2016 Merle Lewer - Body image disturbance in binge eating disorder a [retrieved_2025-01-30]

Body Image Disturbance in Binge Eating Disorder (BED)

  • Study Objective: Examine body image disturbance components in obese females with BED compared to those without eating disorders.

    • Focus on cognitive–affective, behavioral, and perceptual components.

Background

  • Binge Eating Disorder (BED): Defined by episodes of binge eating without regular compensatory behaviors (e.g., vomiting).

    • Body Image Disturbance: Well-studied in Anorexia Nervosa (AN) and Bulimia Nervosa (BN), but research in BED is minimal.

  • Comorbidity with Obesity: 40-70% of individuals with BED are obese.

Key Components of Body Image

  1. Cognitive–Affective Component:

    • Involves overvaluation of weight and shape, body dissatisfaction.

    • Patients with BED show higher concerns than controls.

  2. Behavioral Component:

    • Includes body-related checking (e.g., pinching body parts) and avoidance behavior (e.g., avoiding swimming).

    • Limited studies suggest slightly higher checking and avoidance among BED patients, but findings are inconsistent.

  3. Perceptual Component:

    • Focuses on the distorted mental image of one’s body.

    • Individuals with AN/BED generally overestimate their body size.

Methodology

  • Participants: 59 obese females (31 with BED, 28 without).

  • Diagnosis Assessment: Based on DSM-IV criteria using structured clinical interviews.

  • Evaluation Tools used include:

    • Eating Disorder Inventory-2 (EDI-2)

    • Eating Disorder Examination Questionnaire (EDE-Q)

    • Body Image Avoidance Questionnaire (BIAQ)

    • Body Checking Questionnaire (BCQ)

    • Digital Photo Distortion Technique (to assess perceptual component).

Findings

  • Cognitive–Affective Findings:

    • BED group had significantly higher scores for Drive for Thinness and Weight Concern.

    • Body Dissatisfaction did not differ significantly after corrections.

  • Behavioral Findings:

    • No significant differences in BIAQ and BCQ scores after Bonferroni corrections, suggesting similar avoidance and checking behaviors in both groups.

  • Perceptual Findings:

    • Significant desire for a slimmer ideal figure among BED patients.

    • Higher discrepancy scores observed for effective measurement of body image distress.

Correlations

  • Significant correlations found between the cognitive–affective and behavioral components of body image disturbance.

  • No significant correlation between body image disturbance measures and depression/self-esteem in the BED group, indicating other factors may drive body image concerns.

Discussion

  • BED patients exhibit relevant body image disturbance despite it not being a formal diagnostic criterion.

  • Need for future research focusing on treatment strategies emphasizing the cognitive–affective component of body image disturbance.

  • Implications for Treatment: Future interventions may benefit from addressing body image perceptions and attitudes towards weight.