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Functional health literacy: psychometric properties of the newest vital sign for Portuguese adolescents (NVS-PTeen)

2021Journal article Open access
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dc.contributor.authorSantos, Osvaldo
dc.contributor.authorStefanovska-Petkovska, Miodraga
dc.contributor.authorVirgolino, Ana
dc.contributor.authorMiranda, Ana Cristina
dc.contributor.authorCosta, Joana
dc.contributor.authorFernandes, Elisabete
dc.contributor.authorCardoso, Susana
dc.contributor.authorCarneiro, António Vaz
dc.date.accessioned2021-03-11T16:48:49Z
dc.date.available2021-03-11T16:48:49Z
dc.date.issued2021
dc.description.abstractSelf-management of health requires skills to obtain, process, understand, and use healthrelated information. Assessment of adolescents’ functional health literacy requires valid, reliable,and low-burden tools. The main objective of this study was to adapt and study the psychometric properties of the Newest Vital Sign for the Portuguese adolescents’ population (NVS-PTeen). Classic psychometric indicators of reliability and validity were combined with item response theory (IRT) analyses in a cross-sectional survey, complemented with a 3-month test-retest assessment. The NVSPTeen was self-administered to students enrolled in grades 8 to 12 (12 to 17 years old) in a school setting. Overall, 386 students (191 girls) from 16 classes of the same school participated in the study (mean age = 14.5; SD = 1.5). Internal reliability of the NVS-PTeen was = 0.60. The NVS-PTeen total score was positively and significantly correlated with Portuguese (r = 0.28) and mathematics scores (r = 0.31), school years (r = 0.31), and age (r = 0.19). Similar to the original scale (for the U.S.), the NVSPTeen is composed of two dimensions, reading-related literacy and numeracy. Temporal reliability is adequate, though with a learning effect. IRT analyses revealed differences in difficulty and discriminative capacity among items, all with adequate outfit and infit values. Results showed that the NVS-PTeen is valid and reliable, sensible to inter-individual educational differences, and adequate for regular screening of functional health literacy in adolescents.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSantos, O.; Stefanovska-Petkovska,M.; Virgolino,A.; Miranda, A.C.; Costa, J.; Fernandes, E.; Cardoso, S.; Vaz Carneiro, A. Functional Health Literacy: Psychometric Properties of the Newest Vital Sign for Portuguese Adolescents (NVS-PTeen). Nutrients 2021, 13, 790. https://doi.org/ 10.3390/nu13030790pt_PT
dc.identifier.doidoi:10.3390/nu13030790pt_PT
dc.identifier.issn2072-6643
dc.identifier.urihttp://hdl.handle.net/10400.8/5480
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationHealth information of Portuguese population: Knowledge and perceived quality and accessibility of health information sources
dc.relationEnvironmental Health Institute
dc.relationEnvironmental Health Institute
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectFunctional health literacypt_PT
dc.subjectQuestionairept_PT
dc.subjectPsychometricspt_PT
dc.subjectItem response theorypt_PT
dc.subjectAdolescentspt_PT
dc.titleFunctional health literacy: psychometric properties of the newest vital sign for Portuguese adolescents (NVS-PTeen)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleHealth information of Portuguese population: Knowledge and perceived quality and accessibility of health information sources
oaire.awardTitleEnvironmental Health Institute
oaire.awardTitleEnvironmental Health Institute
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/HMSP-IISE%2FSAU-ICT%2F0004%2F2009/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04295%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04295%2F2020/PT
oaire.citation.issue3pt_PT
oaire.citation.titleNutrientspt_PT
oaire.citation.volume13pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameCardoso
person.givenNameSusana
person.identifier.orcid0000-0003-1994-6958
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication73ed45a1-7a26-4857-9784-d4f5212e44da
relation.isAuthorOfPublication.latestForDiscovery73ed45a1-7a26-4857-9784-d4f5212e44da
relation.isProjectOfPublication80caa268-0f21-455d-b23e-c96d461ff2db
relation.isProjectOfPublication53b3688c-5bf0-4960-bbe8-5c2800fc39ae
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