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Table 2 Results and effect sizes of the primary and secondary outcome measures (N = 43)

From: The effectiveness and acceptability of the Bergen 4-day treatment for adolescents with OCD: a replication and extension

Variable

Pre

Mean (SD)

Post

Mean (SD)

F-up

Mean (SD)

ES Pre– post

ES Pre - f-up

CY-BOCS

26.0 (4.1)

11.1 (4.6)

8.4 (5.8)

3.43

3.52

GAD-7

11.3 (4.8)

8.6 (5.4)

6.4 (4.2)

0.54

1.09

PHQ-9

10.8 (6.0)

8.9 (5.6)

8.3 (5.4)

0.37

0.45

  1. ES: Effect size measured by Cohen’s D.