OTSLPCohortAutism research : official journal of the International Society for Autism Research2026

Traumatic Experiences, Psychological Distress and Suicide-Related Behaviors in Autistic Adults.

T A Chikaura, E Weir, S Griffiths and 7 others

PMID 41287978

WHAT IT FOUND

Autistic adults were more likely to report self-harm, suicide plans, and attempts than non-autistic adults, even after accounting for trauma and other conditions.

Higher lifetime trauma was associated with these outcomes in both groups. Childhood victimization and lack of support were frequent co-occurring factors.

Key findings

01After accounting for trauma and multiple co-occurring conditions, autistic adults remained at increased likelihood of reporting self-harm, suicide attempts, and suicide plans.

02Experiencing high levels of lifetime trauma (16+ traumas) was associated with lifetime psychological distress and suicide-related behaviors in both autistic and non-autistic adults.

03Childhood victimization and employment-related traumas were frequently associated with mental health conditions impacting daily life, self-harm, and suicide plans among autistic adults.

STILL TO COME

How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs

Read the rest of this summary

You get three full summaries a month, free, and we do not ask for a card. Search, the TL;DRs and your library stay unlimited either way.

Already have one?

What it does not show

The sample was predominantly female, highly educated, and UK-based, limiting generalizability to all autistic adults, particularly those with intellectual disabilities or lower socioeconomic status. The study is cross-sectional, so it cannot establish whether trauma led to suicide-related behaviors or vice versa. Trauma was measured as a binary count without considering severity, duration, or timing, which may underreport the complexity of traumatic experiences. Suicidal ideation was not assessed as an outcome, focusing only on plans, attempts, and self-harm.

Declared interests

The authors declare no conflicts of interest. Funding was provided by multiple sources including the Autism Research Trust, Wellcome Trust, and National Institute for Health and Care Research.

The easy way to misread this

Do not interpret the association between trauma and suicide-related behaviors as proof that trauma causes these outcomes. The cross-sectional design cannot determine temporal order, and the sample was not representative of all autistic adults, being mostly female and highly educated.

Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →