Predictor scale for adherence to diet therapy in chronic non-communicable diseases (PSADT-CNCD): development and validation
DOI:
https://doi.org/10.12957/demetra.2024.77993Abstract
Introduction: Chronic non-communicable diseases are highly prevalent and relevant in Public Health. Diet therapy is essential to the overall therapeutic approach to these diseases. However, there is low adherence in the medium and long term, and it is necessary to develop and validate instruments to verify adherence to diet therapy guidelines. Objective: To develop and validate a scale for early verification of the behavior of people with chronic non-communicable diseases regarding adherence to the recommended diet therapy, the Predictor Scale of Adherence to Diet Therapy in Chronic Non-Communicable Diseases (PSADT-CNCD). Methods: This is an original article on the development and validation of ascale consisting of eight questions, each
with five possible answers, based on a Likert-type scale, and the extreme values represent the best and worst adherence. The validation of the theoretical stage comprised content analysis by eight judges specialized in the construct field and a pilot application on subjects from the target population for semantic analysis. Results: The scale showed high reliability and validity (Cronbach’s α= 0.731; McDonald’s omega = 0.73; correlation matrix determinant of 0.235, KMO of 0.744, and significant Bartlett’s sphericity test, with p<0.001) for predicting low adherence behaviors. Conclusions: The scale wasviable for use as a quick and simplified screening tool to identify behaviors that tend towards low adherence to the diet therapy recommended for patients with NCDs, particularly SAH and DM2, allowing for improved dietary guidance actions for this group.
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Copyright (c) 2024 Mayanne Iamara Santos de Oliveira Porto, Helena Alves de Carvalho Sampaio, Aldona Kubica, Katarzyna Buszko, Luíza de Carvalho Almeida, Valéria Mendes Bezerra, Antônio Augusto Ferreira Carioca

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