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J Eat Disord. 2019 Jan 17;7:2. doi: 10.1186/s40337-018-0232-0. eCollection 2019.

Psychometric properties and factor structure of the diabetes eating problem survey - revised (DEPS-R) among adult males and females with type 1 diabetes.

Author information

1
1Regional Department for Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, P.O. Box 4956 Nydalen, N-0424 Oslo, Norway.
2
Oslo Diabetes Research Centre, P.O. Box 4956 Nydalen, N-0424 Oslo, Norway.
3
3Department of Psychology, George Mason University, Fairfax, VA 22030 USA.
4
4Department of Paediatric and Adolescent Medicine, Oslo University Hospital, P.O. Box 4956 Nydalen, N-0424 Oslo, Norway.
5
5Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Problemveien 7, N-0315 Oslo, Norway.
6
The Norwegian Diabetic Centre, Sponhoggveien 19, N-0284 Oslo, Norway.
7
7Institute of Clinical Medicine, Mental Health and Addiction, University of Oslo, Problemveien 7, N-0315 Oslo, Norway.

Abstract

Background:

Although an increasing amount of research has now established good psychometric properties and a three-component factor structure of the Diabetes Eating Problem Survey - Revised (DEPS-R) in pediatric samples with type 1 diabetes (T1D), research using adult samples has been limited and divergent. This study therefore aimed to investigate psychometric properties and test a three-factor model of the DEPS-R among adults with T1D.

Methods:

A total of 282 adults with T1D aged 18-79 years participated in the study. Measures included the DEPS-R, the Eating Disorder Examination Questionnaire (EDE-Q), and clinical data from the Norwegian Quality Improvement of Laboratory Examinations (NOKLUS) system.

Results:

The DEPS-R total mean score (SD) for the total sample, males, and females were 13.8 (9.2), 11.2 (7.8), and 15.6 (9.6) respectively. Good fit indices for the confirmatory factor analysis were found. The Cronbach's alpha of the DEPS-R was .84, suggesting good internal consistency. The DEPS-R correlated significantly with the EDE-Q among both males (.52, p < .01) and females (.68, p < .001). Also, the DEPS-R correlated significantly with BMI in both genders (.33, p < .001 in females and .35, p < .001 in males). HbA1c correlated significantly with the DEPS-R in females (.27, p < .01), but not in males.

Conclusions:

Good fit for a three-factor structure of the DEPS-R was confirmed. Further, the DEPS-R demonstrated good psychometric properties among adults with T1D, and can be recommended for clinical use for this patient group.

KEYWORDS:

Assessment; DEPS-R; Eating disorders; Type 1 diabetes

Conflict of interest statement

The Regional Committees for Medical and Health Research Ethics approved the study, and written consent was obtained from all participants.Not applicable.The authors declare that they have no competing interests.Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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