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Cited by 25Eating Disorders and BehaviorsHealth Systems, Economic Evaluations, Quality of LifeNutrition, Health and Food Behavior

The modelled cost-effectiveness of cognitive dissonance for the prevention of anorexia nervosa and bulimia nervosa in adolescent girls in Australia

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Le, Long Khanh‐Dao, Barendregt, Jan J., Hay, Phillipa, Sawyer, Susan M., Paxton, Susan J., Mihalopoulos, Cathrine·2017·International Journal of Eating Disorders
DOI 10.1002/eat.22703
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Abstract

Background Eating disorders (EDs), including anorexia nervosa (AN) and bulimia nervosa (BN), are prevalent disorders that carry substantial economic and social burden. The aim of the current study was to evaluate the modelled population cost-effectiveness of cognitive dissonance (CD), a school-based preventive intervention for EDs, in the Australian health care context. Method A population-based Markov model was developed to estimate the cost per disability adjusted life-year (DALY) averted by CD relative to no intervention. We modelled the cases of AN and BN that could be prevented over a 10-year time horizon in each study arm and the subsequent reduction in DALYs associated with this. The target population was 15-18 year old secondary school girls with high body-image concerns. This study only considered costs of the health sector providing services and not costs to individuals. Multivariate probabilistic and one-way sensitivity analyses were conducted to test model assumptions. Results Findings showed that the mean incremental cost-effectiveness ratio at base-case for the intervention was $103,980 per DALY averted with none of the uncertainty iterations falling below the threshold of AUD$50,000 per DALY averted. The evaluation was most sensitive to estimates of participant rates with higher rates associated with more favourable results. The intervention would become cost-effective (84% chance) if the effect of the intervention lasted up to 5 years. Conclusion As modelled,…

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  • In 2017 Le and colleagues found that a cognitive dissonance intervention for the prevention of anorexia nervosa and bulimia nervosa would become cost-effective if more young people (aged 15-18 years) agreed to participate.

    “For example, in 2017 Le and colleagues found that a cognitive dissonance intervention for the prevention of anorexia nervosa and bulimia nervosa would become cost-effective if more young people (aged 15-18 years) agreed to participate.”

    From The Lancet Psychiatry Commission on youth mental health (2024) · cites this paper as [412]

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Authors
Le, L. K., Barendregt, J. J., Hay, P., Sawyer, S. M., Paxton, S. J., & Mihalopoulos, C.
Affiliations
  • Deakin University (AU)
  • The University of Queensland (AU)
  • Western Sydney University (AU)
  • Royal Children's Hospital (AU)
  • La Trobe University (AU)
Corresponding author
Le, Long Khanh‐Dao
ORCID
Venue
International Journal of Eating Disorders
Publisher
Wiley
Published
2017-03-21
Volume
50
Issue
7
Pages
834-841
ISSN
  • 0276-3478 (ISSN-L)
  • 1098-108X
DOI
10.1002/eat.22703
OpenAlex
W2599877930
Cited by
25
References
3
Citations by year
2026: 2 · 2024: 2 · 2023: 5 · 2022: 5 · 2021: 5 · 2020: 1 · 2019: 1 · 2017: 4
FWCI
2.03
Type
journal article
Language
en
Open access
Licence
Locations
  • International Journal of Eating Disorders (publishedVersion)
  • PubMed (publishedVersion)
  • Deakin Research Online (Deakin University) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • Minerva Access (University of Melbourne) (submittedVersion)
Funders
National Health and Medical Research Council (APP1041131, APP1035887)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
  • Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Health Systems, Economic Evaluations, Quality of Life
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
Keywords
cognitive dissonance, anorexia nervosa, bulimia nervosa, eating disorders, school-based prevention, adolescent girls, cost-effectiveness, disability-adjusted life years, body image concern, Markov model
MeSH terms
Adolescent, Anorexia Nervosa, Australia, Cognitive Dissonance, Cost-Benefit Analysis, Female, Humans, Bulimia Nervosa

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