Table 1.

Sample characteristics (N=1,253)

	n	%
Sex (n, % Male)	608	48.5
Race (n, % White)	885	70.6
Age at baseline
17	54	4.3
18	884	70.6
19	311	24.8
20	4	0.3
Typical number of drinks per drinking day, at baseline1
None (0 drinks/day)	95	7.6
Light (1-2 drinks/day)	215	17.3
Moderate (3-5 drinks/day)	537	43.1
Heavy (6+ drinks/day)	399	32.0

¹Responses sum to 1,246 due to missing data