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Updated: Apr 11, 2026
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A Computer-Based Platform for Aiding Clinicians in Eating Disorder Analysis and Diagnosis
Published on: May 10, 2022
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Associations Between Baseline Severity and Treatment Effects in Digital Interventions for Eating Disorders: A
Claudia Liu1, Cleo Anderson1, Mariel Messer1
1School of Psychology, Deakin University, Geelong, Victoria, Australia.
Summary
Digital interventions for eating disorders may be more effective for individuals with higher baseline severity. Higher objective binge eating was linked to greater treatment effects and lower dropout rates in some analyses.
Area of Science:
- Psychiatry
- Digital Health
- Clinical Psychology
Background:
- Evidence on the suitability of digital interventions for eating disorders based on severity is unclear.
- This study investigates the relationship between baseline eating disorder severity and treatment outcomes in digital interventions.
Purpose of the Study:
- To determine if baseline severity influences treatment effects and dropout rates in digital interventions for eating disorders.
- To test the assumption that digital interventions are best suited for milder eating disorder presentations.
Main Methods:
- Conducted meta-regressions on data from 31 randomized controlled trials (RCTs) of digital interventions for eating disorders.
- Operationalized baseline severity using global eating disorder psychopathology and objective binge eating.
- Analyzed associations between baseline severity, treatment effect sizes, and dropout rates.
Main Results:
- Higher average objective binge eating was associated with greater treatment effects and lower dropout rates in bivariable analyses.
- Global eating disorder psychopathology was not associated with treatment effects in bivariable analyses.
- In multivariable models, higher global eating disorder psychopathology was significantly associated with greater treatment effects.
Conclusions:
- Higher baseline severity does not appear to limit the effectiveness or acceptability of digital interventions for eating disorders.
- In some cases, higher baseline severity may be associated with larger treatment effects from digital interventions.
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