Alasty H, Hasani J, Akbari M, Mohammadkhani S. Psychometric Properties of the Eating Beliefs Questionnaire (EBQ-18) in A Nonclinical Iranian Sample: A Transdiagnostic Measure. PCP 2021; 9 (3) :247-257
URL:
http://jpcp.uswr.ac.ir/article-1-759-en.html
1- Department of Clinical Psychology, Kharazmi University, Tehran, Iran.
2- Department of Clinical Psychology, Kharazmi University, Tehran, Iran. , hasanimehr57@yahoo.com
Abstract: (3514 Views)
Objective: Binge eating is a transdiagnostic construct and one of the main components of eating and emotional disorders. Meta-cognitive beliefs about eating play an important role in the maintenance of binge eating. The Eating Beliefs Questionnaire (EBQ-18) is a self-report questionnaire, which measures negative, positive, and permissive beliefs about binge eating. This cross-sectional study aims to assess the psychometric properties of the EBQ-18 in a community sample.
Methods: A total of 501 participants (413=females, 88=males) were selected through multi-stage cluster sampling and were administered the EBQ-18, the Binge Eating Scale (BES), the Dutch Eating Behavior Questionnaire (DEBQ), the Body Image Concern Inventory (BICI), the Acceptance and Action Questionnaire (AAQ-II), and the Intolerance of Uncertainty Scale (UIS). Construct validity, internal consistency, convergent and divergent validity of the EBQ-18 were determined using Exploratory Factor Analysis, Confirmatory Factor Analysis.
Results: The EBQ-18 possesses a three-factor structure and a high internal consistency (α=.91). The EBQ-18 showed convergent validity with the BES and the DEBQ, divergent validity with the BICI, AAQ-II, and The UIS.
Conclusion: The goodness-of-fit indices were acceptable and the data showed adequate fit to the three-factor model. In conclusion, findings provide initial support for the validity and reliability of the EBQ-18.
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● EBQ-18-Persian version has good internal consistency in terms of Cronbach’s Alpha;
● Persian version of the EBQ-18 indicated the convergent validity;
● Confirmatory Factor Analysis yielded to the three-factor model;
● Persian version of the EBQ-18 revealed a good fit to the empirical data.
Plain Language Summary
Considering that binge eating is a transdiagnostic structure and includes cognitive, emotional and behavioral dimensions of the individual and the resulting physical and psychological problems lead to increase economic, clinical and social costs. creating a transdiagnostic model is necessary in order to reduce the symptoms of binge eating, so in this study, the psychometric properties (validity and reliability) of the Persian version of the short form of the Eating Beliefs Questionnaire (18-item version) were investigated in a non-clinical population. In conclusion, results of the present study demonstrate that the EBQ-18 possesses proper psychometric properties in a non-clinical Iranian sample. Moreover, since this instrument measures one of the transdiagnostic constructs in the realm of eating and emotional disorders, it can be used as a sensitive index for the assessment of the effectiveness of transdiagnostic approaches in clinical trial studies. It is also very useful for preventing other mental disorders and reducing economic and social cost.
Type of Study:
Research |
Subject:
Psychometric Received: 2021/04/23 | Accepted: 2021/07/24 | Published: 2021/07/19