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Lookup NU author(s): Dr Gareth RichardsORCiD, Dr Claire Allison, Professor Jacqueline Rodgers
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
Background: Autism and autistic traits are risk factors for suicidal behaviour. Aims: To explore the prevalence of autism (diagnosed and undiagnosed) in those who died by suicide, and identify risk factors for suicide in this group. Methods: Stage 1: 372 coroners’ inquest records, covering the period 1st January 2014 – 31st December 2017 from two regions of England, were analysed for evidence that the person who died had diagnosed autism or undiagnosed possible autism (elevated autistic traits), and identified risk markers. Stage 2: 29 follow-up interviews with next of kin of those who died gathered further evidence of autism and autistic traits using validated autism screening and diagnostic tools. Results: Stage 1: Evidence of autism (10.7%) was significantly higher in those who died by suicide than the 1.1% prevalence expected in the UK general alive population (OR 11.08, 95% CI 3.92 – 31.31). Stage 2: 5 (17.2%) of the follow-up sample had evidence of autism identified from the coroners’ records in Stage 1. We identified evidence of undiagnosed possible autism in an additional 7 (24.1%) individuals, giving a total of 12 (41.4%); significantly higher than expected in the general alive population (1.1%) (OR 19.76, 95% CI 2.36 – 165.84). Characteristics of those who died were largely similar regardless of evidence of autism, with groups experiencing a comparably high number of multiple risk markers before they died. Conclusions: Elevated autistic traits are significantly over-represented in those who die by suicide.
Author(s): Cassidy S, Au-Yeung S, Robertson A, Cogger-Ward H, Richards G, Allison C, Bradley L, Kenny R, O'Connor R, Mosse D, Rodgers J, Baron-Cohen S
Publication type: Article
Publication status: Published
Journal: British Journal of Psychiatry
Year: 2022
Volume: 221
Issue: 5
Pages: 683-691
Print publication date: 01/11/2022
Online publication date: 15/02/2022
Acceptance date: 19/01/2022
Date deposited: 25/01/2022
ISSN (print): 0007-1250
ISSN (electronic): 1472-1465
Publisher: Cambridge University Press
URL: https://doi.org/10.1192/bjp.2022.21
DOI: 10.1192/bjp.2022.21
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