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Validation of the Portuguese version of the Pittsburgh Sleep Quality Index (PSQI-PT)

2017-01Journal article Restricted access
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dc.contributor.authorJoão, Karine
dc.contributor.authorBrandolim Becker, Nathália
dc.contributor.authorJesus, Saúl
dc.contributor.authorSantos Martins, Rute Isabel
dc.date.accessioned2019-11-20T15:08:06Z
dc.date.available2019-11-20T15:08:06Z
dc.date.issued2017-01
dc.description.abstractThe present study was realised to validate the Portuguese version of the PSQI. The instrument PSQI-PT was applied to 347 Portuguese community -dwelling adults aged 18-69 years old. The resulting data was used to perform the psychometric analysis to validate the instrument. No structural modifications to the questionnaire were necessary during the adaptation process. The scores for the PSQI-PT showed an adequate internal consistency. The principal component analysis (PCA) produced good factor loading for all items. Finally, the analysis of demographic variables showed that age and literacy influence the values for the "Global Sleep Quality" (GSQ) in this Portuguese sample. In conclusion, this study demonstrated that the PSQI-PT is a valid and reliable instrument for the assessment of sleep quality with the advantage of allowing community -dwelling adults differentiation between good and poor sleepers.
dc.description.sponsorshipFoundation for Science and Technology - Portugal (CIEO - Research Centre for Spatial and Organizational Dynamics, University of Algarve, Portugal)
dc.description.sponsorshipCoordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) [BEX 1990/15-2]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1016/j.psychres.2016.11.042
dc.identifier.issn0165-1781
dc.identifier.urihttp://hdl.handle.net/10400.1/13358
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier Ireland
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectPsychiatric-disorders
dc.subjectGeneral-population
dc.subjectOlder-adults
dc.subjectInsomnia
dc.subjectFibromyalgia
dc.subjectPrevalence
dc.subjectSymptoms
dc.subjectCancer
dc.subjectModel
dc.subjectScale
dc.titleValidation of the Portuguese version of the Pittsburgh Sleep Quality Index (PSQI-PT)
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage229
oaire.citation.startPage225
oaire.citation.titlePsychiatry Research
oaire.citation.volume247
person.familyNameJoão
person.familyNameBrandolim Becker
person.familyNameNeves de Jesus
person.givenNameKarine
person.givenNameNathália
person.givenNameSaúl
person.identifier.ciencia-id9A12-2DA2-4C0F
person.identifier.orcid0000-0002-6616-4812
person.identifier.orcid0000-0002-9755-2877
person.identifier.orcid0000-0003-2019-1011
person.identifier.ridA-4832-2015
person.identifier.scopus-author-id57192180411
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication2a6ebcdf-d3db-4f99-8b67-ccdebb4bb942
relation.isAuthorOfPublicatione8e23999-96c9-4666-b0d0-0a729619f995
relation.isAuthorOfPublication440a7f91-c74d-472c-8228-0c2db46d6cbb
relation.isAuthorOfPublication.latestForDiscovery2a6ebcdf-d3db-4f99-8b67-ccdebb4bb942

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