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General and program-specific moderators of two eating disorder prevention programs.

Eric Stice1, Nathan Marti, Heather Shaw

  • 1Department of Psychology, University of Texas at Austin, Austin, Texas, USA. estice@ori.org

The International Journal of Eating Disorders
|June 6, 2008
PubMed
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Eating disorder prevention programs showed amplified effects for high-risk adolescents. Specific factors influenced program effectiveness, indicating tailored interventions may be beneficial for preventing eating disorders.

Area of Science:

  • Psychology
  • Public Health
  • Adolescent Health

Background:

  • Eating disorders pose significant risks to adolescent well-being.
  • Prevention programs aim to mitigate these risks through various interventions.
  • Identifying factors that enhance program effectiveness is crucial for optimizing public health strategies.

Purpose of the Study:

  • To examine how general and program-specific factors moderate the impact of two distinct eating disorder prevention programs.
  • To understand which participants benefit most from each intervention.

Main Methods:

  • Randomized controlled trial involving 481 high-risk adolescent girls (average age 17).
  • Interventions included a dissonance-based program, a healthy weight management program, and two control conditions.

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  • Data collected via diagnostic interviews and surveys at baseline, post-intervention, and 6- and 12-month follow-ups.

    • Main Results:

    • The dissonance program showed stronger effects on bulimic symptoms for participants with higher initial body image distress, bulimic symptoms, and thin-ideal internalization.
    • The healthy weight program's effectiveness on bulimic symptoms was enhanced in adolescents with greater initial body image distress, bulimic symptoms, readiness to change, body mass, and emotional eating.
    • Intervention effects were generally stronger for high-risk compared to low-risk adolescents.

    Conclusions:

    • Intervention effects for eating disorder prevention are often amplified in high-risk adolescent populations.
    • Moderator effects can be specific to the type of prevention program, suggesting a need for tailored approaches.
    • Further research can refine personalized prevention strategies based on individual risk factors.