Mental disorders, suicide attempt and suicide: differences in the association in refugees compared with Swedish-born individuals

Author:

Björkenstam EmmaORCID,Helgesson Magnus,Amin RidwanulORCID,Mittendorfer-Rutz Ellenor

Abstract

BackgroundMental disorders are associated with an elevated risk for suicide attempt and suicide. Whether the strength of the associations also holds for refugees is unclear.AimsTo examine the relationship between specific mental disorders and suicide attempt and suicide in refugees and Swedish-born individuals.MethodThis 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.ResultsRates 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.ConclusionsFor 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 interestNone.

Publisher

Royal College of Psychiatrists

Subject

Psychiatry and Mental health

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