Assessing the impact of body image concerns on functioning across life domains: Development and validation of the Body Image Life Disengagement Questionnaire (BILD-Q) among British adolescents.

Melissa Atkinson, Phillippa C. Diedrichs

Research output: Contribution to journalArticle

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Abstract

Assessing the impact of body image on engagement in a range of life domains is important; however, there is a lack of validated measures for adolescents. The current research developed the Body Image Life Disengagement Questionnaire (BILD-Q) and validated it among four samples of British adolescents. Study 1 (N = 1707; 11-13 years) indicated a 9-item unidimensional scale based on Exploratory Factory Analysis. In Study 2 (N = 1403; 11-13 years), Confirmatory Factor Analysis (CFA) showed an acceptable fit overall, but better among girls than boys. Further exploration with CFA in Study 3 (N = 2034; 13-14 years) showed a good to excellent fit overall, and acceptable among both boys and girls. The scale showed good internal consistency and test-retest reliability, and gender invariance indicated the scale can be used comparatively. In Study 4 (N = 288; 13-14 years), convergent validity was supported via expected relationships with body image and related constructs. Concurrent and predictive incremental validity were also evidenced via explaining significant unique variance in well-being. These studies provide support for the BILD-Q as a reliable and valid measure of broader impacts of body image among adolescents, which may benefit intervention evaluation and policy change efforts.
Original languageEnglish
Pages (from-to)63-73
Number of pages11
JournalBody Image
Volume37
Early online date10 Feb 2021
DOIs
Publication statusPublished - 30 Jun 2021

Bibliographical note

Publisher Copyright:
© 2021 Elsevier Ltd

Keywords

  • Adolescents
  • Body image
  • Functioning
  • Psychometrics
  • Quality of life
  • Validation

ASJC Scopus subject areas

  • Social Psychology
  • Applied Psychology
  • Psychology(all)

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