Document Detail


Evaluation of the shortened Cholesterol-Lowering Diet Self-Efficacy Scale.
MedLine Citation:
PMID:  16690358     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Specificity in the self-efficacy construct requires that instruments assess domain-specific behaviors. The objectives of the study were to (1) reexamine and shorten the original 57-item Cholesterol-Lowering Diet Self-Efficacy Scale (CLDSES), (2) estimate reliability and validity of the short form CLDSES (CLDSES-SF), (3) examine the dimensionality of the CLDSES-SF, (4) examine discriminant validity of the scale by its ability to differentiate between adherence and nonadherence to saturated fat intake guidelines, and (5) examine the CLDSES-SF's sensitivity and specificity. A sample of 238 patients being treated for hypercholesterolemia completed three instruments: the CLDSES, the Connor Diet Habit Survey (DHS) and a Three-Day Food Record. Internal consistency for the CLDSES-SF was .95. The inter-correlation coefficients among the seven sub-scales ranged from .28 to .62, and for the total to sub-scales .58 - .87, significant at p < .001. Evidence for criterion validity was shown in the correlations between the CLDSES-SF and the Connor DHS scores and between the CLDSES-SF and the Three-Day Food Record. Factor analysis showed a one-factor model that fits the data with a sufficient amount of total variance explained among the seven subscale items in each subscale, providing evidence of the uni-dimensionality of each subscale. Sensitivity (76%) and specificity (63%) for the CLDSES-SF were good with 88% positive predictive value for adherence. The shortened CLDSES retained its good psychometric properties and remains comprehensive in its assessment of self-efficacy for adherence to a cholesterol-lowering diet.
Authors:
Lora E Burke; Yookyung Kim; Fisun Senuzun; Jina Choo; Susan Sereika; Edvin Music; Jacqueline Dunbar-Jacob
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Validation Studies     Date:  2006-05-11
Journal Detail:
Title:  European journal of cardiovascular nursing : journal of the Working Group on Cardiovascular Nursing of the European Society of Cardiology     Volume:  5     ISSN:  1474-5151     ISO Abbreviation:  Eur J Cardiovasc Nurs     Publication Date:  2006 Dec 
Date Detail:
Created Date:  2006-10-30     Completed Date:  2006-12-29     Revised Date:  2007-12-03    
Medline Journal Info:
Nlm Unique ID:  101128793     Medline TA:  Eur J Cardiovasc Nurs     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  264-74     Citation Subset:  IM; N    
Affiliation:
University of Pittsburgh, Health and Community Systems, Pittsburgh, PA, USA. Lbu100@pitt.edu
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MeSH Terms
Descriptor/Qualifier:
Aged
Cholesterol, Dietary / administration & dosage
Diet, Fat-Restricted / psychology*
Discriminant Analysis
Factor Analysis, Statistical
Female
Food Habits / psychology
Health Knowledge, Attitudes, Practice
Humans
Hypercholesterolemia* / diet therapy,  psychology
Male
Middle Aged
Nursing Assessment
Nursing Evaluation Research
Patient Compliance / psychology*
Psychometrics
Questionnaires / standards*
ROC Curve
Self Efficacy*
Sensitivity and Specificity
Socioeconomic Factors
Grant Support
ID/Acronym/Agency:
5F31NR06793/NR/NINR NIH HHS; R01-DK58631/DK/NIDDK NIH HHS; R03 HS08891/HS/AHRQ HHS
Chemical
Reg. No./Substance:
0/Cholesterol, Dietary

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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