ArticleFrontiers in nutrition2026
Psychometric validation of the Romanian Scenario-Based Dieting Self-Efficacy Scale in adults with overweight and obesity.
Article in Frontiers in nutrition, 2026. 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
Introduction: Overweight and obesity require sustained changes in eating behaviour, yet long-term adherence to dietary recommendations remains difficult. Dieting self-efficacy, defined as confidence in managing eating-related challenges, is an important self-regulatory construct in weight management. This study aimed to translate and evaluate the psychometric properties of the Romanian version of the Scenario-Based Dieting Self-Efficacy Scale (DIET-SE) in adults with overweight and obesity. Methods: A total of 509 adults from the general Romanian population completed an online survey between February and April 2026. For the validation analyses, 243 participants with BMI ≥ 25 kg/m Results: EFA supported a three-factor structure consistent with the original instrument, comprising Social and Internal Factors, Negative Emotional Events, and High-Caloric Food, which explained 52.9% of the total variance. CFA provided acceptable support for this structure, with CFI = 0.935, TLI = 0.908, SRMR = 0.058, and RMSEA = 0.090. Internal consistency was good for the total scale (Cronbach's alpha = 0.872) and acceptable to good for the subscales. Test-retest reliability was excellent (ICC = 0.942). The DIET-SE total score showed positive correlations with the Intuitive Eating Scale-2 total score and with the Reliance on Hunger and Satiety Cues and Body-Food Choice Congruence subscales. Lower dieting self-efficacy was associated with higher BMI, greater perceived stress, larger perceived body shape, and greater discrepancy between perceived and desired body shape, while higher scores were associated with better self-rated health and higher fruit and vegetable intake. Conclusion: The Romanian version of the DIET-SE demonstrated satisfactory validity and reliability in adults with overweight and obesity and may be useful for assessing eating-related self-efficacy in research and clinical contexts.
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