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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. [ABSTRACT FROM AUTHOR]

Purpose: Military populations may experience more severe forms of domestic violence than the general population. Although mental disorders are associated with domestic violence perpetration among the general population, it is not clear whether this is the case for military populations. This review aimed to establish the prevalence and odds of domestic violence perpetration among male and female military personnel with mental disorders.Methods: Systematic review: searches of eleven electronic databases were supplemented by hand searches, reference screening, citation tracking and expert recommendations.Results: Ten studies were included; nine reporting on partner violence and one on violence against an adult family member. Median prevalence estimates were calculated for partner violence perpetration among male military personnel with post-traumatic stress disorder (PTSD); estimates on other disorders were not possible due to lack of data. 27.5 % of men with PTSD reported past year physical violence perpetration against a partner and 91.0 % reported past year psychological violence perpetration against a partner. Due to limited data, no median estimates could be calculated for female military personnel. Data from individual papers indicate increased odds of past year partner violence perpetration among male and female military personnel with depression; inconsistent findings were reported for risk of partner violence perpetration among male and female military personnel with PTSD.Conclusions: There is some evidence that mental disorders among military personnel are associated with past year domestic violence perpetration, though current data cannot confirm direction of causality. Research is needed to inform the development of interventions targeted to reduce domestic violence perpetration among military personnel. [ABSTRACT FROM AUTHOR]