Table 1.

Descriptive Data for Covariates Measured at Baseline (n=297)

	Mean	Std Dev	Range
LR	−.47	.80	−3.14 – +2.05
FH	.40	.49	0–1
Quant	2.71	1.41	1–8
Onset	14.80	2.33	7–21
BMI	22.40	2.16	18–37
Age	22.68	1.75	20–28

Note. LR (Level of response to alcohol) at baseline (~age 20) is the z-score generated by the sum of up to three variables representing change from baseline to 60 minutes after the drink of three variables during an alcohol challenge; FH (family history of AUDs) is the presence of alcohol abuse or dependence in either biological parent at T1; Quant is the typical number of standard drinks consumed per drinking occasion over the past 6 months reported at T1; Onset is the age at which probands reported first having one standard drink; BMI is the body mass index calculated from height and weight at T1; Age is the age of probands at T1