Development and validation of a specific self-efficacy scale in adherence to a gluten-free diet

Fueyo-Díaz, R. (Universidad de Zaragoza) ; Magallón-Botaya, R. (Universidad de Zaragoza) ; Gascón-Santos, S. (Universidad de Zaragoza) ; Asensio-Martínez, A. (Universidad de Zaragoza) ; Palacios-Navarro, G. (Universidad de Zaragoza) ; Sebastián-Domingo, J.J. (Universidad de Zaragoza)
Development and validation of a specific self-efficacy scale in adherence to a gluten-free diet
Resumen: The aim of this study was to develop a scale to assess the levels of specific self-efficacy in order to enhance adherence to a gluten-free diet and the life quality of celiac patients. Celiac disease is a chronic small intestinal immune-mediated enteropathy precipitated by exposure to dietary gluten in genetically predisposed people. The only treatment is a strict lifelong gluten-free diet. Within the framework of Social Cognitive Theory, expectation of self-efficacy is understood as the degree in which a person believes himself to be capable of performing a certain task (e.g., adhering to a gluten-free diet), a construct which has been widely studied in its relation with adopting healthy behaviors, but scarcely in relation to celiac disease. A validation study was carried out in various stages: preparation of the protocol; construction of the questionnaire and a pilot run with 20 patients; validation of the scale with 563 patients and statistical analysis. A 25-item scale was developed. Feasibility was excellent (99.82% of participants completed all the questions). Factorial analysis pointed to the existence of five factors that explained 70.98% of the variance with a Cronbach alpha of 0.81 for the scale overall and between 0.64 and 0.90 for each factor. The scale showed a Spearman''s Rho coefficient of 0.279 with the General self-efficacy Scale. This easily administered scale provides good psychometric properties for evaluating specific self-efficacy of celiac patients in adhering to treatment. It seeks to be the first scale that provides not only a measurement of specific self-efficacy in celiac disease, but also to determine its levels for each of the areas as a first step toward designing interventions of self-management and empowerment programs to cope with the disease.
Idioma: Inglés
DOI: 10.3389/fpsyg.2018.00342
Año: 2018
Publicado en: Frontiers in Psychology 9, MAR (2018), 342 [7 pp]
ISSN: 1664-1078

Factor impacto JCR: 2.129 (2018)
Categ. JCR: PSYCHOLOGY, MULTIDISCIPLINARY rank: 40 / 137 = 0.292 (2018) - Q2 - T1
Factor impacto SCIMAGO: 0.997 - Psychology (miscellaneous) (Q1)

Financiación: info:eu-repo/grantAgreement/ES/FEDER/Una manera de hacer Europa
Financiación: info:eu-repo/grantAgreement/ES/ISCIII/PI16-00570
Tipo y forma: Artículo (Versión definitiva)
Área (Departamento): Área Psicología Básica (Dpto. Psicología y Sociología)
Área (Departamento): Área Tecnología Electrónica (Dpto. Ingeniería Electrón.Com.)
Área (Departamento): Area Medicina (Dpto. Medicina, Psiqu. y Derm.)
Área (Departamento): Área Psicolog.Evolut.Educac (Dpto. Psicología y Sociología)
Área (Departamento): Área Person.Eval.Trat.Psicoló. (Dpto. Psicología y Sociología)


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