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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611

Resumen

SARRIAS GOMEZ, Susana  y  BAILE, José I.. Psychometric properties of a spanish adaptation of the Weight Bias Internalization Scale (WBIS). Nutr. Hosp. [online]. 2015, vol.32, n.4, pp.1510-1515. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2015.32.4.9343.

Introduction: obesity is currently one of the most important international health problems, and the study of the various aspects related to it has become a priority. One such aspect is the analysis of the weight bias internalization, especially its evaluation, for which different instruments hare been designed, though they are not available for Spanish population. Objectives: the objective of this study is the translation and adaptation of the Weight Bias Internalization Scale (WBIS), analyzing its psychometric characteristics. Methodology: fifty-nine people were evaluated by a Spanish adaptation of WBIS, the Beck Depression Inventory (BDI) in short version, and the General Health Questionnaire Goldberg (GHQ-28). Internal consistency was explored, as well as concurrent and construct validity of the adapted instrument. Results: Cronbach's alpha coefficient was .89, while the concurrent validity showed statistically significant correlations with the total score of GHQ-28 (r = .39, p < .02) and the BDI (r = .42, p < .001). The final scale consists of 11 items, which are grouped into two main factors, and allow a significant explanation of 65.03% of the variance. Conclusions: the Spanish adaptation of the WBIS shows good psychometric values of reliability and validity, so it might be a good scale for the assessment of the weight bias internalization, which could be confirmed in larger studies.

Palabras clave : Overweight; Obesity; Prejudices.

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