1. Functional mobility and 10-year all-cause and cause-specific mortality in older people from São Paulo, Brazil.
- Author
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Nascimento, Carla Ferreira do, Roman Lay, Alejandra Andrea, Duarte, Yeda Aparecida Oliveira, and Chiavegatto Filho, Alexandre Dias Porto
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CAUSES of death , *COGNITION disorders , *WALKING speed , *EXERCISE tests , *CONFIDENCE intervals , *GERIATRIC assessment , *RISK assessment , *PHYSICAL mobility , *DESCRIPTIVE statistics , *COMORBIDITY , *LONGITUDINAL method , *PROPORTIONAL hazards models ,MORTALITY risk factors - Abstract
• The chair stand test was a better predictor of mortality than gait speed. • Those with poorer mobility are at increased risk of dying from cardiovascular causes. • Cognitive impairment increased the risk of dying among those with worse mobility. • Multimorbidity also increased the risk of dying among those with worse mobility. • Worst performance in the tests was marginally associated with mortality by neoplasms. A better understanding of performance in functional mobility tasks related to the mortality patterns for the different causes of death for the Brazilian older population is still a challenge. To analyze if gait speed and chair stand test performance are associated with mortality in older adults, and if the overall mobility status changes the effect of other mortality risk factors. The data were from SABE (Health, Well-being and Aging Study), a multiple-cohort study conducted in São Paulo, Brazil, with a representative sample of people aged 60 and more. Cox regression models were used to analyze 10-year all-cause and cause-specific mortality with consideration for gait speed and the chair stand test. Of the 1411 participants, 26% died during the follow-up. The performance in the chair stand test had a more consistent association with mortality (hazard ratio (HR)=1.03, 95%CI: 1.00, 1.05) than gait speed. Being unable to perform the test also increased the risk to die by all-cause (HR=1.71, 95%CI: 1.21, 2.42) and by diseases of the circulatory system (HR=2.14, 95%CI: 1.25, 3.65). The stratified analysis of mobility performance changed the effects of some of the mortality risk factors, such as cognitive impairment and multimorbidity. The chair stand test could be a better choice than 3-meters walking test as a mortality predictor. In addition, the impact of cognitive decline and multimorbidity were greater among those with reduced mobility, supporting the development of preventive interventions and public policies targeted at more vulnerable groups of older adults. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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