Please use this identifier to cite or link to this item: https://repositorio.unifesp.br/handle/11600/30564
Title: Obsessive-compulsive disorder: Influence of age at onset on comorbidity patterns
Authors: Mathis, Maria Alice de
Rosario, Maria Conceicao do [UNIFESP]
Diniz, Juliana Belo
Torres, Albina Rodrigues
Shavitt, Roseli Gedanki
Ferrao, Ygor Arzeno
Fossaluza, Victor
Braganca Pereira, Carlos Alberto de
Miguel, Euripedes Constantino
Universidade de São Paulo (USP)
Porto Alegre Inst Univ Ctr
Universidade Federal de São Paulo (UNIFESP)
Keywords: obsessive-compulsive disorder
age at onset
comorbidity
early onset
late onset
Issue Date: 1-Apr-2008
Publisher: Elsevier B.V.
Citation: European Psychiatry. Paris: Elsevier France-editions Scientifiques Medicales Elsevier, v. 23, n. 3, p. 187-194, 2008.
Abstract: Purpose. - This study investigates the influence of age at onset of OCS on psychiatric comorbidities, and tries to establish a cut-off point for age at onset.Methods. - Three hundred and thirty OCD patients were consecutively recruited and interviewed using the following structured interviews: Yale-Brown Obsessive Compulsive Scale; Yale Global Tic Severity Scale and the Structured Clinical Interview for DSM-IV. Data were analyzed with regression and cluster analysis.Results. - Lower age at onset was associated with a higher probability of having comorbidity with tic, anxiety, somatoform, eating and impulse-control disorders. Longer illness duration was associated with lower chance of having tics. Female gender was associated with anxiety, eating and impulse-control disorders. Tic disorders were associated with anxiety disorders and attention-deficit/hyperactivity disorder. No cutoff age at onset was found to clearly divide the sample in homogeneous subgroups. However, cluster analyses revealed that differences started to emerge at the age of 10 and were more pronounced at the age of 17, suggesting that these were the best cut-off points on this sample.Conclusions. - Age at onset is associated with specific comorbidity patterns in OCD patients. More prominent differences are obtained when analyzing age at onset as an absolute value. (C) 2008 Elsevier Masson SAS. All rights reserved.
URI: http://repositorio.unifesp.br/handle/11600/30564
ISSN: 0924-9338
Other Identifiers: http://dx.doi.org/10.1016/j.eurpsy.2008.01.002
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