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Psicología desde el Caribe
versão impressa ISSN 0123-417Xversão On-line ISSN 2011-7485
Resumo
ROJAS-GUALDRON, Diego Fernando et al. Rasch analysis of the WHOQOL-BREF in older adults from Bucaramanga and Manizales. Psicol. caribe [online]. 2018, vol.35, n.3, pp.183-196. ISSN 0123-417X. https://doi.org/10.14482/psdc.35.3.153.
This research aimed to evaluate the validity evidences of a unidimensional approach to WHOQOL-BEF in older adults. The instrument was applied to a probabilistic sample of 510 older adults from Bucaramanga and Manizales beneficiaries of day care institutions. Rasch analyses of category function, item and person fit, differential item functioning, unidimensionality and reliability analyses were performed. The category structure had to be collapsed from five to four choices. All items and a high proportion of older adults showed adequate adjustment to the Rasch model. Differential item functioning was identified in five items, although their impact on overall measure was low. Internal consistency was 0.92 and item reliability 0.98. Wright's map is presented. A unidimensional, interval-scale measure of quality of life can be obtained from the WHOQOL-BREF for older adults.
Palavras-chave : quality of life; aged; validation studies.