Table 1.

Categorization of life‐time hazardous drinking groups.

	Hazardous drinker
	Before age 50	After age 50	Current
Never hazardous drinker	X	X	X
Former early hazardous drinker	√	X	X
Former later hazardous drinker	√ or X	√	X
Current hazardous drinker	√ or X	√	√
Consistent hazardous drinker	√	√	√

X = not a hazardous drinker; √ = hazardous drinker.