Table 3.

Individual Linear Regression Models to Test Number of Childhood Obsessive-Compulsive Personality Traits as Predictor of OCD Symptom Factors in Adults with OCD (n = 56)

OCD Symptom Factors	ß	R2 Δ	F Δ	t	p
Taboo Thoughtsa	.02	<.01	.01	.11	.910
Contamination/Cleaningb	.30	.08	4.89	2.21	.031
Doubt/Checkingc	.37	.12	7.50	2.74	.008
Hoardingd	.14	.02	.89	.94	.350
Symmetry/Orderinge	.30	.08	5.28	2.30	.026

Note. OCD onset age and OCPD diagnosis were entered as covariates in Step 1.

^aR² for Step 1 = .12, F(2, 53) = 3.53, p = .036.

^bR² for Step 1 = .04, F(2, 53) = 1.17, p = .318.

^cR² for Step 1 = .04, F(2, 53) = 1.00, p = .376.

^dR² for Step 1 = .01, F(2, 53) = 0.33, p = .721.

^eR² for Step 1 = .15, F(2, 53) = 4.70, p = .013.