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

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.Catalonia Government, Comissionat per Universitats i Recerca del Departament d'Innovacio, Universitats I Empresa (DIVE)Hosp Clin Univ, Inst Neurosci, Dept Child & Adolescent Psychiat & Psychol, C Villarroel 170, Barcelona 08036, SpainIDIBAPS, Barcelona, SpainInst Carlos III, Ctr Invest Red Salud Mental CIBERSAM, Barcelona, SpainBellvitge Hosp, Dept Psychiat, Obsess Compuls Clin & Res Unit, Feixa Llarga S-N, Barcelona 08907, SpainUniv Barcelona, Bellvitge Biomed Res Inst IDIBELL, Bellvitge Campus, Barcelona, SpainUniv Barcelona, Dept Clin Sci, Bellvitge Campus, Barcelona, SpainFed Univ Sao Paulo UNIFESP, Dept Psychiat, Child & Adolescent Psychiat Unit UPIA, Rua Pedro Toledo 590, BR-04038020 Sao Paulo, BrazilUniv Barcelona, Dept Psychiat & Clin Psychobiol, C Casanova 143, E-08036 Barcelona, SpainFed Univ Sao Paulo UNIFESP, Dept Psychiat, Child & Adolescent Psychiat Unit UPIA, Rua Pedro Toledo 590, BR-04038020 Sao Paulo, BrazilCatalonia Government, Comissionat per Universitats i Recerca del Departament d'Innovacio, Universitats I Empresa (DIVE): 2014SGR489Web of Scienc