Transactions between early binge eating and personality predict transdiagnostic risk
Heather A Davis1, Anna Marie L Ortiz1, Gregory T Smith1
1Department of Psychology, University of Kentucky, Lexington, KY.
Summary
Early binge eating in children predicts later personality changes and dysfunction, including depression and externalizing behaviors. This highlights the critical impact of early eating disorder symptoms on long-term youth mental health.
Area of Science:
- Psychiatry
- Developmental Psychology
- Clinical Psychology
Background:
- Psychiatric comorbidities are common in youth with eating disorders.
- Understanding the developmental pathways of these comorbidities is crucial for early intervention.
Purpose of the Study:
- To investigate the longitudinal relationship between early binge eating and subsequent psychiatric comorbidities in youth.
- To examine the mediating role of personality traits (negative urgency, negative affect, lack of planning) in this relationship.
Main Methods:
- Longitudinal study of 1,906 US youth from elementary school through high school.
- Statistical modeling to assess predictive relationships between variables across different developmental stages.
Main Results:
- Fifth-grade binge eating predicted increases in middle school negative urgency, negative affect, and lack of planning.
- Middle school negative urgency predicted increases in high school externalizing and internalizing dysfunction.
- Middle school negative affect predicted increases in high school binge eating and depressive symptoms.
- Middle school lack of planning predicted increases in high school externalizing behaviors.
Conclusions:
- Early binge eating behaviors in youth can predict significant personality changes during middle school.
- These personality changes, in turn, increase the risk for a range of psychiatric comorbidities, including externalizing and internalizing dysfunctions, later in adolescence.
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