Table 1.

Descriptive statistics for heavy episodic drinking (n = 8,503 unique respondents)

	Percent and Sample Size by Wave
	Wave 1	Wave 2	Wave 3	Wave 4
	n=8,483	n=6,722	n=8,486	n=7,382
Heavy Episodic Drinking in the Past 12 Months
Never (referent; =0)	74.5%	70.1%	49.9%	51.0%
l or 2 days (=1)	9.7%	11.8%	17.1%	17.6%
Once a month or less (=2)	5.8%	6.9%	10.7%	11.7%
2 or 3 days a month (=3)	4.3%	4.9%	9.0%	8.9%
1 or 2 days a week (=4)	3.6%	3.7%	9.4%	7.3%
3 to 5 days a week (=5)	1.5%	1.6%	3.2%	2.8%
Every day or almost every day (=6)	0.6%	1.0%	0.7%	0.8%