Self-, parent-report and interview measures of obsessive-compulsive disorder in children and adolescents
Uher, R., Heyman, I., Turner, C. A. and Shafran, R. (2008) Self-, parent-report and interview measures of obsessive-compulsive disorder in children and adolescents. Journal of Anxiety Disorders, 22 (6). pp. 979-990. ISSN 0887-6185
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To link to this article DOI: 10.1016/j.janxdis.2007.10.001
Self-report measures of obsessive-compulsive disorder (OCD) in children and adolescents are needed for practical evaluation of severity and treatment response. We compared the self- and parent-report Obsessional Compulsive Inventory Revised (CHOCI-R) to the interview-based Child Yale-Brown Obsessive-Compulsive Scale (CY-BOCS) in a clinical sample of 285 children and adolescents with OCD. Classical test theory and item-response theory were applied to compare the instruments. The self- and parent-report CHOCI-R had good internal consistency and were strongly related to each other. The self- and parent-report CHOCI-R severity scores correlated with the CY-BOCS (Pearson's r 0.55 and 0.45 respectively). The CY-BOCS discriminated better at the severe end of the spectrum. The CHOCI-R provided better discrimination in the mild to moderate range. The time-efficient self- and parent-report alternatives will enable routine measurement of OCD severity in clinical practice. Estimates of equivalent summed scores are provided to facilitate comparison. (c) 2007 Elsevier Ltd. All rights reserved.