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Investigación y Educación en Enfermería
versão impressa ISSN 0120-5307versão On-line ISSN 2216-0280
Resumo
HERRERA GUERRA, Eugenia del Pilar e BAUTISTA ARELLANOS, Lili Rosa. Design and Validation of a Self-care Evaluation Instrument to Prevent Diabetic Foot. Invest. educ. enferm [online]. 2022, vol.40, n.2, e06. Epub 16-Set-2022. ISSN 0120-5307. https://doi.org/10.17533/udea.iee.v40n1e06.
Objective.
This work sought to design and validate a self-care instrument to prevent diabetic foot in Colombian adults with diabetes.
Methods.
Psychometric study in which an instrument was designed to measure self-care to prevent diabetic foot according to the Medium Range Theory of Self-care in chronic diseases. With a sample of 230 people with type-2 diabetes, construct validity was determined through exploratory and confirmatory factor analysis. Internal consistency was calculated with Cronbach's alpha coefficient.
Results.
Favorable evidence of construct validity was obtained with a model consisting of three scales: self-care maintenance with a three-factor structure (accumulated variance 43%), α = 0.7, with good fit (𝜒2= 64.698, p = 0.001; RMSEA = 0.066; RMSSR = 0.071; CFI = 0.936, NNFI = 0.910). Monitoring of self-care with presence of symptoms a two-factor structure was found, α = 0.950, with good fit (𝜒2 = 266.837, p = 0.000; RMSEA = 0.321; RMSSR = 0.057; CFI = 0.848; NNFI = 0.789); and without symptoms, a single-factor structure (cumulative variance 84%), α = 0.9, acceptable fit (𝜒2= 377.327, p < 0.001; RMSEA = 0.355; RMSSR = 0.073; CFI = 0.832; NNFI = 0.764). And self-care management with two-factor structure (cumulative variance 53.7%) α = 0.7, with good fit (𝜒2 = 14.317, p = 0.014; RMSEA = 0.144; RMSSR = 0.063; CFI = 0.905; NNFI = 0.809).
Conclusions.
The resulting instrument has adequate psychometric properties, consistent with the theoretical model of self-care in chronic diseases. Its use is recommended to evaluate self-care to prevent diabetic foot in populations similar to the study population.
Palavras-chave : diabetic foot; primary prevention; self-care; nursing theory; psychometry..