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Definitions of the alcohol consumption groups
| Variable | Women | Men |
| Average level of drinking | ||
| Moderate | ≥0.5 and ≤1 drink/day | ≥0.5 and ≤2 drinks/day |
| High | >1 drink/day | >2 drinks/day |
| Pattern of drinking | ||
| Regular | <4 drinks/largest occasion | <5 drinks/largest occasion |
| Episodic heavy | ≥4 drinks/largest occasion | ≥5 drinks/largest occasion |
Notes: We excluded very light drinkers (>0 to <0.5 drink on average per day) because it was statistically unlikely that they would be episodic heavy drinkers.
