Table 2.

Frequency of OCD Symptoms by YBOCS-SC Category and Varimax Rotated Factor Structure Using Principal Components Factor Analysis (n = 485)

	Frequency		Factor Loading
YBOCS-SC Categories
	%	Symmetry/ Ordering	Taboo Thoughts	Hoarding	Doubt/ Checking	Contam/ Cleaning
Ordering and arranging	50.0	0.839	−0.048	0.094	−0.074	0.033
Obsessions of symmetry	50.4	0.823	−0.073	0.022	0.070	0.020
Repeating rituals	51.5	0.502	0.188	0.023	0.090	0.147
Counting compulsions	33.5	0.476	0.143	0.072	0.148	0.088
Sexual obsessions	25.9	−0.035	0.808	0.040	0.021	−0.016
Religious obsessions	30.8	0.094	0.737	−0.061	0.043	0.146
Aggressive obsessions	57.9	0.114	0.588	−0.003	0.438	−0.069
Hoarding obsessions	34.1	0.087	0.043	0.923	0.049	0.030
Hoarding compulsions	36.4	0.097	−0.041	0.921	−0.004	−0.011
Overresponsibility for harm	42.5	−0.050	0.088	0.051	0.859	0.075
Checking compulsions	72.8	0.261	0.114	−0.019	0.781	0.181
Contamination obsessions	59.4	0.042	0.174	0.034	0.164	0.877
Cleaning compulsions	59.2	0.194	−0.030	−0.022	0.055	0.873
Somatic obsessions	40.0	0.168	0.380	0.064	0.286	0.258
Percentage of variance explained	--	22.5	13.7	11.1	9.2	7.6

Robust loadings (≥ 0.45) are printed in bold underline. Symmetry/Ordering: Obsessions of symmetry, and repeating, counting and ordering/arranging compulsions; Taboo Thoughts: Aggressive, sexual, and religious obsessions; Hoarding: Hoarding obsessions and compulsions; Doubt/Checking: Overresponsibility for harm obsessions and checking compulsions; Contamination/Cleaning: Contamination obsessions and cleaning compulsions. YBOCS-SC = Yale-Brown Obsessive Compulsive Scale Symptom Checklist.