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Table 1 Group Means and Percentage Scores on Outcome Variables

From: Successful and unsuccessful cannabis quitters: Comparing group characteristics and quitting strategies

Measure Quitter mean (SD) or % Non-quitter mean (SD) or % df t χ2 p
Age 28.38 (11.36) 27.60 (8.62) 164 0.50   .62
Age/initiation 16.91 (4.86) 15.77 (2.91) 164 1.81   .72
Use (days/wk) 3.79 (2.31) 4.81 (2.22) 164 2.87   <.01
Quit attempts 6.18 (15.86) 6.45 (12.07) 164 0.12   .09
SDS 2.26 (0.84) 2.60 (0.75) 164 2.67   <.01
POC Behavioral 2.83 (0.96) 2.63 (0.65) 164 1.55   .12
POC Experiential 2.69 (0.92) 2.62 (0.65) 164 0.50   .61
Depression 26.44 (11.07) 32.44 (11.64) 164 3.39   <.01
Anxiety 26.51 (10.86) 29.12 (9.31) 164 1.65   .10
Stress 29.85 (11.33) 34.33 (10.66) 164 2.60   .01
Gender (male) 57.5% 62.8% 1   0.49 .48
Married 29.9% 23.1% 1   0.98 .32
Uni Education 67.8% 48.7% 1   8.00 <.01
Formal tx 26.4% 17.9% 1   1.72 .19
EOU (frequent) 6.9% 39.8% 1   15.75 <.001
  1. Note: N = 165; SDS = Severity of Dependence Scale; EOU = Exposure to other users.