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Table 5 Comparison between completers and non-completers (group) on change in DASS and WHOQOL-8 from entry to exit (time)

From: Completion rates and psychosocial intervention effectiveness in an Australian substance use therapeutic community

  Completers Non-completers Time effect Completion effect Time*completion effect
Entry Exit Entry Exit DF F P DF F P DF F P
Estimate SE Estimate SE Estimate SE Estimate SE          
DASS
 Depression 14.20 1.47 4.83 1.12 17.41 1.08 10.28 0.83 166 79.3 1 <.0001 166 10.59 1 0.001 166 1.45 0.230
 Anxiety 11.61 1.14 4.07 0.95 13.06 0.84 8.36 0.70 166 80.1 1 <.0001 166 6.69 1 0.011 166 4.33 1 0.039
 Stress 15.61 1.19 7.93 1.08 17.39 0.88 12.34 0.80 166 64.7 1 <.0001 166 6.96 1 0.009 166 2.77 0.098
WHOQOL-8**
 Quality 3.10 0.13 4.27 0.11 3.05 0.09 3.74 0.08 171 101 1 <.0001 171 6.380 1 0.0125 171 6.9 1 0.009
 Health 2.92 0.14 4.00 0.11 2.94 0.10 3.63 0.08 171 80.6 1 <.0001 171 2.14 0.146 171 3.91 1 0.050
 Energy 3.27 0.14 4.25 0.12 3.10 0.10 3.69 0.08 171 67.3 1 <.0001 171 9.1 1 0.003 171 4.03 1 0.046
 Money 3.37 0.16 4.22 0.14 2.82 0.11 3.45 0.10 171 42.5 1 <.0001 171 21.14 1 <.0001 171 0.91 0.343
 Daily Living 3.15 0.15 4.47 0.11 3.18 0.11 3.81 0.08 171 102 1 <.0001 171 6.28 1 0.013 171 12.7 1 0.001
 Self-Satisfaction 2.53 0.13 4.19 0.12 2.51 0.09 3.61 0.09 171 231 1 <.0001 171 5.66 1 0.018 171 9.67 1 0.002
 Relationships 2.56 0.15 4.05 0.12 2.76 0.11 3.40 0.08 171 127 1 <.0001 171 2.76 0.099 171 20.3 1 <.0001
 Living Place 3.20 0.15 4.20 0.12 3.08 0.11 3.63 0.08 171 56.4 1 <.0001 171 6.89 1 0.009 171 4.68 1 0.032
Note: 25 Non-completers did not complete all components of the exit interview, resulting in reduced N values
DASS categorical
  Normal Mild Moderate Severe Very Severe  
Depression 0-9 10-13 14-20 21-27 28-42  
Anxiety 0-7 8-9 10-14 15-19 20-42  
Stress 0-14 15-18 15-25 20-33 34-42  
  1. 1P <0.05