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Related Concept Videos

Binge Eating Disorders01:23

Binge Eating Disorders

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Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...
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Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
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Anorexia Nervosa01:28

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Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
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A Meta-Analysis and Systematic Review of Single-Session Interventions for Eating Disorders.

Sonakshi Negi1, Marianna L Thomeczek1, Jennifer E Wildes2

  • 1Department of Psychology, University of Kansas, Lawrence, Kansas, USA.

The International Journal of Eating Disorders
|February 15, 2026
PubMed
Summary

Single-Session Interventions (SSIs) effectively reduce eating disorder (ED) concerns, showing promise for improving treatment accessibility. These interventions are efficacious for symptom reduction and enhancing quality of life.

Keywords:
eating disordermeta‐analysispreventionsingle‐session interventiontreatment

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Public Health

Background:

  • A significant gap exists between the need for eating disorder (ED) treatment and available providers.
  • Single-Session Interventions (SSIs) offer a scalable solution by providing brief, evidence-based support.
  • Further research is needed to robustly examine the efficacy of SSIs for ED concerns.

Purpose of the Study:

  • To systematically review and meta-analyze the efficacy of SSIs for eating disorder concerns.
  • To investigate moderators of SSI efficacy, including intervention function, format, delivery method, and follow-up duration.

Main Methods:

  • Systematic review and meta-analysis following PRISMA guidelines.
  • Inclusion of 22 primary studies with 331 effect sizes.
  • Multi-level random effects meta-analysis and meta-regression to assess efficacy and moderators.

Main Results:

  • Overall, ED SSIs demonstrated a small but significant effect in reducing ED concerns (g = -0.23).
  • SSIs were efficacious in reducing ED-related symptoms, other mental health issues, and improving quality of life.
  • Efficacy was observed for self-guided and remotely delivered SSIs, with effects consistent at follow-up.

Conclusions:

  • SSIs are an effective approach for reducing eating disorder concerns.
  • The findings support the potential of SSIs to alleviate the public health burden of EDs through scalable prevention and treatment.
  • SSIs enhance the accessibility of evidence-based interventions for eating disorders.