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Portuguese version of the Tilburg Frailty Indicator: Transcultural adaptation and psychometric validation

dc.contributor.authorCoelho, Tiago
dc.contributor.authorSantos, Rubim
dc.contributor.authorPaúl, Constança
dc.contributor.authorGobbens, Robbert JJ
dc.contributor.authorFernandes, Lia
dc.date.accessioned2015-01-09T12:18:51Z
dc.date.available2016-01-31T01:30:09Z
dc.date.issued2015-07
dc.description.abstractTo present the translation and validation process of the Portuguese version of the Tilburg Frailty Indicator (TFI). A cross-sectional study was designed using a non-probability sample of 252 community-dwelling older adults. Preliminary studies were carried out for face and content validity assessment. Internal consistency, test–retest reliability, construct (convergent/divergent) and criterion validity were subsequently analyzed. The sample was mainly women (75.8%), with a mean age of 79.2 ± 7.3 years. TFI internal consistency was good (KR-20 = 0.78). Test–retest reliability for the total was also good (r = 0.91), with kappa coefficients showing substantial agreement for most items. TFI physical and social domains correlated as expected with concurrent measures, whereas the TFI psychological domain showed similar correlations with other psychological and physical measures. The TFI showed a good to excellent discrimination ability in regard to frailty criteria, and fair to good ability to predict adverse outcomes. The psychometric properties of the TFI seem to be consistently good. These findings provide initial evidence that the Portuguese version is a valid and reliable measure for assessing frailty in the elderly.por
dc.identifier.citationCoelho, T., Santos, R., Paúl, C., Gobbens, R. J., & Fernandes, L. (2015). Portuguese version of the Tilburg Frailty Indicator: Transcultural adaptation and psychometric validation. Geriatrics & Gerontology International, 15(8), 951–960. https://doi.org/10.1111/ggi.12373
dc.identifier.doi10.1111/ggi.12373
dc.identifier.urihttp://hdl.handle.net/10400.22/5368
dc.language.isoporpor
dc.peerreviewedyespor
dc.subjectElderlypor
dc.subjectFrailtypor
dc.subjectTilburg Frailty Indicatorpor
dc.subjectValidation studypor
dc.titlePortuguese version of the Tilburg Frailty Indicator: Transcultural adaptation and psychometric validationpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleGeriatrics & Gerontology Internationalpor
person.familyNameCoelho
person.familyNameRubim Silva Santos
person.givenNameTiago
person.givenNameManuel
person.identifier188655
person.identifier.ciencia-idB417-8E58-EF75
person.identifier.ciencia-idA018-2B24-C597
person.identifier.orcid0000-0001-7847-2401
person.identifier.orcid0000-0002-7394-7604
person.identifier.ridJJC-7415-2023
person.identifier.scopus-author-id56583916600
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication7c814c96-7746-4d89-ab01-ed2e4af5ab92
relation.isAuthorOfPublication0a264044-a870-4fca-b976-f7ce003d23a8
relation.isAuthorOfPublication.latestForDiscovery0a264044-a870-4fca-b976-f7ce003d23a8

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