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Social Psychiatry and Psychiatric Epidemiology

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01.12.2015 | Original Paper

Economic inequality is related to cross-national prevalence of psychotic symptoms

verfasst von: Sheri L. Johnson, Erik Wibbels, Richard Wilkinson

Erschienen in: Social Psychiatry and Psychiatric Epidemiology | Ausgabe 12/2015

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Abstract

Purpose

A burgeoning literature documents robust links of income inequality with the prevalence of psychological disorders. The aim of this paper is to extend this literature by examining the effects of cross-national income inequality on prevalence of psychotic symptoms.

Method

Analyses used archival data of representative samples from 50 countries (N = 249,217). Four types of psychotic symptoms were assessed using the well-validated CIDI interview. We examined the effects of Standardized World Income Inequality Database (SWIID) measures of the concentration of income in the top percentile of people and the Gini coefficient of income inequality.

Results

Income inequality was significantly correlated with the national prevalence of hallucinations, delusions of thought control, and delusional mood, and effects withstood control over national indices of per capita income and regime type. Findings were also robust to nonparametric bootstrapping.

Conclusions

Although the cross-sectional design limits ability to claim causality, income inequality appears important for understanding psychotic symptoms.

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Titel: Economic inequality is related to cross-national prevalence of psychotic symptoms
verfasst von: Sheri L. Johnson
Erik Wibbels
Richard Wilkinson
Publikationsdatum: 01.12.2015
Verlag: Springer Berlin Heidelberg
Erschienen in: Social Psychiatry and Psychiatric Epidemiology / Ausgabe 12/2015
Print ISSN: 0933-7954
Elektronische ISSN: 1433-9285
DOI: https://doi.org/10.1007/s00127-015-1112-4

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