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Table 3 Means, SDs, Effect Sizes, and p-values of Outcome Measures

From: Internet-based cognitive behavior therapy for obsessive compulsive disorder: A pilot study

Outcome measure M SD Effect size (CI, 95%) p-value
Y-BOCS (clin.) Pre 20.00 (5.20)    
(n = 23) Post 10.00 (7.40) 1.56* (0.88 - 2.19) p < .001
Y-BOCS (self-r) Pre 20.14 (5.79)    
(n = 22) Post 11.50 (7.44) 1.30* (0.64 - 1.92) p < .001
OCI-R Pre 21.60 (10.08)    
(n = 22) Post 9.00 (7.84) 1.39* (0.72 - 2.02) p < .001
MADRS-S Pre 10.32 (5.61)    
(n = 22) Post 4.50 (5.40) 1.06* (0.41 - 1.67) p < .001
PSWQ Pre 54.41 (12.46)    
(n = 22) Post 50.04 (9.79) 0.39 (-0.21 - 0.97) p = .124
GAF Pre 57.87 (7.01)    
(n = 22) Post 66.87 (11.83) 0.93* (0.30 - 1.52) p < .001
QOLI Pre 2.35 (1.42)    
(n = 22) Post 2.42 (1.43) 0.05 (-0.54 - 0.63) p = .656
EQ-5D Pre 0.87 (0.19)    
(n = 22) Post 0.91 (0.17) 0.24 (-0.35 - 0.83) p = .082
  1. * Significant using Bonferroni corrected alpha values.
  2. Y-BOCS = Yale-Brown Obsessive Compulsive Scales
  3. OCI-R = Obsessive Compulsive Inventory - Revised
  4. MADRS-S = Montgomery Åsberg Depression Rating Scale - Self Report
  5. PSWQ = Penn State Worry Questionnaire
  6. GAF = Global Assessment of Functioning
  7. QOLI = Quality of Life Inventory
  8. EQ-5D = Euroqol