirway hyperreactivityPeak expiratory flowYears of ageLogistic regression modelsAsthma prevalencePhysician diagnosisExpiratory flowChildren 6HyperreactivityChildrenAirborne mold concentrationsRegression modelsAgeCommon moldsIndoor fungiExposureMold concentrationsHomeAsthmaAirborne fungiTotal moldPrevalenceSymptoms and Medication Use in Children with Asthma and Traffic-Related Sources of Fine Particle Pollution
Gent JF, Koutrakis P, Belanger K, Triche E, Holford TR, Bracken MB, Leaderer BP. Symptoms and Medication Use in Children with Asthma and Traffic-Related Sources of Fine Particle Pollution. Environmental Health Perspectives 2009, 117: 1168-1174. PMID: 19654929, PMCID: PMC2717146, DOI: 10.1289/ehp.0800335.Peer-Reviewed Original ResearchMeSH KeywordsAnti-Asthmatic AgentsAsthmaChildChild, PreschoolFemaleHumansLogistic ModelsMaleParticle SizeParticulate MatterVehicle EmissionsConceptsMedication useInhaler useLikelihood of wheezeExacerbation of asthmaMeasures logistic regression modelsRisk of symptomsRespiratory health effectsYears of ageHealth outcomes riskLikelihood of symptomsLogistic regression modelsAsthma 4Outcome riskAsthmaHealth outcomesDaily exposureSymptomsHealth effectsStudy diariesParticle exposureHealth impactsChildrenPublic healthExposureRegression models
1996
Asthma among Puerto Rican Hispanics: a multi-ethnic comparison study of risk factors.
Beckett W, Belanger K, Gent J, Holford T, Leaderer B. Asthma among Puerto Rican Hispanics: a multi-ethnic comparison study of risk factors. American Journal Of Respiratory And Critical Care Medicine 1996, 154: 894-899. PMID: 8887582, DOI: 10.1164/ajrccm.154.4.8887582.Peer-Reviewed Original ResearchConceptsRisk factorsPuerto Rican HispanicsSocioeconomic statusHispanic ethnicityHispanic mothersEnvironmental tobacco smoke exposureIndependent risk factorPhysician-diagnosed asthmaPrevalence of asthmaTobacco smoke exposureStrong risk factorAfrican American ethnicityEnvironmental risk factorsYr of ageLow socioeconomic statusStudy of asthmaNon-Hispanic whitesMo of ageActive smokingAsthmatic childrenSmoke exposureChildhood asthmaCigarette smokersMaternal ageMaternal history