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Table 2 Current alcohol intake (at least 12 times per year) assessed by quantitative food-frequency questionnaire and risk of breast cancer by Asian ethnicity and birthplace

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

  Japanese Chinese Filipino
Cases/controls US born
364/378
Non-US born
177/132
US born
90/131
Non-US born
808/772
US born
22/28
Non-US born
764/559
  Ca/Co OR a Ca/Co OR a Ca/Co OR a Ca/Co OR a Ca/Co OR a Ca/Co OR a
No 248/266 1.00 112/74 1.00 73/95 1.00 685/610 1.00 11/19 1.00 658/460 1.0
Yes 116/112 1.42 65/58 0.78 17/36 0.31 123/162 0.72 11/9 2.93 106/99 0.79
P value   0.062   0.41   0.015   0.022   0.11   0.18
None 248/266 1.00 112/74 1.00 73/95 1.00 685/610 1.00 11/19 1.00 659/460 1.00
> 0 to ≤ 4/week 89/90 1.36 45/45 0.73 14/30 0.29 96/142 0.63 10/9 2.67 91/79 0.87
> 4/week 27/22 1.67 20/13 0.97 3/6 0.43 27/20 1.36 1/0   14/20 0.43
P trend   0.053   0.61   0.035   0.16   0.27   0.05
P interaction     0.49     0.73     0.08
Current amount (g/day)
None 248/266 1.00 112/74 1.00 73/95 1.00 685/610 1.00 11/19 1.00 659/460 1.00
> 0 to ≤ 5.0 85/85 1.33 41/44 0.62 10/27 0.22 95/132 0.68 9/7 2.95 86/74 0.90
> 5 31/27 1.73 24/14 1.32 7/9 0.63 28/30 0.92 2/2 2.88 20/25 0.49
Per 5 g/day   1.32   0.99   0.55   0.82   2.11   0.78
95% CI   1.01-1.73   0.66-1.48   0.29-1.05   0.66-1.02   0.78-5.71   0.60-1.02
P trend   0.044   0.96   0.07   0.07   0.14   0.07
P interaction     0.42     0.37     0.22
Summary by Asian ethnicity Japanese Chinese Filipino
By 5 g/day 1.17 (0.99 to 1.39); P trend = 0.073 0.83 (0.70 to 0.99); P trend = 0.032 0.84 (0.68 to 1.03); P trend = 0.096
P interaction 0.016
Summary by nativity US Born Non-US born     
By 5 g/day 1.16 (0.97 to 1.39); P trend = 0.073 0.82 (0.73 to 0.93); P trend = 0.002     
P interaction 0.027
  1. aAdjusted for age, years of residence in the United States among non-US born, education, interviewer, age at menarche, menopausal status, age at menopause, current BMI, parity, total calories, family history of breast cancer and physical activity, and intake of soy and green tea.