Table 2.
Means (M) and standard deviations (SD) on outcome measures and repeated measures ANOVAs for treatment completers.
| Measure | Time |
F | p | Pre-post Hedges g | Pairwise comparison | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wait List |
Pre-Treatment |
Post-Treatment |
Follow-up |
|||||||||
| M | SD | M | SD | M | SD | M | SD | |||||
| YBOCS | 23.19 | 7.62 | 23.68 | 7.45 | 10.30 | 6.65 | 11.45 | 7.68 | 78.55 | < .001 | 1.88 | WL, Pre < Post, FU |
| BDI | 19.35 | 11.98 | 16.88 | 13.22 | 6.72 | 7.79 | 9.22 | 12.48 | 26.95 | < .001 | 0.93 | WL < Pre < Post, FU |
| BAI | 23.99 | 14.14 | 22.66 | 13.70 | 12.17 | 11.66 | 11.42 | 11.13 | 24.31 | < .001 | 0.82 | WL, Pre < Post < FU |
| OBQ Res/Thr | 64.21 | 24.11 | 63.11 | 25.89 | 39.44 | 19.61 | 40.28 | 20.53 | 24.08 | < .001 | 1.02 | WL, Pre < Post, FU |
| OBQ Perf/Int | 69.83 | 25.20 | 68.97 | 24.27 | 43.96 | 20.70 | 42.05 | 20.99 | 27.64 | <.001 | 1.10 | WL, Pre < Post, FU |
| OBQ IOT/COT | 42.20 | 20.52 | 39.71 | 18.03 | 22.80 | 11.83 | 24.19 | 11.86 | 24.13 | < .001 | 1.10 | WL, Pre < Post, FU |
Note. YBOCS = Yale Brown Obsessive Compulsive Scale Total; BDI = Beck Depression Inventory Total; BAI = Beck Anxiety Inventory Total; OBQ Res/Thr = Obsessional Belief Questionnaire: Personal responsibility and harm overestimation; OBQ Perf/Int = Obsessional Belief Questionnaire: Perfectionism and Intolerance of Uncertainty; OBQ IOT/COT = Obsessional Belief Questionnaire: Importance and control of intrusions.