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Psychometric testing of the Multidimensional Scale of Perceived Social Support in patients with comorbid COPD and
Andrew Bugajski1, Susan K Frazier2, Debra K Moser2
1University of South Florida College of Nursing, 12901 Bruce B. Downs Blvd., Tampa, FL 33612, United States.
Background:
Chronic disease self-management is complex and multidimensional. Optimal performance of self-management behaviors requires support from patient's friends, family, and significant others. The Multidimensional Scale of Perceived Social Support (MSPSS) is a 12-item questionnaire used to measure patient's social support from friends, family, and significant others.
Objectives:
To examine the psychometric properties of the MSPSS in patients with comorbid chronic obstructive pulmonary disease (COPD) and heart failure (HF).
Methods:
Reliability, factorial validity, and construct validity of the MSPSS were examined using Cronbach's alpha, split-half reliability, factor analysis via principal components analysis and hypothesis testing via multivariate linear regression, respectively.
Results:
The MSPSS demonstrated excellent internal consistency with Cronbach's alpha consistently above 0.90. Factor analysis yielded a 3-factor solution, with items loading appropriately on the Friend, Family and Significant Other subscales.
Conclusion:
The MSPSS is a reliable, valid instrument to measure perceived social support in patients with comorbid COPD and HF.
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