Validity and clinical utility of the obsessive compulsive inventory - child version: further evaluation in clinical samples

Table 4 Pre- and post-treatment means and standard deviations together with results for paired samples t-tests and effect sizes across study measures for the reassessed OCD participants

Measure	Pre-treatment	Min-Max	Post-treatment	Min-Max	df	t-value	p-value	Cohen’s d (95% CI)
OCI-CV
Total score	18.17 (7.47)	3–39	11.78 (7.68)	0–33	282	13.97	< .001	0.87 (0.71, 1.03)
Doubting/checking	4.78 (2.68)	0–10	2.94 (2.39)	0–10	282	11.84	< .001	0.73 (0.57, 0.88)
Obsessing	4.55 (2.11)	0–8	3.47 (1.92)	0–8	282	9.95	< .001	0.51 (0.36, 0.66)
Hoarding	1.35 (1.59)	0–6	1.05 (1.42)	0–6	282	4.06	< .001	0.22 (0.07, 0.37)
Washing	3.06 (2.23)	0–6	1.74 (1.84)	0–6	282	11.19	< .001	0.67 (0.52, 0.83)
Ordering	2.89 (2.08)	0–6	2.04 (1.91)	0–6	282	7.70	< .001	0.43 (0.28, 0.58)
Neutralizing	1.55 (1.57)	0–6	0.89 (1.27)	0–6	282	7.62	< .001	0.49 (0.34, 0.64)
CY-BOCS	23.09 (4.61)	11–36	11.12 (6.79)	0–30	276	26.32	< .001	2.15 (1.97, 2.32)
CDI-S^a	5.82 (3.96)	0–18	3.96 (3.94)	0–20	181	7.77	< .001	0.45 (0.27, 0.62)

OCD Obsessive-Compulsive Disorder, OCI-CV Obsessive Compulsive Inventory – Child Version, CY-BOCS Children’s Yale-Brown Obsessive Compulsive Scale, CDI-S Children’s Depression Inventory – Short Version. ^aData available for 182 participants

ISSN: 1471-244X