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Sociodemographic and clinical correlates of psychotic symptoms in the general population: Findings from the MHGP survey

Abstract : Abstract BACKGROUND: We aimed to explore the sociodemographic and psychiatric correlates of psychotic symptoms in a large general population sample. METHODS: The French Mental Health in the General Population cross-sectional survey interviewed 38,694 individuals using the Mini International Neuropsychiatric Interview. We looked for associations between the presence of lifetime psychotic symptoms, sociodemographic characteristics (including migrant status over three generations) and clinical characteristics. We then looked for associations regarding only hallucinations, delusional symptoms, and the co-occurrence of both hallucinations and delusional symptoms. To test the psychosis continuum hypothesis, associations with sociodemographic characteristics were compared with the characterized psychotic disorders' associations. RESULTS: We found that 22.3% of the population declared psychotic symptoms without psychotic disorders, including 5.7% who declared hallucinations, 20.5% delusional symptoms, 4.0% both hallucinations and delusional symptoms, and 2.8% characterized psychotic disorders. The presence of psychotic symptoms was associated with young age, migrant status (over three generations), secondary education level, low-income level and never-married and separated marital status. Hallucinations, delusional symptoms and the co-occurrence of both hallucinations and delusional symptoms showed the same correlates, and hallucinations were also associated with elementary education level. Characterized psychotic disorders showed the same correlates. Concerning clinical outcomes, the presence of psychotic symptoms, hallucinations and delusional symptoms was associated with all non-psychotic disorders, i.e., bipolar, depressive, alcohol use, generalized anxiety, social phobia, panic and post-traumatic stress disorders and dysthymia (except dysthymia, which was not associated with hallucinations). CONCLUSIONS: Our results indicate that psychotic symptoms are associated with broad psychopathologies and support the continuum model of psychosis.
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Submitted on : Thursday, July 13, 2017 - 12:36:51 PM
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Baptiste Pignon, Franck Schürhoff, Andrei Szöke, Pierre Alexis Geoffroy, Renaud Jardri, et al.. Sociodemographic and clinical correlates of psychotic symptoms in the general population: Findings from the MHGP survey. Schizophrenia Research, Elsevier, 2017, Epub ahead of print. ⟨10.1016/j.schres.2017.06.053⟩. ⟨inserm-01561800⟩



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