. Author manuscript; available in PMC: 2010 Feb 10.

Published in final edited form as: J Consult Clin Psychol. 2009 Feb;77(1):88. doi: 10.1037/a0014679

Table 1.

Means and Standard Deviations of Heavy Episodic Drinking (HED) and Alcohol-related Problems (AP) for the Improved and Non-improved Groups

	Improved (n = 186)	Non-improved (n = 162)	F (1, 346)	η²
HED at baseline	0.45 (0.57)	1.03 (0.71)	73.29^**	0.18
HED at 4 months	0.01 (0.04)	1.16 (0.53)	865.44^**	0.71
HED at 15 months	0.34 (0.56)	1.21 (0.71)	162.99^**	0.32
AP at baseline	0.75 (0.74)	1.02 (0.72)	11.54^**	0.03
AP at 4 months	0.23 (0.46)	0.66 (0.69)	48.21^**	0.12
AP at 15 months	0.50 (0.63)	0.92 (0.78)	30.39^**	0.08

Note. Values in parenthesis indicate standard deviations.

* p < .05

^**

p < .01.