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Disease burden morbidity assessment by self-report: Psychometric properties in older adults in Spain

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dc.contributor.author Wijers, I.
dc.contributor.author Ayala García, Alba
dc.contributor.author Rodríguez Blázquez, Carmen
dc.contributor.author Rodríguez Laso, Ángel
dc.contributor.author Rodríguez Rodríguez, Vicente
dc.contributor.author Forjaz, María João
dc.date.accessioned 2020-03-07T16:54:57Z
dc.date.available 2020-03-07T16:54:57Z
dc.date.issued 2017
dc.identifier.citation Wijers, I. G., Ayala García, A., Rodríguez Blázquez, C., Rodríguez Laso, Á., Rodríguez Rodríguez, V., & Forjaz, M. J. (2017). Disease burden morbidity assessment by self-report: Psychometric properties in older adults in Spain. Geriatrics & Gerontology International, 17(7), 1102–1108. https://doi.org/10.1111/ggi.12835 spa
dc.identifier.issn 1444-1586
dc.identifier.issn 1447-0594
dc.identifier.uri http://hdl.handle.net/11268/8711
dc.description.abstract Aim: To carry out an analysis of the psychometric properties of the Disease Burden Morbidity Assessment (DBMA) according to the assumptions of the Classical Test Theory. Methods: A sample of 707 community-dwelling adults aged 65 years and older, living in Spain, completed the DBMA. Psychometric properties of the scale (feasibility, acceptability, scaling assumptions, reliability and construct validity) were analyzed. Results: The mean DBMA score was 6.8. Feasibility and acceptability were satisfactory, except for large floor effects (>50%), as well as a skewed distribution (1.8). Item-total corrected correlation ranged 0.10–0.49, item homogeneity index was 0.09 and Cronbach's alpha was 0.72. Disease burden correlated strongly with physical functioning (r = –0.56) and perceived health (r = –0.56), and moderately with depression (r = 0.41) and the Personal Wellbeing Index (r = –0.41). Exploratory factor analysis extracted five factors, explaining 44% of the variance. Conclusions: The DBMA is an acceptable and valid instrument for measuring disease burden in older adults. Future studies should include Rasch analysis to further assess dimensionality and explore other measurement properties. spa
dc.description.sponsorship Sin financiación spa
dc.language.iso eng spa
dc.title Disease burden morbidity assessment by self-report: Psychometric properties in older adults in Spain spa
dc.type article spa
dc.description.impact 2.656 JCR (2017) Q1, 9/36 Gerontology; Q3, 29/53 Geriatrics & Gerontology spa
dc.identifier.doi 10.1111/ggi.12835
dc.rights.accessRights closedAccess spa
dc.subject.uem Gerontología spa
dc.subject.uem Calidad de vida spa
dc.subject.unesco Gerontología spa
dc.subject.unesco Calidad de vida spa
dc.description.filiation UEM spa
dc.peerreviewed Si spa


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