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Exploring the construct validity of the Barthel index in a sample of Spanish hospitalised patients.
- Source :
-
Enfermeria clinica (English Edition) [Enferm Clin (Engl Ed)] 2023 Sep-Oct; Vol. 33 (5), pp. 370-374. Date of Electronic Publication: 2023 Sep 14. - Publication Year :
- 2023
-
Abstract
- Objective: Examine the construct validity of the Barthel Index in adult inpatient units.<br />Method: A secondary analysis was performed on a sample of 1342 adult patients admitted to inpatient units. A confirmatory factor analysis of the Barthel Index did not confirm its unidimensional structure (CFA-1). Therefore, two methods were explored to find a solution with a better fit. The sequence of the classical exploratory and confirmatory factor analysis methods was carried out (CFA-2). In contrast, a Gaussian graphical model and confirmatory factor analysis (CFA-3) were performed. Three models were compared on the basis of several goodness-of-fit indicators.<br />Results: CFA-1 results (χ2 = 161,616; P < .001; RMSEA = .183) indicated a poor fit between the model and the data. Exploratory factor analysis provided a model with two dimensions that explained 86% of the variance and improved the goodness-of-fit in CFA-2 (χ2 = 846; P < .001; RMSEA = .133). The Gaussian graphical model, by removing the item 'Bladder', offered a solution with three dimensions that improved the goodness-of-fit compared to the previous models (χ2 = 492; P < .001; RMSEA = .09).<br />Conclusion: The Barthel Index is not a unidimensional measure of functional capacity when applied to adult inpatient units. The best-fitting model has a three-dimensional structure (Hygiene; Feeding and disposal; Mobility) that relates to the domains of care needs.<br /> (Copyright © 2023 The Authors. Published by Elsevier España, S.L.U. All rights reserved.)
- Subjects :
- Adult
Humans
Factor Analysis, Statistical
Hospitalization
Subjects
Details
- Language :
- English
- ISSN :
- 2445-1479
- Volume :
- 33
- Issue :
- 5
- Database :
- MEDLINE
- Journal :
- Enfermeria clinica (English Edition)
- Publication Type :
- Academic Journal
- Accession number :
- 37714460
- Full Text :
- https://doi.org/10.1016/j.enfcle.2023.06.005