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. Author manuscript; available in PMC: 2012 Aug 19.
Published in final edited form as: Addiction. 2010 Oct;105(10):1799–1808. doi: 10.1111/j.1360-0443.2010.03047.x

Table 1.

Adherence and competence scores in sessions 1 and 2 by treatment condition.

Brief treatment (2-session)
Extended treatment (9-session)
F df P
Mean SD Mean SD
Session 1, brief treatment n = 77, extended treatment n = 86
 Adherence (quantitative) ratings
  CBT 2.46 0.83 2.08 0.81 8.89 1161 0.00
  MET 3.50 0.79 3.59 0.92 0.38 1161 0.54
  CM 1.24 0.39 1.37 0.56 2.61 1161 0.11
  FC 3.17 0.79 3.30 0.78 1.18 1161 0.28
  STR 3.03 0.59 3.38 0.64 13.06 1151 0.00
 Competence (qualitative) ratings
  CBT 3.97 0.51 3.93 0.78 0.11 1152 0.74
  MET 4.18 0.48 4.38 0.77 3.96 1160 0.05
  CM 3.90 0.75 3.86 0.92 0.03 172 0.86
  FC 4.19 0.47 4.35 0.75 2.53 1161 0.11
  STR 4.16 0.40 4.36 0.77 4.12 1161 0.04
Session 2, brief treatment n = 44, extended treatment n = 76
 Adherence (quantitative) ratings
  CBT 2.36 1.00 2.15 0.76 1.65 1118 0.20
  MET 2.95 0.95 2.72 1.04 1.38 1118 0.24
  CM 1.46 0.70 1.47 0.77 0.00 1118 0.94
  FC 3.73 0.86 3.54 0.89 1.31 1118 0.25
  STR 2.88 0.72 2.88 0.83 0.16 1118 0.69
 Competence (qualitative) ratings
  CBT 3.89 0.70 3.87 0.80 0.02 1113 0.89
  MET 4.09 0.64 4.04 0.77 0.14 1114 0.70
  CM 4.04 0.84 4.00 1.03 0.03 159 0.86
  FC 4.15 0.65 4.14 0.62 0.01 1118 0.94
  STR 4.06 0.59 3.99 0.64 0.31 1118 0.58

CBT: cognitive–behavioral therapy scale; MET: motivational enhancement therapy scale; CM: case management scale; FC: facilitative conditions scale; SD: standard deviation; STR: structure scale. Scores range from 1 to 7, with higher scores indicating higher levels of adherence or competence.