From: Alcohol and breast cancer tumor subtypes in a Spanish Cohort
Alcohol intake | Controls | HER2 negative N ORa (95 % CI) | HER2 positive N ORa (95 % CI) |
---|---|---|---|
Abstainers | 389 | 421 1.0 | 92 1.0 |
Light/Moderate drinkers (1–7 drinks/week) | 293 | 343 1.03 (0.83, 1.28) | 81 1.13 (0.81, 1.59) |
Heavy drinkersb (>7 drinks/week) | 65 | 160 2.12 (1.53, 2.94) P < 0.001 | 29 1.77 (1.08, 2.92) P = 0.052 |