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Table 3 Lifetime alcohol intake (at least once per week for 6 months or 26 times per year) 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
  US born Non-US born US born Non-US born US born Non-US born
  Ca/Co ORa Ca/Co ORa Ca/Co ORa Ca/Co ORa Ca/Co ORa Ca/Co ORa
Lifetime alcohol
Never 258/282 1.00 121/92 1.00 75/106 1.00 721/673 1.00 13/19 1.00 698/485 1.00
Ever 107/96 1.51 58/41 1.36 16/25 0.86 87/100 0.84 9/9 2.33 66/74 0.66
P (1 df)   0.035   0.33   0.75   0.23   0.41   0.053
Never 258/282 1.00 121/92 1.00 75/106 1.00 721/673 1.00 13/19 1.00 698/485 1.00
Former 46/47 1.14 20/9 2.40 7/8 1.43 22/32 0.62 6/4 2.93 30/31 0.91
Current 61/49 1.91 38/32 1.15 9/17 0.68 65/68 0.95 3/5 1.62 36/43 0.53
P (2 df)   0.032   0.26   0.70   0.29   0.42   0.057
Amount of alcohol (g/day)
No 258/282 1.00 121/92 1.00 75/106 1.00 721/673 1.00 13/19 1.00 698/485 1.00
> 0 to ≤ 5.0 64/59 1.43 39/30 1.26 11/21 0.80 56/70 0.80 6/7 2.11 41/47 0.67
> 5 to ≤ 10 18/19 1.52 8/6 1.40 3/2 1.21 15/13 1.14 3/2 3.23 14/12 0.84
> 10 25/18 1.81 11/5 1.93 2/2 0.88 16/17 0.79 ---- ----- 11/15 0.50
Per 5 g/day   1.24   1.23   0.95   0.92   1.90   0.80
P trend   0.038   0.26   0.87   0.43   0.24   0.059
Years of drinking (no adjustment for amount of drinking)
> 0 to ≤ 5 31/30 1.37 15/10 1.44 4/7 1.93 34/36 0.99 5/3 3.80 22/38 0.41
> 5-10 19/20 1.53 12/9 1.37 2/8 0.63 20/16 1.25 1/1 1.42 14/10 1.17
> 10 years 57/46 1.60 31/22 1.33 10/10 0.69 33/48 0.61 3/5 1.63 30/26 0.85
Per 10 years   1.18   1.11   0.89   0.89   1.22   0.92
P trend   0.038   0.41   0.54   0.13   0.52   0.36
Years of drinking, adjusted for amount of drinking (g/day)
> 0 to ≤ 5   1.22   1.14   1.42   0.92   3.19   0.48
> 5-10   1.32   0.97   0.46   1.14   1.01   1.29
> 10 years   1.34   0.95   0.44   0.56   1.40   0.99
Per 10 years   1.09   0.97   0.70   0.83   0.97   1.17
P trend   0.54   0.88   0.37   0.14   0.94   0.34
Amount (g/day) and years of drinking
No 258/282 1.00 121/92 1.00 75/106 1.00 721/673 1.00 13/19 1.00 698/485 1.00
≤ 5.0 and ≤ 10 years 36/38 1.36 20/14 1.48 5/14 1.14 35/37 0.98 4/2 5.18 25/34 0.58
≤ 5.0 and > 10 years 28/21 1.54 19/16 1.10 6/7 0.51 21/33 0.60 2/5 1.00 16/13 1.10
> 5.0 and ≤ 10 years 14/12 1.68 7/5 1.36 1/1 1.04 19/15 1.30 2/2 3.40 11/14 0.61
> 5.0 and > 10 years 29/25 1.65 12/6 2.10 4/3   12/15 0.62 1/0   14/13 0.74
P trend   0.041   0.29   0.74   0.28   0.40   0.21
Lifetime intake
0 258/282 1.00 121/92 1.00 75/106 1.00 721/673 1.00 13/19 1.00 698/485 1.00
≤ 7.6 kg 43/43 1.28 26/20 1.40 9/16 1.08 31/52 1.02 4/3 3.49 35/40 0.71
> 7.6 kg 64/53 1.71 32/21 1.37 7/9 0.64 56/48 0.66 5/6 1.84 31/34 0.68
P trend   0.022   0.36   0.61   0.15   0.38   0.11
Summary by Asian ethnicity Japanese Chinese Filipino
By 5 g/day 1.21 (1.02-1.43), P trend = 0.032 0.95 (0.79-1.14), P trend = 0.57 0.85 (0.68-1.07), P trend = 0.16
P interaction 0.011
Summary by nativity US born Non-US born     
By 5 g/day 1.21 (1.00-1.45), P trend = 0.048 0.91 (0.80-1.04), P trend = 0.18     
P interaction 0.12
  1. aAdjusted for age, years of residence in the US 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, intake of soy, and green tea.