Journal
BRITISH JOURNAL OF PSYCHIATRY
Volume 217, Issue 6, Pages 679-685Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1192/bjp.2019.215
Keywords
Suicide; epidemiology; migration; cohort; transcultural psychiatry
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Background Mental disorders are associated with an elevated risk for suicide attempt and suicide. Whether the strength of the associations also holds for refugees is unclear. Aims To examine the relationship between specific mental disorders and suicide attempt and suicide in refugees and Swedish-born individuals. Method This longitudinal cohort study included 5 083 447 individuals aged 16-64 years, residing in Sweden in 2004, where 196 757 were refugees. Mental disorders were defined as having a diagnosis in psychiatric care during 2000-2004. Estimates of risk of suicide attempt and suicide were calculated as hazard ratios with 95% confidence intervals. Adjustments were made for important confounding factors, including history of attempt. The reference group comprised Swedish-born individuals without mental disorders. Results Rates for suicide attempt in individuals with a mental disorder were lower in refugees compared with Swedish-born individuals (480 v. 850 per 100 000 person-years, respectively). This pattern was true for most specific disorders: compared with the reference group, among refugees, multivariable-adjusted hazard ratios for suicide attempt ranged from 3.0 (anxiety) to 7.4 (substance misuse), and among Swedish-born individuals, from 4.9 (stress-related disorder) to 9.3 (substance misuse). For schizophrenia, bipolar disorder and personality disorder, estimates for suicide attempt were comparable between refugees and Swedish-born individuals. Similar patterns were seen for suicide. Conclusions For most mental disorders, refugees were less likely to be admitted to hospital for suicide attempt or die by suicide compared with Swedish-born individuals. Further research on risk and protective factors for suicide attempt and suicide among refugees with mental disorders is warranted. Declaration of interest None.
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