Published, Version of Record (VoR)CC BY V4.0, Open
Abstract
Life Sciences & Biomedicine Oncology Science & Technology
Background: Tobacco smoke exposure may be associated with increased breast cancer risk, although the evidence supporting the association is inconclusive. We conducted a case-control study in Delaware, incorporating detailed exposure assessment for active and secondhand smoke at home and in the workplace.
Methods: Primary invasive breast cancer cases diagnosed among female Delaware residents, ages 40 -79, in 2000-2002 were identified through the Delaware cancer registry ( n = 287). Delaware drivers license and Health Care Finance Administration records were used to select age frequency-matched controls for women < 65 and >= 65, respectively. Detailed information on tobacco smoke exposure was obtained through telephone interviews.
Results: A statistically significant increased risk of breast cancer was observed for ever having smoked cigarettes ( odds ratio = 1.43, 95% confidence interval = 1.03 - 1.99). However, there was no evidence of a dose-response relationship between breast cancer risk and total years smoked, cigarettes per day, or pack-years. Neither residential nor workplace secondhand smoke exposure was associated with breast cancer. Recalculations of active smoking risks using a purely unexposed reference group of women who were not exposed to active or secondhand smoking did not indicate increased risks of breast cancer.
Conclusion: These findings do not support an association between smoking and breast cancer.
Case-control study of tobacco smoke exposure and breast cancer risk in Delaware
Creators
Dana E. Rollison - Moffitt Cancer Center
Ross C. Brownson - Department of Community Health and Prevention Research Center, Saint Louis University School of Public Health, St Louis, USA
H. Leroy Hathcock - Delaware Division of Public Health
Craig J. Newschaffer - Drexel University
Publication Details
BMC cancer, v 8(1), pp 157-157
Publisher
Springer Nature
Number of pages
9
Grant note
2 T32 CA093-14-19 / NCI NIH HHS; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Cancer Institute (NCI)
T32CA009314 / NATIONAL CANCER INSTITUTE; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Cancer Institute (NCI)
Resource Type
Journal article
Language
English
Academic Unit
A.J. Drexel Autism Institute
Web of Science ID
WOS:000256848100001
Scopus ID
2-s2.0-45449097874
Other Identifier
991019168387304721
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