Table 4 Variations in the definitions of alcohol exposures
From: Modifiable risk factors in women at high risk of breast cancer: a systematic review
Past alcohol/day | During 20’s: 0 vs. < 6 vs. 6–18 vs. 19–32 vs. > 32 g/day | Formerly < 1 vs. 1–1.9 vs. > 2 drinks/day |  |  |  |
Total/Lifetime |  < 60 vs. 60–229 vs. > 230 drinks/year | Cumulative grams of alcohol pre-menopause |  |  |  |
Current alcohol/day | Recent 0 vs. < 6 vs. 6–18 vs. 19–32 vs. > 32 g/day | Current < 1 vs. 1–1.9 vs. > 2 drinks/day | 0 vs. 1 vs. 1 < 2 vs. 2–3 vs. > 3 drinks/day | Less than weekly vs. weekly vs. daily |  < 3 vs. ≥ 3 glasses/day |