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Predicting self-efficacy using illness perception components: A patient survey

Lau-Walker, Margaret (2010) Predicting self-efficacy using illness perception components: A patient survey British Journal of Health Psychology, 11 (4). pp. 643-661.

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Objectives. To assess the measures of illness representation components in predicting measures of self-efficacy in patients with coronary heart disease. Design. A longitudinal design was adopted with predictor variables and dependent variables (general self-efficacy, diet self-efficacy and exercise self-efficacy) measured twice while participants were in hospital and 9 months following discharge. Change scores of the predictor variables can be calculated and dependent variables at baseline can be controlled. Method. A cohort sample of 300 patients admitted to hospital with coronary heart disease were given the questionnaire measuring their illness perception (illness representation components: identity, consequences, timeline and control/cure and outcome expectation for diet and exercise); self-efficacy (general, diet and exercise self-efficacy measures), demographic and illness characteristics and attendance on a cardiac rehabilitation programme. The patients were asked to complete the questionnaire in hospital before discharge following their cardiac diagnosis, and again, 9 months later, when participants were expected to be functioning independently of any rehabilitation programme. Results. Demographic and illness characteristics were found to have a more significant relationship with illness representation components than with specific self-efficacy. The relationship between illness representation components and specific self-efficacy changes overtime, consequence and timeline were significantly related to self-efficacy measures initially; however, symptom and control/cure were the variables that were significantly related to self-efficacy measures 9 months later. After statistically controlling individuals' baseline self-efficacy measures, demographic and illness characteristic effects, symptom and control/cure were found to make significant contributions to exercise and diet self-efficacy, respectively, 9 months later. Conclusion. A significant relationship exists between illness representation and self-efficacy. There is potential to integrate both approaches to the assessment of psychosocial factors to provide effective individualized care in cardiac rehabilitation.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Health Sciences
Authors :
Lau-Walker, Margaret
Date : November 2010
DOI : 10.1348/135910705X72802
Copyright Disclaimer : © 2006 The British Psychological Society
Depositing User : Clive Harris
Date Deposited : 18 Jul 2017 12:42
Last Modified : 15 Mar 2018 09:51

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