Table 3.

Regression analysis of the OCI-CV scale t₁ scores on the OBQ-CV and CDI t₀ scores (n = 754)

Outcome: OCI-CV Ordering at t1	β	t	p value	R2 change	R2
OBQ-CV Perfectionism/Intolerance of Uncertainty at t0	0.19	4.69	< 0.001	0.08
CDI Total at t0	0.13	3.66	< 0.001	0.02	0.11
OBQ-CV Threat Overestimation at t0	0.13	3.31	< 0.001	0.01
Outcome: OCI-CV Washing at t1	β	t	p value	R2 change	R2
OBQ-CV Threat Overestimation at t0	0.19	4.74	< 0.001	0.08	0.10
OBQ-CV Perfectionism/Intolerance of Uncertainty at t0	0.17	0.18	< 0.001	0.02
Outcome: OCI-CV Doubting/Checking at t1	β	t	p value	R2 change	R2
OBQ-CV Perfectionism/Intolerance of Uncertainty at t0	0.21	5.63	< 0.001	0.16
CDI Total at t0	0.22	6.98	< 0.001	0.07	0.25
OBQ-CV Threat Overestimation at t0	0.17	4.28	< 0.001	0.03
OBQ-CV Importance/Control of Thoughts at t0	0.09	2.62	< 0.01	0.01
Outcome: OCI-CV Neutralising at t1	β	t	p value	R2 change	R2
OBQ-CV Threat Overestimation at t0	0.21	4.93	< 0.001	0.08
CDI Total at t0	0.18	5.35	< 0.001	0.04	0.14
OBQ-CV Perfectionism/Intolerance of Uncertainty at t0	0.14	3.67	< 0.001	0.01
OBQ-CV Inflated Responsibility at t0	0.09	2.50	< 0.05	0.01
Outcome: OCI-CV Hoarding at t1	β	t	p value	R2 change	R2
CDI Total at t0	0.17	4.76	< 0.001	0.04
OBQ-CV Importance/Control of Thoughts at t0	0.10	2.74	< 0.001	0.02	0.06
OBQ-CV Inflated Responsibility at t0	0.09	2.41	< 0.05	0.01
Outcome: OCI-CV Pure obsessing at t1	β	t	p value	R2 change	R2
CDI Total at t0	0.26	7.53	< 0.001	0.10	0.16
OBQ-CV Threat Overestimation at t0	0.24	7.17	< 0.001	0.06

Note. CDI = Children Depression Inventory, OBQ-CV = Obsessive Belief Questionnaire-Child Version, OCI-CV = Obsessive Compulsive Inventory-Child Version. t₀ = baseline, t₁ = one-year follow-up.