Abstract
Objective To study the symptom dimensions of obsessive-compulsive disorder(OCD) of Chinese patients. Methods This study examined apriori categories used to group types of obsessions and compulsions in the Yale-Brown Obsessive Compulsive Scale symptom checklist, in a group of Chinese patients with OCD (n=536). A principal-components factor analysis with a varimax rotation was performed. Results Five factors(explaining)-hoarding(16.17%), contamination/cleaning (13.65%), symmetry/ordering(12.82%), aggressive/checking(10.44%), somatic/repeating(8.38%)-emerged in this analysis, in total accounting for more than 60%of the variance. Conclusion The result suggests a multidimensional model of Chinese OCD patients and these five factors may be helpful in identifing the subtype of OCD. Key words: Obsessive-compulsive disorder; Symptom dimension; Factor-analysis
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