Validity and reliability of the chronic heart failure questionnaire mastery subscale in patients with defibrillators

JinShil Kim, Susan Pressler, Janet Welch, William Groh

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Reliable, valid measures are needed to assess one's sense of mastery, which has the potential for decreasing anxiety and depressive symptoms among patients with implantable cardioverter-defibrillators (ICDs). This study evaluates the reliability and validity of a measure of mastery, the Chronic Heart Failure Questionnaire (CHQ) mastery subscale. One hundred twenty-two (75% men, mean age 65 years) and 100 patients complete baseline and 12-month face-to-face interviews, respectively. The CHQ mastery subscale is found to have internal consistency reliability (Cronbach's alphas = .79, .84), and its validity is supported. Factor analysis yields a single robust factor. Differences in the CHQ mastery subscale scores by the New York Heart Association (NYHA) classes are found: Patients with NYHA Class III or IV have lower mastery than those with Class I or II. Baseline younger age and less frequent ICD shocks and lower mastery are significant predictors of respectively 12-month anxiety (R2 = .37) and depressive symptoms (R2 = .45). The CHQ mastery subscale has demonstrated satisfactory reliability and validity in this sample.

Original languageEnglish
Pages (from-to)1057-1075
Number of pages19
JournalWestern Journal of Nursing Research
Volume31
Issue number8
DOIs
StatePublished - Dec 2009

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Defibrillators
Reproducibility of Results
Heart Failure
Implantable Defibrillators
Anxiety
Depression
Statistical Factor Analysis
Shock
Interviews
Surveys and Questionnaires

Keywords

  • Anxiety
  • Depressive symptoms
  • Implantable cardioverter-defibrillator
  • Sense of mastery

ASJC Scopus subject areas

  • Nursing(all)

Cite this

Validity and reliability of the chronic heart failure questionnaire mastery subscale in patients with defibrillators. / Kim, JinShil; Pressler, Susan; Welch, Janet; Groh, William.

In: Western Journal of Nursing Research, Vol. 31, No. 8, 12.2009, p. 1057-1075.

Research output: Contribution to journalArticle

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