Confirmatory factor analysis for two questionnaires of caregiving in eating disorders

  • Hibbs R
  • Rhind C
  • Sallis H
  • et al.
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Abstract

Objective: Caring for someone diagnosed with an eating disorder (ED) is associated with a high level of burden and psychological distress which can inadvertently contribute to the maintenance of the illness. The Eating Disorders Symptom Impact Scale (EDSIS) and Accommodation and Enabling Scale for Eating Disorders (AESED) are self-report scales to assess elements of caregiving theorised to contribute to the maintenance of an ED. Further validation and confirmation of the factor structures for these scales are necessary for rigorous evaluation of complex interventions which target these modifiable elements of caregiving. Method: EDSIS and AESED data from 268 carers of people with anorexia nervosa (AN), recruited from consecutive admissions to 15 UK inpatient or day patient hospital units, were subjected to confirmatory factor analysis to test model fit by applying the existing factor structures: (a) four-factor structure for the EDSIS and (b) five-factor structure for the AESED. Results: Confirmatory factor analytic results support the existing four-factor and five-factor structures for the EDSIS and the AESED, respectively. Discussion: The present findings provide further validation of the EDSIS and the AESED as tools to assess modifiable elements of caregiving for someone with an ED.

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Hibbs, R., Rhind, C., Sallis, H., Goddard, E., Raenker, S., Ayton, A., … Treasure, J. (2014). Confirmatory factor analysis for two questionnaires of caregiving in eating disorders. Health Psychology and Behavioral Medicine, 2(1), 322–334. https://doi.org/10.1080/21642850.2014.894889

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