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A New Self-management Scale with a Hierarchical Structure for Patients with Type 2 Diabetes
Asian Nursing Research ; : 249-256, 2020.
Article de En | WPRIM | ID: wpr-889461
Bibliothèque responsable: WPRO
ABSTRACT
Purpose@#The aims of this study were to develop a new instrument for measuring self-management with a hierarchical structure [the Diabetes Self-Management Scale (DSMS)] in patients with type 2 diabetes, and evaluate its psychometric properties. @*Methods@#The DSMS instrument was developed in three phases: (1) conceptualization and item generation; (2) content validity and pilot testing; and (3) field testing of its psychometric properties. A convenience sample of 473 participants was recruited in three university hospitals and one regional health center, South Korea. @*Results@#Exploratory and confirmatory factor analyses yielded two second-order component models explaining the common variance among six first-order factors. Principal axis factoring with a varimax rotation accounted for 60.88% of the variance. Confirmatory factor analysis of the hierarchical structure revealed the following fit indices: χ2/df = 1.373, standardized root-mean-square residual = .050, goodness-of-fit index = .935, incremental fit index = .975, comparative fit index = .974, and root-mean-square error of approximation = .039. All Cronbach' α values for internal consistency exceeded the criterion of .70. All of the intraclass correlation coefficients for test–retest reliability exceeded .70 except that for the taking-medication subscale. The components of the DSMS were moderately correlated with the comparator measures of self-efficacy and health literacy administered for convergent validity. @*Conclusion@#The DSMS is a new instrument for measuring the complex nature of self-management in patients with type 2 diabetes, comprising 17 items scored on a five-point Likert scale. The DSMS exhibits satisfactory psychometric properties for five reliability and validity metrics, and so is a suitable instrument to apply in both research and clinical practices.
Texte intégral: 1 Indice: WPRIM Type d'étude: Prognostic_studies langue: En Texte intégral: Asian Nursing Research Année: 2020 Type: Article
Texte intégral: 1 Indice: WPRIM Type d'étude: Prognostic_studies langue: En Texte intégral: Asian Nursing Research Année: 2020 Type: Article