Change in obsessive beliefs as predictor and mediator of symptom change during treatment of obsessive-compulsive disorder – a process-outcome study

Table 3 Regression analysis with obsessive-compulsive symptoms (T3) as outcome and obsessive belief-changes (∆T1-T2) as predictor

	∆R ²	∆F	p	B	SE B	β	t	p
Step 1	.27	26.03	< .001
Y-BOCS T1				0.66	0.13	.52	5.10	< .001
Step 2	.01	0.71	.40
Y-BOCS T1				0.63	0.13	.50	4.77	< .001
BDI-II T1				0.06	0.08	.09	0.85	.40
Step 3	.06	5.64	.02
Y-BOCS T1				0.61	0.13	.49	4.77	< .001
BDI-II T1				0.05	0.07	.07	0.73	.47
OBQ-Global ∆T1-T2				-1.89	0.80	-.24	-2.38	.02

Note. N = 71. Obsessive-compulsive and depressive symptoms (T1) were entered as covariates. T1 = intake, T2 = after six weeks of treatment, T3 = discharge. Y-BOCS = Yale-Brown Obsessive Compulsive Scale. OBQ-Global = Obsessive Beliefs Questionnaire Global Score. BDI-II = Beck Depression Inventory-II

ISSN: 1471-244X