2001
Lactation and breast cancer risk: a case–control study in Connecticut
Zheng T, Holford T, Mayne S, Owens P, Zhang Y, Zhang B, Boyle P, Zahm S. Lactation and breast cancer risk: a case–control study in Connecticut. British Journal Of Cancer 2001, 84: 1472-1476. PMID: 11384096, PMCID: PMC2363665, DOI: 10.1054/bjoc.2001.1793.Peer-Reviewed Original ResearchConceptsBreast cancer riskBreast cancerCancer riskIncident breast cancer casesMajor risk factorCase-control studyBreast cancer casesRisk reductionMenopausal statusParous womenPostmenopausal womenInverse associationRisk factorsCancer casesStudy interviewersFurther stratificationFirst childWomenStructured questionnaireLifetime durationCancerRiskLactationChildrenBreastfeeding
2000
Exposure to Electromagnetic Fields from Use of Electric Blankets and Other In-Home Electrical Appliances and Breast Cancer Risk
Zheng T, Holford T, Mayne S, Owens P, Zhang B, Boyle P, Carter D, Ward B, Zhang Y, Zahm S. Exposure to Electromagnetic Fields from Use of Electric Blankets and Other In-Home Electrical Appliances and Breast Cancer Risk. American Journal Of Epidemiology 2000, 151: 1103-1111. PMID: 10873135, DOI: 10.1093/oxfordjournals.aje.a010154.Peer-Reviewed Original ResearchConceptsBreast cancer riskCancer riskOdds ratioAge frequency-matched controlsIncident breast cancer patientsElectric blanketFrequency-matched controlsAdjusted odds ratioBreast cancer patientsEstrogen receptor statusFemale breast cancerCase-control studyDuration of useReceptor statusCancer patientsNever usersBreast cancerStudy interviewersRegular useLifetime useRiskStructured questionnaireExposureTotal