Table 1 Drinker type definitions with observed counts and percentages (within sex and overall)

Consistent non-drinker

0 g at each wave of data collection

Former drinker

0 g at last wave but intake >0 g at any earlier wave

Consistently moderate

Male: 1–168 g at each wave

Female: 1–112 g at each wave

Inconsistently moderate

Male: 1–168 g for most but not all waves

Female: 1–112 g for most but not all waves

Consistently heavy

Male: >168 g at each wave

Female: >112 g at each wave

Inconsistently heavy

Male: >168 g for most but not all waves

Female: >112 g for most but not all waves