Validation of the Spanish version of the Dimensional Yale-Brown Obsessive-Compulsive Scale (DYBOCS) in children and adolescents

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Garcia-Delgar, B.
Ortiz, A. E.
Morer, A.
Alonso, P.
do Rosario, M. C. [UNIFESP]
Lazaro, L.
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Background: Obsessive compulsive disorder (OCD) is best understood as a complex overlap of obsessive compulsive (OC) symptom dimensions with specific clinical and etiological characteristics. The Dimensional Yale Brown Obsessive Compulsive Scale (DYBOCS) was developed to assess the presence and severity of each of these OC symptom dimensions. Despite showing excellent psychometric properties in adults, the psychometric properties of the DYBOCS have not been widely investigated in children and adolescents. Methods: We examined the psychometric properties of the DYBOCS Spanish version in a sample of 97 OCD children and adolescents. Results: The results of the psychometric analyses Were excellent overall. The internal consistency for each OC symptom dimension was high, although somewhat lower than in previous studies with adult samples. The DYBOCS showed overall good convergent and divergent validity. Factors obtained from a principal component analysis corresponded with the five DYBOCS dimensions (aggressive, sexual/religious, contamination symmetry and hoarding) and each one accounted for approximately 20% of the variance. Conclusions: The DYBOCS is a valid instrument for assessing the frequency and severity of OC symptom dimensions in children and adolescents with OCD. The principal component analysis supported the division of OC symptoms into five dimensions. OCD is a heterogeneous disorder, and a dimensional approach can help to understand its clinical, etiological and treatment response characteristics. (C) 2016 Elsevier Inc. All rights reserved.
Comprehensive Psychiatry. Philadelphia, v. 68, p. 156-164, 2016.