Table 2.

Secondary Outcomes

Variables	Therapist-MET/CBT/CM Intake	Therapist-MET/CBT/CM End of Treatment	Computer-MET/CBT/CM Intake	Computer-MET/CBT/CM End of Treatment
% days cannabis use a, b	82.0% (14.9)	12.6% (29.1)	78.5% (18.9)	10.3% (14.2)
Marijuana Problem Scale c	11.0 (6.6, 15,4)	6.4 (1.9, 10.8)	15.0 (10.1, 19.9)	10.6 (4.7, 16.5)
Marijuana Self-Efficacy Scale (Overall Mean) c	4.9 (3.8, 6.0)	5.6 (1.7)	4.0 (3.3, 4.6)	5.7 (1.6)
Coping Strategies Scales c
Active-Behavior	2.8 (2.3, 3.2)	3.0 (2.5, 3.5)	2.7(2.3, 3.1)	2.9 (2.5, 3.2)
Active-Cognitive	2.9 (2.4, 3.4)	3.1 (2.5, 3.7)	2.9 (2.4, 3.3)	3.0 (2.6, 3.5)
Avoidant-Behav	2.6 (2.0, 3.2)	3.0 (2.4, 3.6)	2.6 (2.2, 3.1)	3.0 (2.6, 3.4)
Active-Cognitive	2.9 (2.3, 3.4)	3.2 (2.6, 3.8)	2.8 (2.3, 3.2)	3.2 (2.7, 3.6)
Voucher Earnings a	---	$161 (170)	---	$197 (196)
Mean minutes per MET/CBT/CM session d	---	48.2 (6.8)	---	29.3 (14.9)
Mean Total minutes with therapist		482		47

Note: Analyses of repeated measures include only participants who provided intake and end of treatment data (tMET/CBT/CM=11; cMET/CBT/CM=12)

^aMean (standard deviation)

^bSignificant main effect for time indicating positive change in both treatment groups

^cMean (95% confidence interval)

^dp < .01