Weight Bias Internalization Scale: Psychometric properties using alternative weight status classification approaches

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Morgan S Lee, Robert F Dedrick

Abstract

The Weight Bias Internalization Scale (WBIS) was developed to facilitate systematic investigation of internalized weight bias, but the English version has not undergone confirmatory factor analysis (CFA). Additionally, it is unclear whether the measure can be used when participants are grouped based on self-perceived versus body mass index (BMI)-based weight status. The present study evaluated the WBIS in a sample of 243 male and female undergraduate students who were overweight/obese as classified by self-perception or BMI. After exclusion of Item 1 due to poor item-to-total correlation, Cronbach's alphas were .92 and .94 for the perception-based and BMI-based groupings, respectively. CFAs using the reduced 10-item scale with addition of modifications for correlated errors resulted in acceptable model fit for the one-factor model in both groupings. Findings suggest psychometric properties of the modified WBIS are acceptable and are similar for overweight/obese participants grouped by either perceived weight status or BMI.

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Citations

Mar 2, 2016·Body Image·Rebecca L Pearl, Rebecca M Puhl
May 23, 2018·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·R L Pearl, R M Puhl
May 30, 2019·Pediatric Obesity·Ellen V PudneyRebecca M Puhl
Mar 18, 2020·Eating Disorders·Jessica L LawsonCarlos M Grilo
Apr 26, 2020·Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine·Rebecca L PearlGary D Foster
Mar 3, 2017·Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine·Rebecca M PuhlYoung J Suh
Oct 12, 2018·Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine·Rebecca L PearlJena Shaw Tronieri
Jun 10, 2021·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·Stephanie PapadopoulosLeah Brennan

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