Table 1.

Participant characteristics.

	HC	ALC	t-stat/ Chi- Square^a	p-value
	(n = 49)	(n = 60)
Demographics
Age	38.77 ± 10.93	42.32 ± 11.91	1.61	0.11
Gender (m/f)	23/26	46/14	10.36	0.001
Years of Education	16.70 ± 3.58	13.72 ± 2.38	5.01	< 0.001
Axis I (%)	2	40	27.38	< 0.001
Smokers (%)	0	55	51.09	< 0.001
Trait Anxiety	29.71 ± 8.25	40.48 ± 11.74	5.42	< 0.001
Drinking Measures
AUDIT Score	2.53 ± 1.70	25.45 ± 7.26	14.05	< 0.001
ADS Score	0.9 ± 1.91	18.17 ± 8.14	9.01	< 0.001
Total Drinks (90 days)	26.42 ± 25.36	963.02 ± 644.76	6.36	< 0.001
Drinks/Day	1.52 ± 0.75	13.69 ± 8.34	5.93	< 0.001
Compulsive Drinking score	1.71 ± 1.67	10.53 ± 4.68	9.51	< 0.001
Abstinence Duration (days)	–	17.85 ± 9.73	–	–
Impulsivity
BIS Total	53.02 ± 8.08	65.67 ± 12.50	2.81	0.006
Attentional	12.29 ± 3.32	15.62 ± 4.12	2.03	0.04
Motor	20.65 ± 3.13	24.43 ± 4.91	2.40	0.02
Non-planning	20.08 ± 4.12	25.62 ± 5.45	2.57	0.01
Delay Discounting (ln(k))	−4.70 ± 1.12	−3.40 ± 1.93	2.39	0.02

Independent t-tests were conducted to compare continuous variables and Chi-square tests were conducted to compare categorical variables.