Table 1.

Intercorrelations, means, and standard deviations of BIS, BAS, alcohol use, and alcohol problems

Variable	1	2	3	4	5	6	M	SD
1.BIS-T1	1						3.08	0.53
2. BAS-T1	.08*	1					3.16	0.38
3. ALC-T1	-.15**	.14**	1				12.44	9.42
4. PROBS-T1	.11*	.20**	.48**	1			7.98	7.85
5. ALC-T2	-.07	.10*	.58**	.34**	1		11.97	10.73
6. PROBS-T2	.11**	.18**	.30**	.50**	.57**	1	5.67	7.94

Notes: BIS = behavioral inhibition system; BAS = behavioral approach system; T1 = Time 1; T2 = Time 2; ALC = alcohol use quantity–frequency index; PROBS = alcohol problems.

^*p < .05;

^**p < .01.