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The role of physical function in the association between physical activity and gait speed in older adults: a mediation analysis

2022Artigo científico Acesso aberto
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dc.contributor.authorNascimento, Marcelo de Maio
dc.contributor.authorGouveia, Elvio
dc.contributor.authorMarques, Adilson
dc.contributor.authorGouveia, Bruna
dc.contributor.authorMarconcin, Priscila
dc.contributor.authorFrança, Cíntia
dc.contributor.authorIhle, Andreas
dc.date.accessioned2022-11-08T15:36:06Z
dc.date.available2022-11-08T15:36:06Z
dc.date.issued2022
dc.description© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).pt_PT
dc.description.abstractAdequate levels of physical function (PF) are essential for vulnerable older adults to perform their daily tasks safely and remain autonomous. Our objective was to explore the mediating role of PF in the relationship between physical activity (PA) and gait speed (GS) in a large sample of older adults from the north of Brazil. This is a cross-sectional study that analyzed 697 older adults (mean age 70.35 ± 6.86 years) who participated in the project "Health, Lifestyle, and Physical Fitness in Older Adults in Amazonas" (SEVAAI). PA was assessed using the Baecke Questionnaire, PF using the Senior Fitness Test, and GS using the 50-foot Walk Test. Mediation pathways were analyzed to test the possible mediating role of PF between specific PA domains (PA-total score, PA-housework, PA-sport, PA-leisure) and GS. Regarding PA-total, the analysis showed that high-performance GS was partially mediated in approximately 19% by better PF performance. Moreover, the PF could partially mediate the association between PA-sport and PA-leisure with GS, at levels of approximately 9% and 46%, respectively. An inverse relationship was observed between PA-housework (sedentary lifestyle) and GS. This association was partially mediated to an extent of approximately 9% by better PF performance. We conclude that PF plays a crucial role in mediating the association between PA and GS among vulnerable older adults.pt_PT
dc.description.sponsorshipWe acknowledge support from the Swiss National Centre of Competence in Research LIVES–Overcoming vulnerability: life course perspectives, which is funded by the Swiss National Science Foundation (grant number: 51NF40-185901). Moreover, AI acknowledges support from the Swiss National Science Foundation (grant number: 10001C_189407). E.R.G., C.F. and B.R.G. acknowledge support from LARSyS—Portuguese national funding agency for science, research and technology (FCT) pluriannual funding 2020–2023 (Reference: UIDB/50009/2020).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationInt J Environ Res Public Health. 2022 Oct 1;19(19):12581pt_PT
dc.identifier.doi10.3390/ijerph191912581pt_PT
dc.identifier.eissn1660-4601
dc.identifier.issn1661-7827
dc.identifier.urihttp://hdl.handle.net/10451/55008
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationLaboratory of Robotics and Engineering Systems
dc.relation.publisherversionhttps://www.mdpi.com/journal/ijerphpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAgingpt_PT
dc.subjectMobilitypt_PT
dc.subjectOlder adultspt_PT
dc.subjectPhysical activitypt_PT
dc.subjectPhysical functionpt_PT
dc.subjectSedentary behaviorpt_PT
dc.subjectVulnerabilitypt_PT
dc.titleThe role of physical function in the association between physical activity and gait speed in older adults: a mediation analysispt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/50009/2020
oaire.awardTitleLaboratory of Robotics and Engineering Systems
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50009%2F2020/PT
oaire.citation.issue19pt_PT
oaire.citation.titleInternational Journal of Environmental Research and Public Healthpt_PT
oaire.citation.volume19pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameGouveia
person.familyNameMarques
person.familyNameFigueira Ornelas de Gouveia
person.familyNamePinto Marconcin
person.givenNameElvio
person.givenNameAdilson
person.givenNameBruna Raquel
person.givenNamePriscila Ellen
person.identifier.ciencia-id3B10-8BDF-0D67
person.identifier.ciencia-id5F18-F9C3-11CB
person.identifier.ciencia-idE212-42B7-575E
person.identifier.ciencia-id001D-427D-31C5
person.identifier.orcid0000-0003-0927-692X
person.identifier.orcid0000-0001-9850-7771
person.identifier.orcid0000-0001-7706-190X
person.identifier.orcid0000-0002-1295-0826
person.identifier.ridF-9156-2015
person.identifier.ridK-4529-2014
person.identifier.scopus-author-id36637395800
person.identifier.scopus-author-id55082567000
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication54a5bf32-51cd-4e5a-b56a-d242a214a958
relation.isAuthorOfPublication1971699a-ff03-48f6-92b9-6a3d7bce1111
relation.isAuthorOfPublication8e3f08fe-317f-49ad-bd46-c32742013c45
relation.isAuthorOfPublicationef3db469-074f-4312-9241-80d43f3a4545
relation.isAuthorOfPublication.latestForDiscovery1971699a-ff03-48f6-92b9-6a3d7bce1111
relation.isProjectOfPublicationf465c226-bc8e-45c9-84ae-1e7333a25010
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