Reliability and validity of the abbreviated version of the Mindful Eating Questionnaire in Turkish adults

Abstract

Objective To adapt the abbreviated version of the Mindful Eating Questionnaire to Turkish for the Turkish adult population. Methods This cross-sectional study includes 709 participants aged between 18-65 years living in the province of Elazig. The data was collected through a voluntary face-to-face survey. The questionnaire was included their general characteristics and the Mindful Eating Questionnaire -18 and Eating Attitude Test-26. Confirmatory factor analysis was used to test the validity of the Mindful Eating Questionnaire -18. Statistical analyzes were conducted using the R-Project program and IBM (R) SPSS (R) version 26.0. Results The overall content validity index was 0.93. A confirmatory factor analysis was conducted for the two sub-scales and reduced the abbreviated of Mindful Eating Questionnaire to 18 items. The Cronbach's alpha coefficient was 0.718 for the Mindful Eating Questionnaire-18 total factor scores and Cronbach alpha values for awareness, and disinhibition were found to be 0,843 and 0,789, respectively. The minimum discrepancy per degree of freedom=4.914 and the fit indices were at an acceptable level (RMSEA=0.074, CFI=0.934, SRMR=0.079, TLI=0.925, GFI=0.968, AGFI=0.959). Conclusion The findings of study showed that the psychometric properties of the abbreviated Mindful Eating Questionnaire adapted into Turkish were acceptable through construct and internal consistency reliability for adults.