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Table 3 Multivariable adjusteda HR and 95% CI for mortality risk associated with wine, beer, or liquor consumption from age 15 years until breast cancer diagnosis

From: Pre-diagnosis alcohol consumption and mortality risk among black women and white women with invasive breast cancer

  Person-years Breast cancer-specific mortality Mortality due to causes other than breast cancer All-cause mortality
No. Death HR (95% CI) No. Death HR (95% CI) No. Death HR (95% CI)
Non-drinkers 14,468 382 Referent 87 Referent 469 Referent
Wine, average drinks/week
  < 1 9353 191 0.97 (0.78–1.19) 43 0.83 (0.56–1.23) 234 0.92 (0.77–1.11)
 1–< 3 5106 80 0.78 (0.60–1.03) 30 1.04 (0.67–1.61) 110 0.83 (0.66–1.04)
  ≥ 3 2560 35 0.76 (0.53–1.11) 9 0.58 (0.29–1.20) 44 0.73 (0.53–1.01)
Ptrend    0.06   0.27   0.04
Beer, average drinks/week
  < 1 7652 143 0.82 (0.66–1.02) 47 1.37 (0.93–2.02) 190 0.91 (0.75–1.10)
 1–< 3 3706 71 0.94 (0.72–1.23) 29 1.24 (0.79–1.95) 100 0.99 (0.79–1.25)
  ≥ 3 2471 57 0.79 (0.59–1.07) 17 0.73 (0.42–1.27) 74 0.77 (0.59–1.00)
Ptrend    0.24   0.19   0.08
Liquor, average drinks/week
  < 1 10,978 218 1.09 (0.88–1.34) 54 0.99 (0.67–1.46) 272 1.08 (0.90–1.30)
 1–< 3 4330 84 0.97 (0.74–1.27) 35 1.17 (0.75–1.82) 119 1.03 (0.82–1.30)
  ≥ 3 2572 54 0.99 (0.72–1.37) 25 1.07 (0.65–1.74) 79 1.04 (0.80–1.35)
Ptrend    0.74   0.14   0.98
  1. Abbreviations: HR hazard ratio, CI confidence interval
  2. aAll models are stratified by age at diagnosis, and include study site, race, education, household income, number of mammograms within the 5 years before breast cancer diagnosis, body mass index 5-years before diagnosis, number of comorbidities before breast cancer diagnosis, smoking history, stage, estrogen receptor status, histologic type of breast cancer tumor, and consumption of other types of alcohol using categories of drinks/week (wine adjusted for beer and liquor, beer adjusted for wine and liquor, liquor adjusted for beer and wine)
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