Table 1

Classification of drinking level by quantity and frequency of alcohol consumption*

Usual drinking frequency
No of drinksDaily3–6 times/week1–2 times/week1–3 times/month<1 time/month
*Number of drinks was based on exact wording of the question.
5+Very heavyVery heavyHeavyHeavyModerate
3–4Very heavyHeavyModerateModerateLight
2–3ModerateModerateModerateLightLight
1–2ModerateModerateLightLightLight
<1LightLightLightLightLight
NoneNon-drinkerNon-drinkerNon-drinkerNon-drinkerNon-drinker