Table 1.

Mean and standard deviation of impulsivity measures for heavy and light drinkers

Impulsivity measures	Heavy drinkers (n = 13)	Light drinkers (n = 29)
BIS-11 (Total)	66.46 (10.55) a	57.66 (10.7) a
BIS-11 (Attention)	18.92 (4.07) a	16.41 (4.24) b
BIS-11 (Motor)	22.23 (3.63) a	19.45 (3.66) a
BIS-11 (Non-planning)	22.62 (4.61) a	19.17 (3.94) a
SST	220.90 (54.68) a	222.67 (50.02) b
CARROT	0.00 (0.07) a	−0.02 (0.07) b

Means sharing similar letters within a row differ at p < 0.05

BIS-11 Barratt Impulsiveness Scale version 11, SST Stop Signal Task, CARROT Card-Arranging Reward Responsivity Objective Test