1998
Spontaneous Abortion and Exposure to Electric Blankets and Heated Water Beds
Belanger K, Leaderer B, Hellenbrand K, Holford T, McSharry J, Power M, Bracken M. Spontaneous Abortion and Exposure to Electric Blankets and Heated Water Beds. Epidemiology 1998, 9: 36-42. PMID: 9430266, DOI: 10.1097/00001648-199801000-00009.Peer-Reviewed Original ResearchConceptsElectric blanket useSpontaneous abortionPregnancy lossBlanket useEarly pregnancy lossHeated water bedsTime of conceptionMonth of conceptionWire code categoriesWeeks' gestationProspective studyEarly pregnancyUnadjusted analysesBed useGreater riskPregnancyAbortionDose responseWomenRiskElectric bedElectric blanketExposureSlight increaseGestation
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
1992
Risk Factors Predicting the Incidence of Second Primary Breast Cancer among Women Diagnosed with a First Primary Breast Cancer*
Bernstein J, Thompson W, Risch N, Holford T. Risk Factors Predicting the Incidence of Second Primary Breast Cancer among Women Diagnosed with a First Primary Breast Cancer*. American Journal Of Epidemiology 1992, 136: 925-936. PMID: 1456269, DOI: 10.1093/oxfordjournals.aje.a116565.Peer-Reviewed Original ResearchConceptsFirst primary breast cancerPrimary breast cancerSecond primary breast cancerContralateral breast cancerBreast cancerRisk factorsInitial tumorIncidence rateFirst primaryFirst prospective cohort studyAge-specific incidence ratesDirect patient interviewProspective cohort studySteroid Hormone StudySecond breast cancerEnd Results ProgramBenign breast biopsyProportional hazards modelSpecific risk factorsCohort studyTumor characteristicsLobular carcinomaResults ProgramPatient interviewsTreatment modalities
1985
Risk Factors for Fibrocystic Breast Disease and Its Histopathologic Components2
Berkowitz G, Kelsey J, LiVolsi V, Holford T, Merino M, Ort S, O'Connor T, White C. Risk Factors for Fibrocystic Breast Disease and Its Histopathologic Components2. Journal Of The National Cancer Institute 1985, 75: 43-50. PMID: 3859695, DOI: 10.1093/jnci/75.1.43.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBreast NeoplasmsConnecticutFemaleFibrocystic Breast DiseaseHumansHyperplasiaJewsMenopauseMiddle AgedParityRiskSmokingSocioeconomic FactorsConceptsFibrocystic breast diseaseBenign breast diseaseBreast diseaseHigher socioeconomic statusOdds ratioLow Quetelet's indexSocioeconomic statusBreast cancer patientsCase-control studyEpidemiologic similaritiesCurrent smokersPostmenopausal womenPremenopausal womenEpithelial atypiaGross cystsFibrocystic diseaseCancer patientsPapillary hyperplasiaQuetelet indexBiopsy specimensRisk factorsSurgical conditionsConnecticut hospitalsLow parityBreast cancer
1983
Physical activity and the risk of spontaneous preterm delivery.
Berkowitz G, Kelsey J, Holford T, Berkowitz R. Physical activity and the risk of spontaneous preterm delivery. The Journal Of Reproductive Medicine 1983, 28: 581-8. PMID: 6631844.Peer-Reviewed Original ResearchConceptsPreterm deliveryPhysical activityLeisure-time physical activityYale-New Haven HospitalSingleton preterm infantsSingleton term infantsSpontaneous preterm deliveryPossible risk factorsModerate physical activityCase-control studyEpidemiologic case-control studyPhysical fitness exercisesPreterm infantsTerm infantsRisk factorsStudy groupPregnancyInfantsRiskFitness exercisesDeliveryMothersChild careQuestionnaire responsesHospital