. 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 3.

Hierarchical regression analysis predicting weekly alcohol consumption at follow-up (N=84).

Step and predictor variable	B	SE B	β	t	p	R ²	Δ R²
Step 1							.36
Weekly alcohol consumption at baseline	.48	.07	.60	6.81	.00	.36
Step 2						.36	.00
Weekly alcohol consumption at baseline	.48	.08	.60	6.47	.00
Total RTCQ scores at baseline	.01	.20	.01	.05	.96
Step 3						.47	.10^**
Weekly alcohol consumption at baseline	.55	.07	.68	7.73	.00
Total RTCQ scores at baseline	.89	.29	.42	3.10	.00
Weekly consumption X RTCQ	−.03	.01	−.55	−3.94	.00

^**

Note. p<.001.