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Table 2 Mean Yale-Brown Obsessive-Compulsive Scale (YBOCS) baseline, endpoint, and change scores by treatment group

From: Computer-assisted cognitive behavior therapy for obsessive-compulsive disorder: a randomized trial on the impact of lay vs. professional coaching

Treatment arm

Baseline mean (SD)

Endpoint mean (SD)

Change mean (SD)

95% confidence interval, change

t

p

No coaching (n = 28)

22.82 (3.68)

16.32 (6.97)

6.50 (5.72)

4.29, 8.72

6.014

.000

Lay coaching (n = 28)

22.71 (3.97)

15.61 (5.88)

7.1071 (6.12)

4.73, 9.48

6.147

.000

Therapist coaching (n = 31)

21.81 (4.05)

15.32 (7.04)

6.4839 (6.09)

4.25, 8.72

5.930

.000

Total (N = 87)

      
  1. t and p are for within subject values.