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
2005
Indoor nitrous acid and respiratory symptoms and lung function in adults
Jarvis D, Leaderer B, Chinn S, Burney P. Indoor nitrous acid and respiratory symptoms and lung function in adults. Thorax 2005, 60: 474. PMID: 15923247, PMCID: PMC1747426, DOI: 10.1136/thx.2004.032177.Peer-Reviewed Original ResearchConceptsLung functionRespiratory symptomsHealth effectsIndoor NO2Lower lung functionMore respiratory symptomsNon-significant increaseFEV1/Expiratory volumeVital capacityRelevant confoundersSecond percentageEpidemiological studiesSignificant associationSymptomsHome levelAssociationAdultsOutdoor levelsHigh levelsLevelsFailureConfoundersMonths
2000
Model for the Analysis of Binary Time Series of Respiratory Symptoms
Zhang H, Triche E, Leaderer B. Model for the Analysis of Binary Time Series of Respiratory Symptoms. American Journal Of Epidemiology 2000, 151: 1206-1215. PMID: 10905533, DOI: 10.1093/oxfordjournals.aje.a010171.Peer-Reviewed Original ResearchConceptsDuration of symptomsRespiratory symptomsNew episodesStuffy nosePrior historyHistory of allergyDaily respiratory symptomsInfant Health StudyMeteorologic changesHealth StudySymptomsEpidemiologic researchDay careMarital statusIncidenceEnvironmental epidemiologic researchEpisodesMothersDurationSulfate levelsHusband's levelDemographic variablesNoseHigh levelsAllergy
1989
Lower respiratory symptoms in children exposed to nitrogen dioxide from unvented combustion sources
Berwick M, Leaderer B, Stolwijk J, Zagraniski R. Lower respiratory symptoms in children exposed to nitrogen dioxide from unvented combustion sources. Environment International 1989, 15: 369-373. DOI: 10.1016/0160-4120(89)90050-0.Peer-Reviewed Original ResearchProspective epidemiologic studiesRespiratory symptomsRespiratory illnessIndoor air contaminant levelsRespiratory healthEpidemiologic studiesSubjects' homesExposure classificationStudy designSocioeconomic statusTwo-week periodYoung childrenNitrogen dioxide levelsChildrenAgeUnvented combustion sourcesNitrogen dioxideSymptomsIllnessWeeks
1986
A Study of Respiratory Effects from Exposure to 2 ppm Formaldehyde in Healthy Subjects
Schachter E, Witek T, Tosun T, Leaderer B, Beck G. A Study of Respiratory Effects from Exposure to 2 ppm Formaldehyde in Healthy Subjects. Archives Of Environmental & Occupational Health 1986, 41: 229-239. PMID: 3767432, DOI: 10.1080/00039896.1986.9938338.Peer-Reviewed Original ResearchConceptsHealthy subjectsUpper airwaySeparate daysMaximal flow-volume curvesLower airway symptomsFlow-volume curvesAirway responsesAirway symptomsPulmonary functionRespiratory symptomsSignificant bronchoconstrictionLung functionSymptom diaryAirway resistanceIrritative phenomenaModerate exercisePhysiologic alterationsRespiratory effectsSubjective complaintsBaseline responsivenessFA exposureHealthy individualsIrritative propertiesRespiratory systemSuch exposureControlled human studies on the pulmonary effects of indoor air pollution: Experiences with sulful dioxide and formaldehyde
Witek T, Schachter E, Tosun T, Leaderer B, Beck G. Controlled human studies on the pulmonary effects of indoor air pollution: Experiences with sulful dioxide and formaldehyde. Environment International 1986, 12: 129-135. DOI: 10.1016/0160-4120(86)90023-1.Peer-Reviewed Original Research
1985
Respiratory symptoms associated with sulfur dioxide exposure
Witek T, Schachter E, Beck G, Cain W, Colice G, Leaderer B. Respiratory symptoms associated with sulfur dioxide exposure. International Archives Of Occupational And Environmental Health 1985, 55: 179-183. PMID: 3988360, DOI: 10.1007/bf00378381.Peer-Reviewed Original ResearchConceptsAsthmatic subjectsHealthy subjectsDose-dependent bronchoconstrictionLower airway symptomsUpper airway complaintsSeverity of complaintsLower respiratory complaintsSulfur dioxide exposureAirway complaintsAirway symptomsChest tightnessRespiratory symptomsRespiratory complaintsClinical significanceSymptomsComplaintsAsthmaticsSubjective responsesSensitive individualsSubjectsExposureLevels of SO2DyspneaBronchoconstrictionSeverity