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<p>Existing literature on the relationship between core autistic traits and disordered eating (DE) in autistic people has limitations in relation to exploring the direction and mechanisms of this relationship. This study aimed to examine the extent to which the relationship between core autistic traits and DE is sequentially mediated through poor sleep quality and mood problems in a community sample of adolescents and adults while controlling for potential covariates. A total of 234 individuals between 16 and 67 years of age participated in the current online anonymous cross-sectional study. Participants were selected based on their response to the self-reported Autism spectrum diagnosis status and completed a battery of standardized scales, including the Abridged Version of the Autism Spectrum Quotient (AQ – Short), Shortened Pittsburgh Sleep Quality Index (sPSQI), Hospital Anxiety and Depression Scale (HADS), Eating Attitudes Test-26 (EAT-26), Inflexible Eating Questionnaire (IEQ) and Nine Item Avoidant/Restrictive Food Intake Disorder Questionnaire (NIAS). The results indicated a direct association between core autistic traits and all outcomes, and an indirect effect of core autistic traits on EAT-26 and NIAS outcomes rather than IEQ outcomes through poor sleep quality and anxious/depressive symptomology. Further exploration of the role of core autistic traits may facilitate the development of novel person-centred treatments for both Autism spectrum and DE, specifically rigid eating behaviours and ARFID symptomology.</p>

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Autism spectrum and disordered eating: the mediating roles of poor sleep quality and mood problems

  • 期刊论文

  • 发表日期：

    2025年8月27日

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  • Hasan Huseyin Ates,
  • Emily Newman,
  • Joanne M. Williams

摘要

Existing literature on the relationship between core autistic traits and disordered eating (DE) in autistic people has limitations in relation to exploring the direction and mechanisms of this relationship. This study aimed to examine the extent to which the relationship between core autistic traits and DE is sequentially mediated through poor sleep quality and mood problems in a community sample of adolescents and adults while controlling for potential covariates. A total of 234 individuals between 16 and 67 years of age participated in the current online anonymous cross-sectional study. Participants were selected based on their response to the self-reported Autism spectrum diagnosis status and completed a battery of standardized scales, including the Abridged Version of the Autism Spectrum Quotient (AQ – Short), Shortened Pittsburgh Sleep Quality Index (sPSQI), Hospital Anxiety and Depression Scale (HADS), Eating Attitudes Test-26 (EAT-26), Inflexible Eating Questionnaire (IEQ) and Nine Item Avoidant/Restrictive Food Intake Disorder Questionnaire (NIAS). The results indicated a direct association between core autistic traits and all outcomes, and an indirect effect of core autistic traits on EAT-26 and NIAS outcomes rather than IEQ outcomes through poor sleep quality and anxious/depressive symptomology. Further exploration of the role of core autistic traits may facilitate the development of novel person-centred treatments for both Autism spectrum and DE, specifically rigid eating behaviours and ARFID symptomology.