Mobility in Old Age: Capacity Is Not Performance

Giannouli, Eleftheria and Bock, Otmar and Mellone, Sabato and Zijlstra, Wiebren. (2016) Mobility in Old Age: Capacity Is Not Performance. BioMed Research International, 2016. p. 3261567.

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Official URL: https://edoc.unibas.ch/76471/

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Background. Outcomes of laboratory-based tests for mobility are often used to infer about older adults` performance in real life; however, it is unclear whether such association exists. We hypothesized that mobility capacity, as measured in the laboratory, and mobility performance, as measured in real life, would be poorly linked. Methods. The sample consisted of 84 older adults (72.5 ± 5.9 years). Capacity was assessed via the iTUG and standard gait parameters (stride length, stride velocity, and cadence). Performance was assessed in real life over a period of 6.95 ± 1.99 days using smartphone technology to calculate following parameters: active and gait time, number of steps, life-space, mean action-range, and maximum action-range. Correlation analyses and stepwise multiple regression analyses were applied. Results. All laboratory measures demonstrated significant associations with the real-life measures (between `i µ`i±� = .229 and `i µ`i±� = .461). The multiple regression analyses indicated that the laboratory measures accounted for a significant but very low proportion of variance (between 5% and 21%) in real-life measures. Conclusion. In older adults without mobility impairments, capacity-related measures of mobility bear little significance for predicting real-life performance. Hence, other factors play a role in how older people manage their daily-life mobility. This should be considered for diagnosis and treatment of mobility deficits in older people.
Faculties and Departments:03 Faculty of Medicine
03 Faculty of Medicine > Departement Sport, Bewegung und Gesundheit > Bereich Sport- und Bewegungsmedizin
UniBasel Contributors:Giannouli, Eleftheria
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:04 Nov 2020 16:32
Deposited On:04 Nov 2020 16:32

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