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Psychological Factors and Treatment Adherence Behavior in Patients With Chronic Heart Failure

Schweitzer, Robert D. PhD, MA (ClinPsy); Head, Kathryn B Psychol (Hons); Dwyer, Jonathan W. PhD, BA (Hons)

Articles

Background: Chronic heart failure adversely affects 300,000 Australians. Symptom stabilization and prognosis are partially determined by patients following medical and lifestyle recommendations.

Methods: To test the hypothesis that depression, anxiety, and self-efficacy are independent predictors of such adherence, 115 predominately male (70.6%) volunteers with a mean age of 63 years were recruited from a major teaching hospital in Australia.

Results: Depression (Beck Depression Inventory score >10, 33.3%) failed to predict adherence. Trait anxiety (State-Trait Anxiety Inventory score >40, 31%) explained minimal variability regarding smoking and alcohol adherence. Self-efficacy strongly predicted adherence behavior.

Conclusions: Findings will assist cardiac nurses to prepare strategies to optimize adherence and quality of life while minimizing public health costs.

Robert D. Schweitzer, PhD, MA (ClinPsy) Associate Professor, School of Psychology and Counselling, Queensland University of Technology, Australia.

Kathryn Head, B Psychol (Hons) School of Psychology and Counselling, Queensland University of Technology, Australia.

Jonathan W. Dwyer, PhD, BA (Hons) School of Psychology and Counselling, Queensland University of Technology, Australia.

Corresponding author Robert D. Schweitzer, PhD, MA (ClinPsy), School of Psychology and Counselling, Queensland University of Technology, Brisbane, QLD 4034, Australia (e-mail: r.schweitzer@qut.edu.au).

© 2007 Lippincott Williams & Wilkins, Inc.