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Table 5 Lifetime alcohol intake and breast cancer riska in Japanese Americans by hormone-receptor status

From: Alcohol and breast cancer risk among Asian-American women in Los Angeles County

  Estrogen receptor (ER) Progesterone receptor (PR) Estrogen (ER) and progesterone receptor (PR)
  ER+ ER- DK PR+ PR- DK ER+PR+ ER-PR- ER+PR- ER/PR mix ER/PR DK
Number 380 71 93 297 108 139 287 61 47 57 92
Any alcohol
No 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
Former 1.19 1.56 0.91 1.15 1.64 0.94 1.17 1.98 1.47 0.86 0.92
Current 1.73c 0.66 1.42 1.61c 1.36 1.29 1.68c 0.84 2.76c 0.82 1.55
P (2 df) 0.008 0.62 0.39 0.028 0.21 0.49 0.017 0.88 0.035 0.68 0.27
Years of drinking
No 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
> 0 to ≤ 10 1.31 1.32 1.37 1.07 2.25 1.20 1.35 1.73 1.20 0.74 1.38
> 10 1.67c 0.71 1.04 1.64 1.26 1.08 1.56c 0.87 3.43c 0.93 1.13
P trend 0.012 0.72 0.75 0.053 0.17 0.68 0.034 0.81 0.02 0.79 0.60
Amount of alcohol per day (g/day)
No 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
> 0 to ≤ 5.0 1.41 1.12 0.99 1.28 1.61 1.04 1.33 1.38 2.22 1.01 1.03
> 5 1.65 0.84 1.60 1.68 1.26 1.35 1.72 1.12 2.06 0.60 1.70
P trend 0.019 0.90 0.34 0.034 024 0.46 0.023 0.56 0.09 0.53 0.26
  1. E receptor positive (ER+), ER negative (ER-), ER unknown (ER DK); progesterone receptor positive (PR+), PR negative (PR-), PR unknown (PR DK). c95% confidence intervals excluded 1.0.