Journal
JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS
Volume 50, Issue 10, Pages 3620-3637Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10803-020-04393-8
Keywords
Autism spectrum condition; Interpersonal theory of suicide; Perceived burden; Thwarted belonging; Suicide; Suicidality; Trauma; Capability for suicide
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Funding
- Coventry University
- Funds for Women Graduates [GA-00109]
- Economic and Social Research Council [ES/N000501/2]
- Autistica
- International Society for Autism Research
- Slifka-Ritvo Foundation
- Autism Research Trust
- Wellcome Trust
- Templeton World Charitable Foundation
- NIHR Biomedical Research Centre in Cambridge
- Innovative Medicines Initiative 2 Joint Undertaking (JU) [777394]
- European Union
- EFPIA
- AUTISM SPEAKS
- SFARI
- National Institute for Health Research (NIHR) Collaboration for Leadership in Applied Health Research and Care East of England at Cambridgeshire and Peterborough NHS Foundation Trust
- NIHR Applied Research Centre West Midlands
- ESRC [ES/N000501/2, ES/N000501/1] Funding Source: UKRI
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This study explored whether the Interpersonal Theory of suicide informs our understanding of high rates of suicidality in autistic adults. Autistic and non-autistic adults (n = 695, mean age 41.7 years, 58% female) completed an online survey of self-reported thwarted belonging, perceived burden, autistic traits, suicidal capability, trauma, and lifetime suicidality. Autistic people reported stronger feelings of perceived burden, thwarted belonging and more lifetime trauma than non-autistic people. The hypothesised interaction between burdensomeness and thwarted belonging were observed in the non-autistic group but not in the autistic group. In both groups autistic traits influenced suicidality through burdensomeness/thwarted belonging. Promoting self-worth and social inclusion are important for suicide prevention and future research should explore how these are experienced and expressed by autistic people.
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