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Mapping features of pathological exercise using hierarchical-dimensional modeling.

Melissa J Dreier1, Kathryn Coniglio2, Edward A Selby2

  • 1Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, Massachusetts, USA.

The International Journal of Eating Disorders
|November 13, 2020
PubMed
Summary
This summary is machine-generated.

Pathological exercise in eating disorders varies by gender and is linked to distinct psychological traits like poor emotion regulation. These differences suggest tailored treatment approaches are needed for effective intervention in pathological exercise behaviors.

Keywords:
HiTOPbass-ackwardseating disordersexcessive exerciseexercise pathologyhierarchical modelinghierarchical taxonomy of psychopathology

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Area of Science:

  • Psychology
  • Psychiatry
  • Eating Disorder Research

Background:

  • Pathological exercise is prevalent in eating disorders, often described as excessive, compulsive, or compensatory.
  • Limited understanding exists regarding its association with other eating disorder behaviors and personality traits, especially concerning gender differences.

Purpose of the Study:

  • To investigate the latent associations between pathological exercise and eating disorder psychopathology.
  • To examine how these associations differ between men and women, focusing on compulsivity, emotion regulation, and body dissatisfaction.

Main Methods:

  • Utilized hierarchical dimensional modeling across three distinct samples: college women (N=205), women with eating psychopathology (N=268), and college men (N=235).
  • Employed Goldberg's (2006) "bass-ackwards" method to identify factor solutions for pathological exercise.

Main Results:

  • A distinct muscle-building factor emerged in men and was also noted in women, indicating an understudied motivation in exercise.
  • Pathological exercise accounted for significant variance: 64.8% in college women, 51.9% in women with eating psychopathology, and 43.9% in college men.
  • Identified gender-specific associations between pathological exercise and psychological traits such as emotion regulation and compulsivity.

Conclusions:

  • Pathological exercise is linked to varied psychological traits across different populations.
  • These population-specific differences underscore the need for individualized treatment strategies for pathological exercise in eating disorders.