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Development and testing of the Cholesterol-Lowering Diet Self-Efficacy Scale

Burke, LE and Dunbar-Jacob, J and Sereika, S and Ewart, CK (2003) Development and testing of the Cholesterol-Lowering Diet Self-Efficacy Scale. European Journal of Cardiovascular Nursing, 2 (4). 265 - 273. ISSN 1474-5151

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A cornerstone of treatment for hypercholesterolemia is dietary therapy. However, maintaining adherence to the therapeutic diet has been difficult for patients. There is evidence that self-efficacy is a predictor of positive behavior change like that involved in or necessary for initiating or maintaining recommended diet therapy for cholesterol reduction. This paper reports on two studies guided by Bandura's self-efficacy theory. The first study focuses on development and initial psychometric evaluation of an instrument measuring self-efficacy for adhering to a cholesterol-lowering diet in a sample of 44 cardiac rehabilitation patients; the second establishes psychometric properties of the instrument in a sample of 228 subjects treated for hypercholesterolemia. In both studies, subgroups completed the instrument a second time to provide data on the instrument's temporal stability. The Cholesterol-Lowering Diet Self-Efficacy Scale consists of 33 statements, some with branches for a total of 56 items. The scale measures several components of the eating habits domain related to adhering to a cholesterol-lowering eating plan, and shows good reliability and validity. Reported self-efficacy is related to prior persistence and past success in modifying and maintaining dietary changes, and also to concurrent measures of dietary adherence behaviors. The scale is psychometrically sound thus far and seems adequate in identifying success in achieving and maintaining a cholesterol-lowering eating plan. © 2003 European Society of Cardiology. Published by Elsevier B.V. All rights reserved.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Burke, LElbu100@pitt.eduLBU100
Dunbar-Jacob, Jdunbar@pitt.eduDUNBAR
Sereika, Sssereika@pitt.eduSSEREIKA
Ewart, CK
Date: 1 December 2003
Date Type: Publication
Journal or Publication Title: European Journal of Cardiovascular Nursing
Volume: 2
Number: 4
Page Range: 265 - 273
DOI or Unique Handle: 10.1016/s1474-5151(03)00093-8
Schools and Programs: School of Nursing > Nursing
Refereed: Yes
ISSN: 1474-5151
MeSH Headings: Adult; Aged; Diet Surveys; Female; Food Habits; Heart Diseases--rehabilitation; Humans; Hypercholesterolemia--diet therapy; Male; Middle Aged; Patient Compliance; Predictive Value of Tests; Psychometrics; Reproducibility of Results; Self Efficacy; Self-Assessment; Time Factors; Treatment Outcome
PubMed ID: 14667482
Date Deposited: 18 Sep 2012 14:44
Last Modified: 02 Feb 2019 16:57


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