Development and Psychometric Properties of the Family Support Questionnaire for Adherence to Low Fat Diet in Patients with Cardiovascular Disease
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background And Objectives
Social support is considered as a key factor in adherence to a low fat diet among patients with cardiovascular disease. The main objective of this study is to develop and evaluate the psychometric properties of the family support questionnaire for adherence to low fat diet in patients with cardiovascular disease.Methods
The participants were 212 patients with cardiovascular disease who were discharged from 2 medical centers (Khatam Al-Anbiya and Ali Ibn Abi Talib) in the city of Zahedan. They were enrolled by the convenience sampling method. Internal consistency and Cronbachs alpha were used to test the scales reliability and following, the exploratory factor analysis method (principal components analysis by using Varimax rotation) was used for the investigation factor structure.Results
The principal components analysis (PCA) provided support for two-factor structure (emotional and instrumental support) of the family support questionnaire for adherence to low fat diet in patients with cardiovascular disease. Two-factor structure explained 83.29% of the variance. In this analysis, the first factor (emotional support) and second factor (instrumental support), respectively, explained 63.03% and 20.25% of variance. The questionnaire had acceptable internal consistency. The Cronbachs alpha coefficient for the questionnaire was 0.89 and for both instrumental and emotional support was equal to 0.71 and 0.99, respectively.Conclusions
The present questionnaire is a valid and reliable instrument to measure family support for adherence to low fat diet in patients with cardiovascular disease. Keywords:
Language:
English
Published:
Journal of Health Scope, Volume:7 Issue: 1, Feb 2018
Page:
10
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