Suicidality is highly prevalent in both autistic and possibly autistic people without co-occurring intellectual disability, according to a systematic review and meta-analysis published in MolecularAutism.
]. Agreement was fair for the title and abstract screen , and moderate for the full-text screen . All discrepancies were discussed to reach a consensus, and where this could not be resolved, the opinion of a third reviewer was sought .From the studies eligible for the review, data of interest was manually extracted by the first author .
Study level data—study design; ascertainment of autism or possible autism; measure of suicidality; type of report used in suicidality measure; and observation period of suicidality assessment. Prevalence was classified into outcomes of suicidal ideation, suicide plans, or suicide attempts and behaviours. Suicide attempts and behaviours covered both suicide attempts and estimates of suicidal behaviour where it was unclear whether this was a suicide attempt per se but was still assumed to have had suicidal intent.
Some studies provided prevalence for more than one suicidality outcome, meaning a single study could contribute to multiple pooled prevalence estimates in the review. If no absolute number of events could be obtained, authors were contacted to provide the information, or this was calculated from the related proportion and total number of participants.
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