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Nutrición Hospitalaria
versão On-line ISSN 1699-5198versão impressa ISSN 0212-1611
Resumo
TRUJILLO HERNANDEZ, Pedro E et al. Analysis of the psychometric properties of the Eating Behavior Self-efficacy Scale in Mexican adolescents. Nutr. Hosp. [online]. 2021, vol.38, n.4, pp.821-826. Epub 27-Set-2021. ISSN 1699-5198. https://dx.doi.org/10.20960/nh.03501.
Introduction:
self-efficacy plays an important role in eating behaviors; for example, excess weight is associated with low EC and poor nutrition. The Eating Behavior Self-Efficacy Scale (EACA) identifies the ability to control the intake of healthy, and of high-calorie foods.
Objective:
to evaluate the psychometric properties of EACA in adolescents residing in northeast Mexico, and to analyze the relationship of self-efficacy with sex, age, and nutritional status of participants.
Methods:
confirmatory factor analyses (CFA) were performed, and both reliability (internal consistency) and convergent validity of EACA were analyzed. A total of 467 adolescents who were studying the 7th to 9th grade of basic education, and who were residents in northeast Mexico were enrolled.
Results:
the goodness-of-fit indices of the proposed model were acceptable: CMIN/DF = 2.831; CFI = 0.952; GFI = 0.931; AGFI = 0.905; SRMS = 0.318, and RMSEA = 0.063), as was internal consistency (α = 0.90). Mean age was 13.54 years (SD = 0.93), and weight ranged from 30.9 to 130.4 kg (SD = 13.33).
Conclusions:
the CFA of the proposed model has a high internal consistency, and the four-factor structure has an adequate fit. It can be used to measure self-efficacy in relation to eating behavior in Mexican adolescents. It is recommended to test this model in similar populations.
Palavras-chave : Feeding behavior; Self-efficacy; Adolescence; Overweight; Obesity.