{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,23]],"date-time":"2025-11-23T05:18:29Z","timestamp":1763875109601,"version":"3.45.0"},"reference-count":50,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2025,11,21]],"date-time":"2025-11-21T00:00:00Z","timestamp":1763683200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior - Brasil","doi-asserted-by":"crossref","award":["Code 001"],"award-info":[{"award-number":["Code 001"]}],"id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>The aging population is a global phenomenon that represents a significant demographic shift, with life expectancy closely related to individuals\u2019 functional capacity. Background\/Objectives: Identify latent dimensions in self-perceived functional variables among Brazilian older adults. Methods: This cross-sectional study used data from module K of the 2019 National Health Survey (NHS) in Brazil. Multivariate statistics were applied using Principal Component Analysis (PCA). Results: The sample consisted of 22,728 older adults from all regions of Brazil, with a predominance of females (56%), an average age of 70 years (CI: 69.68\u201370.03), 61% engaged in weekly physical exercise, and most living with a spouse or partner (56.3%). The multivariate statistical analysis, conducted through PCA, resulted in two distinct macro-dimensions of functionality: Activities of Daily Living (ADLs) and Instrumental Activities of Daily Living (IADLs). When analyzing each macro-dimension separately, we identified internal micro-dimensions. Within ADLs, two subdimensions stood out: ADLs Upper Limb Function and ADLs Lower Limb Function. Within IADLs, the micro-dimensions included IADLs Health Management and IADLs Independent Outdoor Mobility. Close results in the subdimensions of variable K25 did not allow for a clear distinction between the estimated IADLs. However, given the importance of this variable in explaining the cognitive aspect of the functional capacity construct, we suggest maintaining it as a separate subdimension: IADLs Financial Management. Conclusions: The latent dimensions of functional capacity identified in this study may help guide functional assessment in older adults, inform therapeutic decision-making, shape public policy, and support further research on functional capacity in aging populations.<\/jats:p>","DOI":"10.3390\/ijerph22121770","type":"journal-article","created":{"date-parts":[[2025,11,21]],"date-time":"2025-11-21T15:33:06Z","timestamp":1763739186000},"page":"1770","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Dimensions of Self-Perceived Functionality in Older Adults Based on the Brazilian National Health Survey"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3597-2769","authenticated-orcid":false,"given":"Jeisyane Acsa Santos do","family":"Nascimento","sequence":"first","affiliation":[{"name":"Graduate Program in Physical Therapy, Federal University of Rio Grande do Norte, UFRN, Lagoa Nova 59078-900, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thais Sousa Rodrigues","family":"Guedes","sequence":"additional","affiliation":[{"name":"Graduate Program in Collective Health, Federal University of Rio Grande do Norte, UFRN, Lagoa Nova 59078-900, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sanderson Jos\u00e9 Costa de","family":"Assis","sequence":"additional","affiliation":[{"name":"Department of Physical Therapy, Faculdade Mauricio de Nassau Natal, Av. Engenheiro Roberto Freire, 1514-Capim Macio, Natal 59080-400, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cl\u00e9cio Gabriel de","family":"Souza","sequence":"additional","affiliation":[{"name":"Graduate Program in Physical Therapy, Faculdades de Ci\u00eancias da Sa\u00fade do Trairi-UFRN\/FACISA, Av. Rio Branco, S\/N, Santa Cruz 59200-000, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9268-8353","authenticated-orcid":false,"given":"Marcelo Cardoso de","family":"Souza","sequence":"additional","affiliation":[{"name":"Graduate Program in Physical Therapy, Federal University of Rio Grande do Norte, UFRN, Lagoa Nova 59078-900, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rafael Limeira","family":"Cavalcanti","sequence":"additional","affiliation":[{"name":"Graduate Program in Physical Therapy, Federal University of Rio Grande do Norte, UFRN, Lagoa Nova 59078-900, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kamila Eduarda da","family":"Silva","sequence":"additional","affiliation":[{"name":"Independent Researcher, Sap\u00e9 58340-000, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9541-5852","authenticated-orcid":false,"given":"Diego Neves de","family":"Araujo","sequence":"additional","affiliation":[{"name":"Medical Sciences Complex, Federal University of Alagoas, Av. Manoel Severino Barbosa-Bom Sucesso, Arapiraca 57309-005, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9679-5287","authenticated-orcid":false,"given":"Johnnatas Mikael","family":"Lopes","sequence":"additional","affiliation":[{"name":"Department of Medicine, Federal University of Vale do S\u00e3o Francisco, UNIVASF, Av. Jos\u00e9 de S\u00e1 Mani\u00e7oba, S\/N-Centro, Petrolina 56304-917, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6166-1273","authenticated-orcid":false,"given":"Marcello Barbosa Otoni Gon\u00e7alves","family":"Guedes","sequence":"additional","affiliation":[{"name":"Graduate Program in Physical Therapy, Federal University of Rio Grande do Norte, UFRN, Lagoa Nova 59078-900, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,11,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"252","DOI":"10.5582\/bst.2023.01204","article-title":"Healthy aging, early screening, and interventions for frailty in the elderly","volume":"17","author":"Deng","year":"2023","journal-title":"Biosci. Trends"},{"key":"ref_2","unstructured":"World Health Organization (2024, December 16). Ageing and Health. 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