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Alcohol intake and mortality among women with invasive breast cancer
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm , Centre for Clinical Research, County of Västmanland.
2012 (English)In: British Journal of Cancer, ISSN 0007-0920, E-ISSN 1532-1827, Vol. 106, no 3, 592-595 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Alcohol intake has consistently been associated with increased breast cancer incidence in epidemiological studies. However, the relation between alcohol and survival after breast cancer diagnosis is less clear.

METHODS: We investigated whether alcohol intake was associated with survival among 3146 women diagnosed with invasive breast cancer in the Swedish Mammography Cohort. Alcohol consumption was estimated using a food frequency questionnaire. Cox proportional hazard models were used to calculate hazard ratios (HRs) and 95% confidence intervals (95% CIs).

RESULTS: From 1987 to 2008 there were 385 breast cancer-specific deaths and 860 total deaths. No significant association was observed between alcohol intake and breast cancer-specific survival. Women who consumed 10 g per day (corresponding to approximately 0.75 to 1 drinks) or more of alcohol had an adjusted HR (95% CI) of breast cancer-specific death of 1.36 (0.82-2.26; p(trend) = 0.47) compared with non-drinkers. A significant inverse association was observed between alcohol and non-breast cancer deaths. Those who consumed 3.4-9.9 g per day of alcohol had a 33% lower risk of death compared with non-drinkers (95% CI 0.50-0.90; p(trend) = 0.04).

CONCLUSION: Our findings suggest that alcohol intake up to approximately one small drink per day does not negatively impact breast cancer-specific survival and a half drink per day is associated with a decreased risk of mortality from other causes.

Place, publisher, year, edition, pages
2012. Vol. 106, no 3, 592-595 p.
Keyword [en]
alcohol, breast cancer, survival
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-170361DOI: 10.1038/bjc.2011.561ISI: 000300302300022OAI: oai:DiVA.org:uu-170361DiVA: diva2:509079
Available from: 2012-03-12 Created: 2012-03-12 Last updated: 2012-03-12Bibliographically approved

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Bergkvist, Leif
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