TABLE 3.

Varimax-Rotated Factor Structure for Yale-Brown Obsessive Compulsive Scale Symptom Checklist^a

Symptom Category	Factor
	Symmetry			Forbidden Thoughts			Cleaning			Hoarding
	T	A	C	T	A	C	T	A	C	T	A	C
Aggression	0.01	0.01	−0.01	0.86	0.87	0.72	0.05	0.00	0.40	−0.01	−0.01	0.00
Contamination	0.00	−0.01	0.01	0.03	0.03	0.13	0.97	0.98	0.90	−0.01	−0.01	−0.05
Sexual	−0.03	−0.04	0.01	0.86	0.85	0.95	−0.09	−0.09	−0.05	−0.03	−0.02	0.02
Hoarding obsessions	0.22	0.24	0.05	0.01	0.01	0.00	−0.01	0.00	0.03	0.97	0.96	0.99
Religious	0.01	−0.02	0.04	0.85	0.86	0.83	−0.06	−0.09	0.05	−0.04	−0.03	−0.02
Symmetry	0.91	0.94	0.88	0.00	0.01	0.07	0.00	0.00	0.02	0.13	0.15	−0.06
Somatic	0.00	0.00	0.02	0.52	0.52	0.09	0.33	0.24	0.87	0.06	0.00	0.18
Cleaning	0.02	0.00	0.10	0.05	0.06	0.03	0.98	0.99	0.92	0.00	0.00	−0.03
Checking	0.36	0.31	0.66	0.48	0.53	−0.03	0.20	0.21	0.03	0.21	0.18	0.40
Repeating	0.91	0.93	0.97	0.03	0.03	−0.03	0.01	0.01	0.03	0.12	0.13	−0.03
Counting	0.86	0.88	0.89	0.04	0.04	0.06	0.00	0.00	0.07	0.13	0.15	−0.04
Ordering	0.92	0.95	0.87	0.00	0.00	−0.02	−0.01	0.00	0.02	0.17	0.18	0.06
Hoarding compulsions	0.22	0.24	0.01	0.01	0.01	0.00	0.00	0.00	0.04	0.97	0.96	0.99
Percent variance	26.7%	26.7%	28.7%	21.0%	21.9%	16.4%	15.9%	15.8%	19.9%	15.4%	15.2%	16.7%

^aVarimax-rotated factor loadings for the total OCD sample (T), adult studies (A), and child studies (C). The highest loading for each symptom category in each sample is bolded.