Cardiac Depression Scale : Mokken scaling in heart failure patients

Chantal F. Ski; David R. Thompson; David L. Hare; Andrew G. Stewart; Roger Watson

doi:10.1186/1477-7525-10-141

Cardiac Depression Scale : Mokken scaling in heart failure patients

Chantal F. Ski, David R. Thompson, David L. Hare, Andrew G. Stewart, Roger Watson

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

There is a high prevalence of depression in patients with heart failure (HF) that is associated with worsening prognosis. The value of using a reliable and valid instrument to measure depression in this population is therefore essential. We validated the Cardiac Depression Scale (CDS) in heart failure patients using a model of ordinal unidimensional measurement known as Mokken scaling. We administered in face-to-face interviews the CDS to 603 patients with HF. Data were analysed using Mokken scale analysis. Items of the CDS formed a statistically significant unidimensional Mokken scale of low strength (H<0.40) and high reliability (Rho>0.8). The CDS has a hierarchy of items which can be interpreted in terms of the increasingly serious effects of depression occurring as a result of HF. Identifying an appropriate instrument to measure depression in patients with HF allows for early identification and better medical management.

Original language	English
Number of pages	5
Journal	Health and Quality of Life Outcomes
Volume	10
Issue number	1
DOIs	https://doi.org/10.1186/1477-7525-10-141
Publication status	Published - 2012

Open Access - Access Right Statement

© 2012 Ski et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Keywords

Mokken scaling
depression_mental
heart failure

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10.1186/1477-7525-10-141

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AU - Ski, Chantal F.

AU - Thompson, David R.

AU - Hare, David L.

AU - Stewart, Andrew G.

AU - Watson, Roger

PY - 2012

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AB - There is a high prevalence of depression in patients with heart failure (HF) that is associated with worsening prognosis. The value of using a reliable and valid instrument to measure depression in this population is therefore essential. We validated the Cardiac Depression Scale (CDS) in heart failure patients using a model of ordinal unidimensional measurement known as Mokken scaling. We administered in face-to-face interviews the CDS to 603 patients with HF. Data were analysed using Mokken scale analysis. Items of the CDS formed a statistically significant unidimensional Mokken scale of low strength (H<0.40) and high reliability (Rho>0.8). The CDS has a hierarchy of items which can be interpreted in terms of the increasingly serious effects of depression occurring as a result of HF. Identifying an appropriate instrument to measure depression in patients with HF allows for early identification and better medical management.

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KW - depression_mental

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DO - 10.1186/1477-7525-10-141

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JO - Health and Quality of Life Outcomes

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Cardiac Depression Scale : Mokken scaling in heart failure patients

Abstract

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