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Measurement Properties of the Suicidal Behaviour Questionnaire-Revised in Autistic Adults

Published version
Peer-reviewed

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Authors

Bradley, Louise 
Cogger-Ward, Heather 
Shaw, Rebecca 
Bowen, Erica 

Abstract

Abstract: We explored the appropriateness and measurement properties of a suicidality assessment tool (SBQ-R) developed for the general population, in autistic adults—a high risk group for suicide. 188 autistic adults and 183 general population adults completed the tool online, and a sub-sample (n = 15) were interviewed while completing the tool. Multi-group factorial invariance analysis of the online survey data found evidence for metric non-invariance of the SBQ-R, particularly for items three (communication of suicidal intent) and four (likelihood of suicide attempt in the future). Cognitive interviews revealed that autistic adults did not interpret these items as intended by the tool designers. Results suggest autistic adults interpret key questions regarding suicide risk differently to the general population. Future research must adapt tools to better capture suicidality in autistic adults.

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Keywords

S.I. : Suicidality and Self-harm in Autism, Autism spectrum condition, Asperger syndrome, Autistic, Suicide, Suicidality, Self-harm, Measurement properties, COSMIN, Measurement invariance, Cognitive interview

Journal Title

Journal of Autism and Developmental Disorders

Conference Name

Journal ISSN

0162-3257
1573-3432

Volume Title

50

Publisher

Springer US
Sponsorship
Economic and Social Research Council (ES/N000501/2)
Autistica (7249)