Research Topics
| Hazel B NicholsSummaryAffiliation: Johns Hopkins Bloomberg School of Public Health Country: USA Publications
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Detail Information
Publications
Bilateral oophorectomy in relation to risk of postmenopausal breast cancer: confounding by nonmalignant indications for surgery?Hazel B Nichols
Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 North Wolfe Street, E6139, Baltimore, MD 21205, USA
Am J Epidemiol 173:1111-20. 2011..Results indicate that breast cancer risk reductions conferred by bilateral oophorectomy are not strongly confounded by failure to account for nonmalignant indications for surgery...
Body mass index before and after breast cancer diagnosis: associations with all-cause, breast cancer, and cardiovascular disease mortalityHazel B Nichols
Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
Cancer Epidemiol Biomarkers Prev 18:1403-9. 2009..Factors related to improving outcomes in breast cancer survivors are of increasing public health significance. We examined postdiagnosis weight change in relation to mortality risk in a cohort of breast cancer survivors...
Effects of birth order and maternal age on breast cancer risk: modification by whether women had been breast-fedHazel B Nichols
University of Wisconsin Paul P Carbone Comprehensive Cancer Center, University of Wisconsin, Madison, WI 53726, USA
Epidemiology 19:417-23. 2008..Recent studies have also considered potential health effects associated with exposure to environmental contaminants in breastmilk...
From menarche to menopause: trends among US Women born from 1912 to 1969Hazel B Nichols
University of Wisconsin Comprehensive Cancer Center, Madison, WI 53726, USA
Am J Epidemiol 164:1003-11. 2006..1 years among women born between 1915 and 1919 to 37.7 years among the 1935-1939 cohort (p = 0.0001). These findings have implications for women's lifetime exposure to circulating endogenous hormones...
Change in lifestyle behaviors and medication use after a diagnosis of ductal carcinoma in situBrian L Sprague
Department of Population Health Sciences, University of Wisconsin Madison, Madison, WI 53726, USA
Breast Cancer Res Treat 124:487-95. 2010..These findings indicate that women make substantial changes in their behaviors after a DCIS diagnosis. This cohort will be further monitored to evaluate the association between these behaviors and health outcomes following DCIS...
Cigarette smoking and risk of breast carcinoma in situAmy Trentham-Dietz
University of Wisconsin Paul P Carbone Comprehensive Cancer Center, Madison, Wisconsin 53726, USA
Epidemiology 18:629-38. 2007..Although the associations with cigarette smoking have been explored extensively for invasive breast cancer, the relation to in situ cancer has not previously been examined in depth...
Oral contraceptive use and risk of breast carcinoma in situHazel B Nichols
University of Wisconsin Paul P Carbone Comprehensive Cancer Center, University of Wisconsin, Madison, WI 53726, USA
Cancer Epidemiol Biomarkers Prev 16:2262-8. 2007..16; 95% CI, 1.01-1.32 for ever versus never use). Consistent with invasive breast cancer, these results suggest that oral contraceptive use is at most a minor contributor to BCIS risk...
Postoophorectomy estrogen use and breast cancer riskHazel B Nichols
Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, and the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, USA
Obstet Gynecol 120:27-36. 2012..To estimate whether the protective effect of premenopausal bilateral oophorectomy on breast cancer risk is mitigated by estrogen therapy use after surgery...
Fertility drug use and mammographic breast density in a mammography screening cohort of premenopausal womenBrian L Sprague
Department of Population Health, University of Wisconsin, Madison, WI 53726, USA
Cancer Epidemiol Biomarkers Prev 17:3128-33. 2008..04). Our results indicate no overall association between fertility drug use and mammographic density, but provide evidence that density may be lower in women more recently dispensed a fertility drug...
Oral contraceptive use, reproductive factors, and colorectal cancer risk: findings from WisconsinHazel B Nichols
UW Comprehensive Cancer Center, University of Wisconsin Comprehensive Cancer Center, WARF Building Room 305, 610 Walnut Street, Madison, WI 53726, USA
Cancer Epidemiol Biomarkers Prev 14:1212-8. 2005..No significant associations were observed between colorectal cancer risk and age at menarche or age at menopause. These findings suggest differential roles of reproductive factors in colon and rectal cancer etiology...
What causes cancer? Reports from sixth-grade girlsHazel B Nichols
The University of Wisconsin Comprehensive Cancer Center, Madison, USA
J Cancer Educ 21:142-6. 2006..We evaluated students' perception of cancer causation among sixth-grade girls living in Wisconsin...
Breast cancer risk factors and second primary malignancies among women with breast cancerAmy Trentham-Dietz
Paul P Carbone Comprehensive Cancer Center, University of Wisconsin, Madison, WI 53726, USA
Breast Cancer Res Treat 105:195-207. 2007..To examine the association between breast cancer risk factors and second primary cancers (independent diagnoses occurring at least 12 months after the initial breast cancer diagnosis) among breast cancer survivors...
Differences in breast cancer risk factors by tumor marker subtypes among premenopausal Vietnamese and Chinese womenHazel B Nichols
University of Wisconsin Comprehensive Cancer Center, Madison, WI, USA
Cancer Epidemiol Biomarkers Prev 14:41-7. 2005..Our findings support the hypothesis that some breast cancer risk factors differ by ER and HER-2/neu tumor marker subtypes...
Correlates of age at menarche among sixth grade students in WisconsinAmy Trentham-Dietz
University of Wisconsin Comprehensive Cancer Center, Madison, USA
WMJ 104:65-9. 2005..03) and participated in fewer hours of sporting activity (P=0.08) than students who had not yet reached menarche. These preliminary data suggest that further investigation of the determinants of menarche is both feasible and warranted...
Declining incidence of contralateral breast cancer in the United States from 1975 to 2006Hazel B Nichols
Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
J Clin Oncol 29:1564-9. 2011..Contralateral breast cancer (CBC) is the most frequent new malignancy among women diagnosed with a first breast cancer. Although temporal trends for first breast cancers have been well studied, trends for CBC are not so well established...
