Agreement of Step-Based Metrics From ActiGraph and ActivPAL Accelerometers Worn Concurrently Among Older Adults.
Journal for the measurement of physical behaviour(2022)
摘要
Compared with estimates from the AP, the AG underestimated daily step counts by approximately 1,800 steps/day, while the AG overestimated by approximately 5,000 steps/day. However, peak step cadence estimates generated from the AG and AP had high agreement (MAPE ≤ 7.0%). Additional convergent validation studies of step-based metrics from concurrently worn accelerometers are needed for improved understanding of between-device agreement.
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关键词
cadence,gait,physical activity,wearable devices
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