Associations between core symptoms of attention deficit hyperactivity disorder and both binge and restrictive eating

Panagiota Kaisari, Colin T. Dourish, Pia Rotshtein, Suzanne Higgs

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: It is unclear whether core symptoms of attention deficit hyperactivity disorder (ADHD) relate to specific types of disordered eating and little is known about the mediating mechanisms. We investigated associations between core symptoms of ADHD and binge/disinhibited eating and restrictive eating behavior and assessed whether negative mood and/or deficits in awareness and reliance on internal hunger/satiety cues mediate these relationships. Methods: In two independent studies, we used a dimensional approach to study ADHD and disordered eating. In Study 1, a community-based sample of 237 adults (72.6% female, 18-60 years [M = 26.8, SE = 0.6]) completed an online questionnaire, assessing eating attitudes/behaviors, negative mood, awareness, and reliance on internal hunger/satiety cues and ADHD symptomatology. In Study 2, 142 students (80.3% female, 18-32 years [M = 19.3, SE = 0.1]) were recruited to complete the same questionnaires and complete tasks assessing interoceptive sensitivity and impulsivity in the laboratory. Results: In each study, core symptoms of ADHD correlated positively with both binge/disinhibited and restrictive eating and negative mood mediated the relationships. Deficits in awareness and reliance on internal hunger/satiety signals also mediated the association between inattentive symptoms of ADHD and disordered eating, especially binge/disinhibited eating. The results from both studies demonstrated that inattentive symptoms of ADHD were also directly related to binge/disinhibited eating behavior, while accounting for the indirect pathways of association via negative mood and awareness and reliance on internal hunger/satiety signals. Conclusion: This research provides evidence that core symptoms of ADHD are associated with both binge/disinhibited eating and restrictive eating behavior. Further investigation of the role of inattentive symptoms of ADHD in disordered eating may be helpful in developing novel treatments for both ADHD and binge eating.

Original languageEnglish
Article number103
JournalFrontiers in Psychiatry
Volume9
Issue numberMAR
DOIs
StatePublished - 29 Mar 2018
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2018 Kaisari, Dourish, Rotshtein and Higgs.

Keywords

  • Attention deficit hyperactivity disorder
  • Binge eating
  • Implications for therapy
  • Inattention
  • Restrictive eating

ASJC Scopus subject areas

  • Psychiatry and Mental health

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