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Cardiac Depression Scale: Mokken scaling in heart failure patients

Chantal F Ski1, David R Thompson, David L Hare

  • 1Cardiovascular Research Centre, Australian Catholic University, Melbourne, Australia.

Health and Quality of Life Outcomes
|November 27, 2012
PubMed

Insights

The Cardiac Depression Scale (CDS) effectively measures depression in heart failure patients. This validated tool aids in early identification and improved management of depression in this vulnerable population.

Area of Science:

  • Cardiology
  • Psychiatry
  • Psychometrics

Background:

  • Depression is common in heart failure (HF) patients, worsening prognosis.
  • Reliable depression measurement is crucial for HF patient care.
  • The Cardiac Depression Scale (CDS) was evaluated for validity in HF.

Purpose of the Study:

  • To validate the Cardiac Depression Scale (CDS) for use in heart failure (HF) patients.
  • To assess the reliability and unidimensionality of the CDS using Mokken scale analysis.

Main Methods:

  • The CDS was administered to 603 heart failure patients via face-to-face interviews.
  • Mokken scale analysis was employed to analyze the data.
  • Ordinal unidimensional measurement models were utilized.

Main Results:

  • The CDS items formed a statistically significant unidimensional Mokken scale.
  • The scale demonstrated low strength (H<0.40) but high reliability (Rho>0.8).

Conclusions:

  • The CDS exhibits a hierarchical structure reflecting depression severity in HF.
  • Validating the CDS supports early depression detection and enhanced medical management in HF patients.
Abstract

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