Substance use: 2. Average score (USS, high = poor (1=client not abstinent, 5 client mets criteria for severe use) (skewed data)
Study	Intervention	Mean	SD	N
6 months
Morse 2006
Morse 2006	Treatment (ACT)	2.98	1.31	54
Morse 2006	Control	2.93	1.19	49
12 months
Morse 2006
Morse 2006	Treatment (ACT)	2.86	1.32	54
Morse 2006	Control (Standard care)	2.78	1.18	49
18 months
Morse 2006
Morse 2006	Treatment (ACT)	3.02	1.26	54
Morse 2006	Control (Standard care	2.69	1.10	49
24 months
Morse 2006
Morse 2006	Treatment (ACT)	2.70	1.28	54
Morse 2006	Control (Standard care)	2.62	1.15	49