. Author manuscript; available in PMC: 2014 Mar 1.

Published in final edited form as: Addict Behav. 2012 Aug 31;38(3):1764–1775. doi: 10.1016/j.addbeh.2012.08.011

Table 4.

Partial Correlations of Presumed Mechanism Variables with Coping and Self-Efficacy Over Time. Correlations are Controlling for Baseline Values of Coping (or Self-Efficacy).

Mechanism Variable	Coping Total Score			Marijuana Abstinence Self-Efficacy Score
Mechanism Variable	Posttreatment	8 Months	14 Months	Posttreatment	8 Months	14 Months
Continuous Abstinence in Treatment^a	.348^***	.104	.024	.498^***	.389^***	.417^***
Attendance^a	.395^***	.115	.006	.391^***	.189^*	.142
Homework Adherence^b	.256^*	−.005	−.103	.404^***	.263	.187

Degrees of Freedom =175

Degrees of Freedom =105

^***

p < .001;

^**

p < .01;

p < .05