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Assessing Weight Stigma Interventions: A Systematic Review of Randomized Controlled Trials

Christy Wang1, William D Murley1, Sameeksha Panda1

  • 1Department of Psychology, University of California, Los Angeles, CA, 90095, USA.

Current Obesity Reports
|April 14, 2025
PubMed
Abstract

Insights

This systematic review evaluated interventions for weight stigma and bias. Novel strategies like cognitive dissonance and connection building show promise, but more research is needed across diverse populations.

Area of Science:

  • Public Health
  • Psychology
  • Social Sciences

Background:

  • Weight stigma and bias are significant public health concerns.
  • Previous reviews identified key intervention strategies.
  • An updated review is necessary to incorporate recent findings.

Purpose of the Study:

  • Critically evaluate randomized controlled trials on weight stigma/bias interventions.
  • Identify effective and novel intervention strategies.
  • Suggest future research directions.

Main Methods:

  • Systematic review following PRISMA guidelines.
  • Searched PubMed/Medline, PubMed, PsycINFO, and Google Scholar.
  • Included 56 articles up to October 2024.

Main Results:

  • Confirmed established strategies: shifting attributions, empathy, weight-inclusive approaches, education.
  • Identified novel strategies: cognitive dissonance, connection building.
  • Interventions effectively shift attitudes, but long-term and diverse population data are limited.

Conclusions:

  • Weight stigma interventions can modify attitudes.
  • Future research should assess long-term effects and diverse populations.
  • Extend outcome measures beyond attitudes to behavioral and societal impacts.
Keywords:
InterventionPreventionSystematic ReviewWeight BiasWeight DiscriminationWeight Stigma

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