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Quality of Life Research

, Volume 22, Issue 7, pp 1555–1563 | Cite as

Perceived social support predicted quality of life in patients with heart failure, but the effect is mediated by depressive symptoms

  • Misook L. Chung
  • Debra K. Moser
  • Terry A. Lennie
  • Susan K. Frazier
Article

Abstract

Purpose

Depressive symptoms and inadequate social support are well-known independent predictors of increased mortality and morbidity in heart failure (HF). However, it is unclear how depressive symptoms and social support interact to influence quality of life. Thus, the purpose of this study was to determine the nature of the relationships (direct, mediator, and moderator) among depressive symptoms, social support, and quality of life in patients with HF.

Methods

We performed a secondary data analysis that included 362 patients with HF who completed the measures of depressive symptoms (the Beck Depression Inventory-II), perceived social support (the Multidimensional Scale of Perceived Social Support), and quality of life (the Minnesota Living with Heart Failure Questionnaire) instruments. The direct, mediator, and moderator effects of both depressive symptoms and social support on quality of life were tested using multiple regressions and 2 × 2 ANCOVA.

Results

Less social support and greater depressive symptoms independently predicted poorer quality of life. The relationship between social support and quality of life was mediated by depressive symptoms. Neither social support nor depressive symptoms moderated quality of life.

Conclusion

Promotion of social support will improve quality of life only when depressive symptoms are also effectively managed.

Keywords

Quality of life Depressive symptoms Perceived social support Mediator Moderator Heart failure 

Abbreviations

HF

Heart failure

MSPSS

The Multidimensional Scale of Perceived Social Support

NYHA

The New York Heart Association

BDI-II

The Beck Depression Inventory-II

MLHFQ

The Minnesota Living with Heart Failure Questionnaire

DASI

The Duke Activity Status Index

Notes

Acknowledgments

The authors would like to thank all staff in the Research and Intervention for Cardiopulmonary Health (RICH) Heart Program and all participants in the RICH Heart Program. Authors received from Grant/Financial support (1) NIH/NINR 3R01 009280 (Moser, D. K., PI); (2) NIH/NINR 5R01 008567 (Lennie, T. A., PI); (3) AACN Phillips Medical Research Award (Moser, D.K., PI; Chung, M.L., co-PI); (4) NIH/NIH M01RR02602 (University of Kentucky Center for Clinical and Translational Science); (5) NIH/NINR 1P20NR010679 (Moser, D.K., PI and P-20 Center Director).

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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  • Misook L. Chung
    • 1
  • Debra K. Moser
    • 1
  • Terry A. Lennie
    • 1
  • Susan K. Frazier
    • 1
  1. 1.RICH Heart Program, College of NursingUniversity of KentuckyLexingtonUSA

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