. Author manuscript; available in PMC: 2015 Apr 1.

Published in final edited form as: Addiction. 2014 Jan 19;109(4):585–595. doi: 10.1111/add.12437

Table 4.

Step-wise regressions among continuously moderate drinkers and transitioned to heavy derinkers (n = 27). The dependent variable was follow-up alcohol-related consequences per month (BYAACQ score).

	Model Statistics			Change Statistics			Independent Variable Statistics
	R²	F	P	R²	F	P	β	t	sr²	p
Model 1:	.27	9.23	.006	.27	9.23	.006
1) Baseline drinks per month							.52	3.04	.27	.006

Model 2:	.44	9.41	.001	.17	7.27	.013
1) Baseline drinks per month							.43	2.75	.18	.011
2) fMRI factor score							.42	2.70	.17	.013

Model 3:	.53	8.70	<.001	.09	4.52	.045
1) Baseline drinks per month							.26	1.58	.05	.127
2) fMRI factor score							.46	3.11	.20	.005
3) Self-reported compulsivity and sensitivity to reward/punishment factor score							.35	2.13	.09	.045

Model 4:	.48	11.09	<.001	−.05	2.51	.127
1) fMRI factor score							.51	3.49	.26	.002
2) Self-reported compulsivity and sensitivity to reward/punishment factor score							.47	3.17	.22	.004

sr² = squared semipartial correlation, representing the unique (unshared) variance accounted for by that independent variable