Revista Brasileira de Enfermagem ()

Validation and reliability of the scale Self-efficacy and their child's level of asthma control

  • Ana Lúcia Araújo Gomes,
  • Emanuella Silva Joventino,
  • Kamila Ferreira Lima,
  • Regina Cláudia Melo Dodt,
  • Paulo César de Almeida,
  • Lorena Barbosa Ximenes

DOI
https://doi.org/10.1590/0034-7167-2016-0528
Journal volume & issue
Vol. 71, no. 2
pp. 406 – 412

Abstract

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ABSTRACT Objective: To evaluate the psychometric properties in terms of validity and reliability of the scale Self-efficacy and their child's level of asthma control: Brazilian version. Method: Methodological study in which 216 parents/guardians of children with asthma participated. A construct validation (factor analysis and test of hypothesis by comparison of contrasted groups) and an analysis of reliability in terms of homogeneity (Cronbach's alpha) and stability (test-retest) were carried out. Results: Exploratory factor analysis proved suitable for the Brazilian version of the scale (Kaiser-Meyer-Olkim index of 0.879 and Bartlett's sphericity with p < 0.001). The correlation matrix in factor analysis suggested the removal of item 7 from the scale. Cronbach's alpha of the final scale, with 16 items, was 0.92. Conclusion: The Brazilian version of Self-efficacy and their child's level of asthma control presented psychometric properties that confirmed its validity and reliability.

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