ArticleEuropean journal of pediatrics2025
Intuitive Eating Scale-2 for adolescents: Validity and reliability study in Turkish adolescents.
Article in European journal of pediatrics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The Intuitive Eating Scale-2 (IES-2) is currently used for this concept and consists of four sub-dimensions. This cross-sectional study aimed to determine the validity and reliability of the culturally and linguistically adapted IES-2, which examines multiple aspects of eating behavior in adults, in the Turkish adolescent population for the first time. The factor structure of the IES-2 was evaluated in study 1 (n = 300, 57.7% girl) using exploratory factor analysis (EFA), and in study 2 (n = 470, 60.9%) with confirmatory factor analysis (CFA). The Figure Rating Scale (FRS), the Emotional Eating Scale Adapted for Use in Children and Adolescents Scale (EES-C), the Children's Eating Attitudes Test (ChEAT), and BMI-Z score were used to assess convergent validity, and their relationship with IES-2 was examined. Cronbach-α, McDonald's omega, Spearman-Brown, and Guttman split-half coefficients were used for reliability analysis. The four-factor structure of the IES-2 was obtained through EFA, and items with low factor loadings were removed. The 15-item version of the scale was created and verified by CFA. The new scale adapted for adolescents is the IES-2-Turkish adolescents (IES-2-TA). Good fit index values were achieved because of CFA. The Cronbach-α coefficients for the sub-dimensions (unconditional permission to eat-UPE: 0.649, eating for physical reasons-EPR: 0.683, relying on hunger and satiety cues-RHSC: 0.871, body-food choice congruence-BFCC: 0.751) and total scale (0.789) were found to be at good values. A negative correlation was found between IES-2-TA and ChEAT, as well as EES-C, for convergent validity.
conclusionThe analysis of data revealed that the new version of the IES-2-TA is a reliable and valid instrument to assess intuitive eating in Turkish adolescents. WHAT IS KNOWN: • Intuitive eating is an eating behavior that emphasizes internal bodily cues to guide food decisions. • There is no scale to measure intuitive eating in children and adolescents in Turkey. WHAT IS NEW: • This scale (IES-2-TA), adapted from the adult IES-2, is valid and reliable for assessing intuitive eating in Turkish adolescents.
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