Cited by 146Eating Disorders and BehaviorsNutrition, Health and Food BehaviorAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Dropout from cognitive-behavioral therapy for eating disorders: a meta-analysis of randomized, controlled trials

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Linardon, Jake, Hindle, Annemarie, Brennan, Leah·2018·International Journal of Eating Disorders

Abstract

OBJECTIVE: Cognitive-behavioral therapy (CBT) is efficacious for a range of eating disorder presentations, yet premature dropout is one factor that might limit CBTs effectiveness. Improved understanding of dropout from CBT for eating disorders is important. This meta-analysis aimed to study dropout from CBT for eating disorders in randomized controlled trials (RCTs), by (a) identifying the types of dropout definitions applied, (b) providing estimates of dropout, (c) comparing dropout rates from CBT to non-CBT interventions for eating disorders, and (d) testing moderators of dropout. METHOD: RCTs of CBT for eating disorders that reported rates of dropout were searched. Ninety-nine RCTs (131 CBT conditions) were included. RESULTS: Dropout definitions varied widely across studies. The overall dropout estimate was 24% (95% CI = 22-27%). Diagnostic type, type of dropout definition, baseline symptom severity, study quality, and sample age did not moderate this estimate. Dropout was highest among studies that delivered internet-based CBT and was lowest in studies that delivered transdiagnostic enhanced CBT. There was some evidence that longer treatment protocols were associated with lower dropout. No significant differences in dropout rates were observed between CBT and non-CBT interventions for all eating disorder subtypes. CONCLUSION: Present study dropout estimates are hampered by the use of disparate dropout definitions applied. This meta-analysis highlights the urgency for RCTs to utilize a standardized dropout definition and to report as much information on patient dropout as possible, so that strategies designed to minimize dropout can be developed, and factors predictive of CBT dropout can be more easily identified.

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Crossref · 10.1002/eat.22850

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  • The dropout rate (26%) was lower than the average rate of 32% estimated in a meta-analysis of BED eTherapies and comparable to the rates of 21 and 16% found in the pilots of the briefer, four-session version of this eTherapy in individuals with BED and BN.

    “The dropout rate (26%) was lower than the average rate of 32% estimated in a meta-analysis of BED eTherapies (57) and comparable to the rates of 21 and 16% found in the pilots of the briefer, four-session version of this eTherapy in individuals with BED and BN (32, 54).”

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Authors
Linardon, J., Hindle, A., & Brennan, L.
Affiliations
  • Deakin University (AU)
  • Australian Catholic University (AU)
Corresponding author
Linardon, Jake
Venue
International Journal of Eating Disorders
Publisher
Wiley
Published
2018-03
Volume
51
Issue
5
Pages
381-391
ISSN
  • 0276-3478 (ISSN-L)
  • 1098-108X
OpenAlex
W2793436579
Cited by
146
References
53
Citations by year
2026: 11 · 2025: 27 · 2024: 22 · 2023: 14 · 2022: 29 · 2021: 13 · 2020: 19 · 2019: 7 · 2018: 2
FWCI
1.73
Type
journal article
Language
en
Open access
Locations
  • International Journal of Eating Disorders (publishedVersion)
  • PubMed (publishedVersion)
  • Figshare (submittedVersion, cc-by)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Keywords
cognitive behavioral therapy, eating disorders, treatment discontinuation, internet-based CBT, medication adherence, predictors of dropout
MeSH terms
Adolescent, Adult, Feeding and Eating Disorders, Female, Humans, Male, Patient Dropouts, Psychotherapy, Cognitive Behavioral Therapy, Randomized Controlled Trials as Topic, Treatment Outcome, Qualitative Research, Young Adult

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