Validation of the Russianversion of the Maudsley Obsessive-Compulsive Inventory (MOCI) in Population and Clinical Samples

Relevance. Obsessive-compulsive disorder (OCD) is the third most common psychiatric disorder, potentially disabling with significant social and economic consequences. In Russia, little attention is paid to the study of OCD, which leads to the problem of differential diagnosis and effective treatment of OCD. One of the reasons for the insufficient attention to OCD is the lack of validated Russian questionnaires for diagnosing OCD. The purpose of this work is the initial validation of a translated version of the Maudsley Obsessive-Compulsive Inventory (MOCI). Characteristics of the surveyed groups. A population-based sample of 300 students (212 women and 88 men) and a clinical sample of 13 patients with anxiety and depressive disorders (8 women and 5 men) and 13 patients with OCD (11 women and 2 men) participated in the study. Severity of OCD symptoms were assessed with the translated version of Maudsley questionnaire. Results. According to our data, the MOCI questionnaire allows to differentiate reliably (p = 0,027) patients with OCD from patients with anxiety-depressive disorders and can be suitable as a primary diagnostic test for identifying OCD patients (p < 0,05) and the risk group. The reliability and convergent validity of the questionnaire were shown.

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