Alcohol consumption and breast cancer-specific and all-cause mortality in women diagnosed with breast cancer at the New York site of the Breast Cancer Family Registry.

For women younger than 50 years of age at baseline with low alcohol consumption (≤ 3 drinks/week), we observed a nearly 70% reduction in risk of overall mortality that was borderline significant after adjusting for confounders, HR <50 : 0.32, 95% CI: 0.10–1.05 ( Fig 1 ) In contrast, compared to non-drinkers, women ≥65 years of age who consumed >3 drinks/week had non-statistically significant 30% increased risk for overall mortality (HR O : 1.38, 95% CI: 0.83–2.30) and a significant two-fold increase in risk for non-breast cancer mortality (HR NBC : 2.42, 95% CI: 1.22–4.82) after adjusting for confounders ( Fig 1 ).

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