J Korean Acad Nurs.  2018 Oct;48(5):521-533. 10.4040/jkan.2018.48.5.521.

Testing a Middle-Range Theory of Self-Care of Chronic Illness: A Validation for Korean Adult Patients with Severe Hypertension

Affiliations
  • 1Department of Nursing, Daejeon Institute of Science And Technology, Daejeon, Korea.
  • 2College of Nursing, Eulji University, Daejeon, Korea. hoh123@eulji.ac.kr

Abstract

PURPOSE
The aims of this study are to provide a theoretical framework for improving the self-care of adults with severe hypertension and to examine the practical suitability of a middle-range theory of self-care for chronic illness by validating the structural model.
METHODS
Data were collected at a university hospital in D metropolitan city from July 1 to August 14, 2015. A total of 224 Korean adult patients with severe hypertension were recruited. Data were analyzed using SPSS 22.0 and AMOS 22.0.
RESULTS
The results show that the fit index of the hypothetical model meets the recommended level; 7 out of 8 hypothetical model paths were statistically significant. Motivation, self-efficacy, support from others, and accessibility to care showed statistical significance and explained 67.3% of the self-care process. The self-care process explained 45.3%, 63.6%, and 26.5% of quality of life, health, and illness stability, respectively.
CONCLUSION
This model can be used as a theoretical framework for improving self-care among adult Korean patients with severe hypertension. Moreover, the practical suitability and validity of the middle-range theory of self-care for chronic illness is secured.

Keyword

Self-Care; Hypertension; Nursing Theory; Chronic Illness

MeSH Terms

Adult*
Chronic Disease*
Humans
Hypertension*
Models, Structural
Motivation
Nursing Theory
Quality of Life
Self Care*

Figure

  • Figure 1 Conceptual framework.

  • Figure 2 Path diagram of the final model.


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