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About 30% of men with schizophrenia or schizoaffective disorders have obsessive-compulsive symptoms

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Q How frequently do obsessive-compulsive symptoms occur in people with schizophrenia or schizoaffective disorders?


Embedded ImageDesign:

Cross sectional study.

Embedded ImageSetting:

Two Veterans Administration outpatient mental health clinics, Gainesville, USA.

Embedded ImagePopulation:

100 adults with schizophrenic or schizoaffective disorder (DSM-IV; 98% male; mean age 47 years). Exclusions: <18 years old; unable to provide coherent description of symptoms; or too agitated to participate.

Embedded ImageAssessment:

All participants were assessed for the presence of obsessive-compulsive symptoms over the past six months (Part A of the Florida Obsessive Compulsive Inventory (FOCI), Yale-Brown Obsessive Compulsive Scale (Y-BOCS)). A subset of participants (n = 58) agreed to a second interview which included independent assessment of social and occupational function (Social and Occupational Functioning Scale (SOFAS)) and schizophrenia symptoms (Positive and Negative Syndrome Scale …

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  • For correspondence: Dr M Byerly, U T Southwestern, Psychiatry, 6363 Forest Park Road, Suite 651, Dallas 75235, TX, USA; Matt.Byerly{at}

  • Sources of funding: National Alliance for Research on Schizophrenia and Depression, USA; National Institute of Mental Health, USA.