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. Author manuscript; available in PMC: 2008 Jun 1.
Published in final edited form as: Addict Behav. 2006 Sep 22;32(6):1220–1236. doi: 10.1016/j.addbeh.2006.08.009

Table 2. Baseline Characteristics of Sample.

Variable Treatment

CaseM (n=62) MET+CBT (n=61) ContM (n=54) MET+CBT+ContM (n=63) Total (n=240)
M or % SD M or % SD M or % SD M or % SD M or % SD

Age 31.9 9.6 34.1 7.8 33.4 11.4 31.8 9.6 32.7 9.6
Sex (% Male) 69 -- 72 -- 80 -- 64 -- 71 --
Race (% White) 57 -- 56 -- 72 -- 59 -- 60 --
Years Education 12.9 1.7 12.9 1.9 13.1 1.8 12.9 1.8 13.0 1.8
 Married (%) 38.7 -- 44.3 -- 42.6 -- 55.6 -- 45.4 --
Employed (%) 68 -- 82 -- 70 -- 73 -- 73 --
Marijuana Problems 15.19 6.74 13.97 7.52 12.62 6.09 13.42 6.84 13.88 6.75
Joints per Day 5.2 5.7 4.67 6.27 3.24 2.65 4.76 3.98 4.50 4.93
Proportion Days Abstinent .08 .12 .08 .13 .15 .19 .11 .17 .11 .15
ASI Alcohol Composite .09 .10 .12 .12 .11 .14 .09 .09 .10 .12
ASI Drug Composite .26 .05 .25 .07 .23 .07 .23 .07 .24 .07
ASI Psychiatric Severity .22 .23 .24 .20 .25 .21 .25 .19 .24 .21