. Author manuscript; available in PMC: 2014 Jun 9.

Published in final edited form as: Addict Behav. 2010 Oct 28;36(3):183–189. doi: 10.1016/j.addbeh.2010.10.002

Table 2.

Hierarchical regression analysis predicting total RTCQ scores at baseline (N=84).

Step and predictor variable	B	SE B	β	t	p	R ²	Δ R²
Step 1						.08
Weekly alcohol consumption at baseline	.11	.04	.29	2.70	.01
Step 2						.20	.12^*
Weekly alcohol consumption at baseline	.08	.04	.20	1.96	.06
Total RAPI scores at baseline	.24	.07	.36	3.53	.00

Note. RAPI = Rutgers Alcohol Problem Index;

p<.01.