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Screening for eating disorders and high-risk behavior: caution.

Corinna Jacobi1, Liana Abascal, C Barr Taylor

  • 1Department of Psychology, University of Trier, Trier, Germany.

The International Journal of Eating Disorders
|October 13, 2004
PubMed
Summary

Eating disorder screening tools vary significantly in their effectiveness and validation. Caution is advised when using these screens, especially for identifying at-risk individuals, due to limited external validity data.

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Area of Science:

  • Psychiatry
  • Psychology
  • Public Health

Background:

  • Eating disorders are serious mental health conditions requiring accurate identification.
  • Screening tools are widely used to identify individuals with or at risk of eating disorders.

Purpose of the Study:

  • To review the current landscape of eating disorder screening tools.
  • To evaluate their development, psychometric properties, and external validation.

Main Methods:

  • Screens were categorized by their specific screening function (e.g., anorexia nervosa, bulimia nervosa, general eating disorders, subclinical cases, at-risk individuals).
  • Information on screen development, psychometric properties, and external validation metrics (sensitivity, specificity, PPV, NPV) was compiled.

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Main Results:

  • Significant heterogeneity exists among eating disorder screens regarding objectives, psychometric properties, and validation methods.
  • Most screens designed to identify existing cases are not suitable for detecting at-risk behaviors.
  • Limited data are available on the external validity of many screening tools.

Conclusions:

  • Eating disorder screening tools should be utilized with caution due to variability and limitations.
  • A sequential approach, involving initial broad screening followed by specific diagnostic tests, may mitigate current limitations.