Reliability, validity and factor structure of the Appraisal of Self-Care Agency Scale-Revised (ASAS-R)

Journal of Evaluation in Clinical Practice
Valmi D SousaAla'a F Jaber

Abstract

Self-care agency is a fundamental concept in nursing and health care research. Having self-care agency enhances an individual's health-promoting behaviours and/or specific capabilities for chronic disease self-management. The purpose of this study was to continue the development and psychometric testing of the Appraisal of Self-Care Agency - Revised (ASAS-R). A cross-sectional methodological design was used to examine the reliability, validity and factor structure of the ASAS-R among individuals from the general population. The sample consisted of 629 adults who were randomly selected to conduct an exploratory factor analysis (EFA; n=240) and a confirmatory factor analysis (CFA; n=389) of the scale. A demographic questionnaire, the ASAS-R and the Health-Promoting Lifestyle Profile (HPLP-II) were the measures used to collect the data. The final 15-item three-factor ASAS-R had an overall Cronbach's alpha (α) of 0.89. The three factors extracted, rotated and scored in this study were labelled: having power for self-care, developing power for self-care and lacking power for self-care. All inter-items and item-to-total correlations met recommended criteria of r=0.30 to r=0.70, except for one of the items that had an item-to-total co...Continue Reading

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Citations

Nov 11, 2011·Diabetes Research and Clinical Practice·Kimberley J SmithNorbert Schmitz
Nov 30, 2010·Archives of Psychiatric Nursing·Valmi D SousaAla'a F Jaber
Nov 20, 2016·Journal of Advanced Nursing·Maria MatareseMaria Grazia De Marinis
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