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Interactions Between BMI and Age on Fall Risk in Older Adults

2026Artigo científico Acesso aberto
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datacite.subject.fosCiências Médicas::Ciências da Saúde
datacite.subject.sdg03:Saúde de Qualidade
dc.contributor.authorRodrigues, Filipe
dc.contributor.authorMonteiro, Diogo
dc.contributor.authorMonteiro, António Miguel
dc.contributor.authorForte, Pedro
dc.date.accessioned2026-03-20T11:41:33Z
dc.date.available2026-03-20T11:41:33Z
dc.date.issued2026
dc.description.abstractThe aging process is typically marked by a reduction in functional fitness, which heightens the likelihood of falling. Although obesity is established as a determinant of poor mobility, the interplay between excess weight and advanced age is still a topic of research interest. Therefore, this research investigated how age, sex, and Body Mass Index (BMI) interact to influence fall risk among older adults living in the community. This cross-sectional investigation involved 815 participants (Mage = 70.45 ± 6.10 years), stratified by age (sexagenarians, septuagenarians, octogenarians) and BMI (normal weight, overweight, obesity). Fall risk was assessed using the Timed Up and Go test. A Three-Way ANOVA examined the main and interaction effects. No significant three-way interaction (p = 0.334) or main effect of sex (p = 0.079) was found. However, a significant age x BMI interaction was observed (p = 0.007). In sexagenarians and septuagenarians, obesity was associated with significantly slower fall risk performance compared to normal weight (p < 0.001). Conversely, in octogenarians, this difference was not significant (p = 1.000) with normal-weight individuals. Obesity may be a significant risk factor for falls, especially in adults aged 60 to 79 years. In octogenarians, the protective benefit of normal weight disappears, revealing a “weight paradox” likely driven by sarcopenia. Fall risk assessments and weight management strategies should be tailored to age, focusing on preserving muscle mass in octogenarians.eng
dc.description.sponsorshipThis work was funded by National Funds by FCT\u2014Foundation for Science and Technology under the following project UID/04045: Research Center in Sports Sciences, Health Sciences, and Human Development.
dc.identifier.citationRodrigues, Filipe; Monteiro, Diogo; Monteiro, António M.; Forte, Pedro (2026). Interactions Between BMI and Age on Fall Risk in Older Adults. Epidemiologia. ISSN 2673-3986. 7:1, p. 1-10.
dc.identifier.doi10.3390/epidemiologia7010018
dc.identifier.issn2673-3986
dc.identifier.urihttp://hdl.handle.net/10198/36161
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI
dc.relationResearch Center in Sports Sciences, Health Sciences and Human Development
dc.relation.ispartofEpidemiologia
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectAging
dc.subjectFall risk
dc.subjectFunctional fitness
dc.subjectObesity paradox
dc.subjectSarcopenia
dc.titleInteractions Between BMI and Age on Fall Risk in Older Adultseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUID/DTP/04045/2019
oaire.awardTitleResearch Center in Sports Sciences, Health Sciences and Human Development
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FDTP%2F04045%2F2019/PT
oaire.citation.endPage10
oaire.citation.issue1
oaire.citation.startPage1
oaire.citation.titleEpidemiologia
oaire.citation.volume7
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameForte
person.givenNamePedro
person.identifier.ciencia-id351B-B16B-79C7
person.identifier.orcid0000-0003-0184-6780
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublication3ecc6d1b-07a4-40d7-81f4-df6fd7b3d5b0
relation.isAuthorOfPublication.latestForDiscovery3ecc6d1b-07a4-40d7-81f4-df6fd7b3d5b0
relation.isProjectOfPublication512ae2d1-6c8e-4a0e-bbdb-aeb577811865
relation.isProjectOfPublication.latestForDiscovery512ae2d1-6c8e-4a0e-bbdb-aeb577811865

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