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However, the contribution of physical and cognitive functions to this relationship needs further examination. This study aims to examine the mediating effect of physical fitness and cognitive function in the relationship between independence in basic ADLs and QoL among older adults with dementia.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>This cross-sectional study included 107 older adults with dementia (74.8% women; age 78.21\u2009\u00b1\u20097.70\u00a0years). Independence in basic ADL and QoL were evaluated using the Barthel Index (BI) and QoL- Alzheimer\u2019s Disease Scale, respectively. The Alzheimer\u2019s Disease Assessment Scale\u2013Cognitive Subscale and the Mini-Mental State Examination were applied to assess cognitive function. Physical fitness was evaluated using the 30-s chair stand, 2-min step and the Timed-Up and Go tests. A structural equation modelling (SEM) with bootstrapping estimation was conducted to determine the relationship between all variables.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Independence in basic ADL positively affected QoL and this association was mediated by physical fitness (\u03b2\u2009=\u20090.242, p\u2009=\u20090.011). No statistically significant results were observed when testing cognitive function as a mediator between BI and QoL (\u03b2\u2009=\u20090.009, p\u2009=\u20090.345).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Physical fitness (i.e., lower body strength, aerobic capacity, and mobility) plays a role in the relationship between basic ADL independence and QoL of older adults with dementia, reinforcing the need to improve and monitor these parameters throughout the disease progression. Future longitudinal studies should explore the temporal relationship between physical and cognitive function and its contribution to basic ADL independence and QoL.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s11136-023-03570-3","type":"journal-article","created":{"date-parts":[[2023,12,19]],"date-time":"2023-12-19T08:02:33Z","timestamp":1702972953000},"page":"917-926","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Do physical fitness and cognitive function mediate the relationship between basic activities of daily living and quality of life in older adults with dementia?"],"prefix":"10.1007","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7709-7539","authenticated-orcid":false,"given":"Duarte","family":"Barros","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8839-5726","authenticated-orcid":false,"given":"Fl\u00e1via","family":"Borges-Machado","sequence":"additional","affiliation":[]},{"given":"Anabela","family":"Silva-Fernandes","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4740-7951","authenticated-orcid":false,"given":"Oscar","family":"Ribeiro","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6500-7543","authenticated-orcid":false,"given":"Joana","family":"Carvalho","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2023,12,19]]},"reference":[{"key":"3570_CR1","doi-asserted-by":"publisher","DOI":"10.1093\/ageing\/afac204","author":"S Banerjee","year":"2022","unstructured":"Banerjee, S. 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