Impact of physical activity on cognitive decline, dementia and its subtypes: meta-analysis of prospective studies
The association of physical activity with dementia and its subtypes has remained controversial in the literature and has continued to be a subject of debate among researchers. A systematic review and meta-analysis of longitudinal studies on the relationship between physical activity and the risk of...
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Hindawi Publishing Corporation
2017
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my.upm.eprints.621022019-04-05T05:49:40Z http://psasir.upm.edu.my/id/eprint/62102/ Impact of physical activity on cognitive decline, dementia and its subtypes: meta-analysis of prospective studies Guure, Chris Bambey Ibrahim, Noor Akma Adam, Mohd Bakri Md Said, Salmiah The association of physical activity with dementia and its subtypes has remained controversial in the literature and has continued to be a subject of debate among researchers. A systematic review and meta-analysis of longitudinal studies on the relationship between physical activity and the risk of cognitive decline, all-cause dementia, Alzheimer’s disease, and vascular dementia among nondemented subjects are considered. A comprehensive literature search in all available databases was conducted up until April 2016. Well-defined inclusion and exclusion criteria were developed with focus on prospective studies ≥ 12 months. The overall sample from all studies is 117410 with the highest follow-up of 28 years. The analyses are performed with both Bayesian parametric and nonparametric models. Our analysis reveals a protective effect for high physical activity on all-cause dementia, odds ratio of 0.79, 95% CI (0.69, 0.88), a higher and better protective effect for Alzheimer’s disease, odds ratio of 0.62, 95% CI (0.49, 0.75), cognitive decline odds ratio of 0.67, 95% CI (0.55, 0.78), and a nonprotective effect for vascular dementia of 0.92, 95% CI (0.62, 1.30). Our findings suggest that physical activity is more protective against Alzheimer’s disease than it is for all-cause dementia, vascular dementia, and cognitive decline. Hindawi Publishing Corporation 2017 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/62102/1/9016924.pdf Guure, Chris Bambey and Ibrahim, Noor Akma and Adam, Mohd Bakri and Md Said, Salmiah (2017) Impact of physical activity on cognitive decline, dementia and its subtypes: meta-analysis of prospective studies. BioMed Research International, 2017. art. no. 9016924. pp. 1-13. ISSN 2314-6133; ESSN: 2314-6141 https://www.hindawi.com/journals/bmri/2017/9016924/ 10.1155/2017/9016924 |
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The association of physical activity with dementia and its subtypes has remained controversial in the literature and has continued to be a subject of debate among researchers. A systematic review and meta-analysis of longitudinal studies on the relationship between physical activity and the risk of cognitive decline, all-cause dementia, Alzheimer’s disease, and vascular dementia among nondemented subjects are considered. A comprehensive literature search in all available databases was conducted up until April 2016. Well-defined inclusion and exclusion criteria were developed with focus on prospective studies ≥ 12 months. The overall sample from all studies is 117410 with the highest follow-up of 28 years. The analyses are performed with both Bayesian parametric and nonparametric models. Our analysis reveals a protective effect for high physical activity on all-cause dementia, odds ratio of 0.79, 95% CI (0.69, 0.88), a higher and better protective effect for Alzheimer’s disease, odds ratio of 0.62, 95% CI (0.49, 0.75), cognitive decline odds ratio of 0.67, 95% CI (0.55, 0.78), and a nonprotective effect for vascular dementia of 0.92, 95% CI (0.62, 1.30). Our findings suggest that physical activity is more protective against Alzheimer’s disease than it is for all-cause dementia, vascular dementia, and cognitive decline. |
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Article |
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Guure, Chris Bambey Ibrahim, Noor Akma Adam, Mohd Bakri Md Said, Salmiah |
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Guure, Chris Bambey Ibrahim, Noor Akma Adam, Mohd Bakri Md Said, Salmiah Impact of physical activity on cognitive decline, dementia and its subtypes: meta-analysis of prospective studies |
author_facet |
Guure, Chris Bambey Ibrahim, Noor Akma Adam, Mohd Bakri Md Said, Salmiah |
author_sort |
Guure, Chris Bambey |
title |
Impact of physical activity on cognitive decline, dementia and its subtypes: meta-analysis of prospective studies |
title_short |
Impact of physical activity on cognitive decline, dementia and its subtypes: meta-analysis of prospective studies |
title_full |
Impact of physical activity on cognitive decline, dementia and its subtypes: meta-analysis of prospective studies |
title_fullStr |
Impact of physical activity on cognitive decline, dementia and its subtypes: meta-analysis of prospective studies |
title_full_unstemmed |
Impact of physical activity on cognitive decline, dementia and its subtypes: meta-analysis of prospective studies |
title_sort |
impact of physical activity on cognitive decline, dementia and its subtypes: meta-analysis of prospective studies |
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Hindawi Publishing Corporation |
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2017 |
url |
http://psasir.upm.edu.my/id/eprint/62102/1/9016924.pdf http://psasir.upm.edu.my/id/eprint/62102/ https://www.hindawi.com/journals/bmri/2017/9016924/ |
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