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Complexity of Daily Physical Activity Is More Sensitive Than Conventional Metrics to Assess Functional Change in Younger Older Adults

Complexity of Daily Physical Activity Is More Sensitive Than Conventional Metrics to Assess Functional Change in Younger Older Adults

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ZHANG, Wei, Michael SCHWENK, Sabato MELLONE, Anisoara PARASCHIV-IONESCU, Beatrix VEREIJKEN, Mirjam PIJNAPPELS, A. Stefanie MIKOLAIZAK, Elisabeth BOULTON, Nini H. JONKMAN, Andrea B. MAIER, 2018. Complexity of Daily Physical Activity Is More Sensitive Than Conventional Metrics to Assess Functional Change in Younger Older Adults. In: Sensors. MDPI. 18(7), 2032. eISSN 1424-8220. Available under: doi: 10.3390/s18072032

@article{Zhang2018-06-25Compl-54729, title={Complexity of Daily Physical Activity Is More Sensitive Than Conventional Metrics to Assess Functional Change in Younger Older Adults}, year={2018}, doi={10.3390/s18072032}, number={7}, volume={18}, journal={Sensors}, author={Zhang, Wei and Schwenk, Michael and Mellone, Sabato and Paraschiv-Ionescu, Anisoara and Vereijken, Beatrix and Pijnappels, Mirjam and Mikolaizak, A. Stefanie and Boulton, Elisabeth and Jonkman, Nini H. and Maier, Andrea B.}, note={Article Number: 2032} }

Mikolaizak, A. Stefanie 2021-08-25T14:52:08Z Vereijken, Beatrix The emerging mHealth applications, incorporating wearable sensors, enables continuous monitoring of physical activity (PA). This study aimed at analyzing the relevance of a multivariate complexity metric in assessment of functional change in younger older adults. Thirty individuals (60⁻70 years old) participated in a 4-week home-based exercise intervention. The Community Balance and Mobility Scale (CBMS) was used for clinical assessment of the participants’ functional balance and mobility performance pre- and post- intervention. Accelerometers worn on the low back were used to register PA of one week before and in the third week of the intervention. Changes in conventional univariate PA metrics (percentage of walking and sedentary time, step counts, mean cadence) and complexity were compared to the change as measured by the CBMS. Statistical analyses (21 participants) showed significant rank correlation between the change as measured by complexity and CBMS (ρ = 0.47, p = 0.03). Smoothing the activity output improved the correlation (ρ = 0.58, p = 0.01). In contrast, change in univariate PA metrics did not show correlations. These findings demonstrate the high potential of the complexity metric being useful and more sensitive than conventional PA metrics for assessing functional changes in younger older adults. Mikolaizak, A. Stefanie Paraschiv-Ionescu, Anisoara Boulton, Elisabeth Boulton, Elisabeth Jonkman, Nini H. Vereijken, Beatrix eng Maier, Andrea B. Maier, Andrea B. Mellone, Sabato Pijnappels, Mirjam Paraschiv-Ionescu, Anisoara Zhang, Wei Pijnappels, Mirjam 2018-06-25 Complexity of Daily Physical Activity Is More Sensitive Than Conventional Metrics to Assess Functional Change in Younger Older Adults 2021-08-25T14:52:08Z Zhang, Wei Mellone, Sabato Schwenk, Michael Attribution 4.0 International Jonkman, Nini H. Schwenk, Michael

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