Multiple comorbid conditions challenge heart failure self-care by decreasing self-efficacy

Victoria Vaughan Dickson, Harleah Buck, Barbara Riegel

Research output: Contribution to journalArticle

Abstract

Background : Most heart failure patients have multiple comorbidities. Objective: This study aims to test the moderating effect of comorbidity on the relationship between self-efficacy and self-care in adults with heart failure. Methods: Secondary analysis of four mixed methods studies (n = 114) was done. Self-care and self-efficacy were measured using the Self-Care of Heart Failure Index. Comorbidity was measured with the Charlson Comorbidity Index. Parametric statistics were used to examine the relationships among self-efficacy, self-care, and the moderating influence of comorbidity. Qualitative data yielded themes about self-efficacy in self-care and explained the influence of comorbidity on self-care. Results: Most (79%) reported two or more comorbidities. There was a significant relationship between self-care and the number of comorbidities (r =-.25; p = .03). There were significant differences in self-care by comorbidity level (self-care maintenance, F[1, 112], 5.96, p = .019, and self-care management, F[1, 72], 4.66, p = .034). Using moderator analysis of the effect of comorbidity on self-efficacy and self-care, a significant effect was found only in self-care maintenance among those who had moderate levels of comorbidity (b = .620, p = .022, Fchange df[6,48], 5.61, p = .022). In the qualitative data, self-efficacy emerged as an important variable influencing self-care by shaping how individuals prioritized and integrated multiple and often competing self-care instructions. Discussion: Comorbidity influences the relationship between self-efficacy and self-care maintenance, but only when levels of comorbidity are moderately high. Methods of improving self-efficacy may improve self-care in those with multiple comorbidities.

Original languageEnglish (US)
Pages (from-to)2-9
Number of pages8
JournalNursing Research
Volume62
Issue number1
DOIs
StatePublished - Jan 2013

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Self Efficacy
Self Care
Heart Failure
Comorbidity

Keywords

  • chronicity
  • comorbidity
  • heart failure
  • mixed methods
  • self-care
  • self-efficacy

ASJC Scopus subject areas

  • Nursing(all)

Cite this

Multiple comorbid conditions challenge heart failure self-care by decreasing self-efficacy. / Vaughan Dickson, Victoria; Buck, Harleah; Riegel, Barbara.

In: Nursing Research, Vol. 62, No. 1, 01.2013, p. 2-9.

Research output: Contribution to journalArticle

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