2014
Asthma medication use during pregnancy, wheeze and estimated exposure to ambient nitrogen dioxide
Gent JF, Kezik JM, Hill ME, McKay LA, Holford TR, Leaderer BP, Bracken MB. Asthma medication use during pregnancy, wheeze and estimated exposure to ambient nitrogen dioxide. European Respiratory Journal 2014, 45: 538-540. PMID: 25537555, PMCID: PMC4331059, DOI: 10.1183/09031936.00161514.Peer-Reviewed Original ResearchConceptsAsthma medication useMedication usePregnant womenRisk of wheezePoor pulmonary functionAdverse health outcomesPregnant asthmaticsAsthma exacerbationsAsthma medicationsPerinatal complicationsPulmonary functionFetal growthHealth outcomesPregnancyNO2 exposureWheezeAsthmaMedicationsWomenAmbient nitrogen dioxideMothersMinimal effectExposureAsthmaticsExacerbation
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
Household mold and dust allergens: Exposure, sensitization and childhood asthma morbidity
Gent JF, Kezik JM, Hill ME, Tsai E, Li DW, Leaderer BP. Household mold and dust allergens: Exposure, sensitization and childhood asthma morbidity. Environmental Research 2012, 118: 86-93. PMID: 22863552, PMCID: PMC3604733, DOI: 10.1016/j.envres.2012.07.005.Peer-Reviewed Original ResearchConceptsRisk of wheezeSpecific allergen sensitizationRescue medication useChildhood asthma morbidityAsthma severity scoreMedication useAllergen sensitizationPersistent coughAsthma morbiditySeverity scoreHigher asthma severity scoresCommon household allergensCommon indoor allergensFel d 1Der p 1Asthma exacerbationsAllergen exposureLevel of exposureAsthmatic childrenDer pAllergy testingIndoor allergensSchool-aged childrenPet allergensDust allergensEffects 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
Symptoms 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 ResearchConceptsMedication 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
2001
Use of Health Services by Insurance Status Among Children With Asthma
Ortega A, Belanger K, Paltiel A, Horwitz S, Bracken M, Leaderer B. Use of Health Services by Insurance Status Among Children With Asthma. Medical Care 2001, 39: 1065-1074. PMID: 11567169, DOI: 10.1097/00005650-200110000-00004.Peer-Reviewed Original ResearchConceptsPrimary care visitsHealth care useEmergency departmentInsurance statusCare visitsAsthmatic childrenMedication useCare useAsthma-related risk factorsRoutine primary care visitsProspective cohort studyHealth care visitsHealth care utilizationChildhood asthma severityPatient-provider communicationWhite childrenMedical DictionaryNew England hospitalsRace/ethnicityAsthma specialistCohort studyMedicaid childrenAsthma severityIndependent predictorsCare utilizationA childhood asthma severity scale: symptoms, medications, and health care visits
Ortega A, Belanger K, Bracken M, Leaderer B. A childhood asthma severity scale: symptoms, medications, and health care visits. Annals Of Allergy Asthma & Immunology 2001, 86: 405-413. PMID: 11345283, DOI: 10.1016/s1081-1206(10)62486-6.Peer-Reviewed Original ResearchConceptsHealth care visitsChildhood asthma severityCare visitsAsthma severityLarge-scale epidemiologic studiesAsthma severity scaleMedication useSeverity ScaleEpidemiologic studiesHome interviewsProspective cohort studyHealth care utilizationCohort studyAsthmatic childrenCare utilizationDaily symptomsInsurance statusConnecticut hospitalsGeneral populationClinimetric propertiesClinimetric validityMaternal educationClinical diagnosisParticipant characteristicsSymptoms