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Cognitive decline complaints scale (CDCS): validation and normative studies for the adults and older adults Portuguese population

2022Journal article Restricted access
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dc.contributor.authorFrias, Joana Rita
dc.contributor.authorNogueira, Joana
dc.contributor.authorGerardo, Bianca
dc.contributor.authorAfonso, Rosa Marina
dc.contributor.authorFreitas, Sandra
dc.date.accessioned2022-05-20T08:24:22Z
dc.date.available2022-05-20T08:24:22Z
dc.date.issued2022
dc.description.abstractObjectives: Subjective Cognitive Complaints, which result from the self-perception of Subjective Cognitive Decline, are frequently reported by older adults. The Cognitive Decline Complaints Scale (CDCS) assesses subjective complaints of cognitive decline in several cognitive domains through three levels of severity. This study aims to psychometrically validate this instrument considering the Classical Test Theory, and to establish preliminary normative data of the CDCS for adults and older adults of the Portuguese population. Methods: The community-based sample consisted of 199 cognitively healthy Portuguese participants, aged 50 years or older, stratified according to several sociodemographic variables. In addition to the CDCS, all participants responded to an extensive neuropsychological assessment protocol. Results: The psychometric characteristics of the CDCS were generally adequate for this community sample (e.g. Cronbach's alpha = .936). As for the sociodemographic variables analyzed, only the geographic region showed differences in the CDCS scores, which were more significant in the Azores. There were no significant correlations or differences between the CDCS scores and age and educational level and, therefore, normative data were explored considering the total sample. Conclusion: As a scale, the CDCS allows for the detailed assessment of subjective cognitive complaints and the determination of whether or not such complaints are considered normative, which will facilitate an empirically based understanding of this dimension of psychological functioning and also provide indications as to the need for a more extensive neuropsychological assessment.pt_PT
dc.description.sponsorshipThis work was supported by Foundation for Science and Technology [S.F., grant number: IF/01325/2015].pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1080/13607863.2022.2068130pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/12229
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/pt_PT
dc.subjectSubjective cognitive complaintspt_PT
dc.subjectAgeingpt_PT
dc.subjectMetacognitionpt_PT
dc.subjectNeuropsychological testspt_PT
dc.subjectPsychometricspt_PT
dc.titleCognitive decline complaints scale (CDCS): validation and normative studies for the adults and older adults Portuguese populationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Investigador FCT/IF%2F01325%2F2015%2FCP1314%2FCT0005/PT
oaire.citation.endPage8pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleAging & Mental Healthpt_PT
oaire.fundingStreamInvestigador FCT
person.familyNameFrias
person.familyNameNogueira
person.familyNameGerardo
person.familyNameAfonso
person.familyNameFreitas
person.givenNameJoana
person.givenNameJoana
person.givenNameBianca
person.givenNameRosa Marina
person.givenNameSandra
person.identifier.ciencia-idD81C-0923-2906
person.identifier.ciencia-id9019-3420-8842
person.identifier.ciencia-idE314-D921-2886
person.identifier.ciencia-id321B-A288-E6C6
person.identifier.ciencia-idA01E-8352-BD57
person.identifier.orcid0000-0001-9904-8941
person.identifier.orcid0000-0002-4065-0986
person.identifier.orcid0000-0002-1229-5462
person.identifier.orcid0000-0003-2111-6873
person.identifier.orcid0000-0002-3022-5353
person.identifier.ridK-4917-2013
person.identifier.scopus-author-id33867490600
person.identifier.scopus-author-id54787494500
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.embargofct© 2022 Informa UK Limited, trading as Taylor & Francis Grouppt_PT
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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