Deriving an overall appearance domain score by applying bifactor IRT analysis to the BODY-Q appearance scales

Daan Geerards, Lisa van den Berg, Andrea L. Pusic, Maarten M. Hoogbergen, Anne F. Klassen, Rene R. W. J. van der Hulst, Chris J. Sidey-Gibbons*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Original languageEnglish
Pages (from-to)1065-1072
Number of pages8
JournalQuality of Life Research
Volume29
Issue number4
Early online date22 Nov 2019
DOIs
Publication statusPublished - Apr 2020

Keywords

  • Patient-reported outcome measures
  • Psychometrics
  • Bifactor
  • Item response theory
  • BODY-Q
  • Massive weight loss
  • Obesity
  • Body contouring
  • Appearance
  • FIT INDEXES
  • ITEM
  • MODEL
  • OUTCOMES
  • QUALITY

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