期刊
IOT TECHNOLOGIES FOR HEALTH CARE, HEALTHYIOT 2021
卷 432, 期 -, 页码 214-229出版社
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/978-3-030-99197-5_17
关键词
Photoplethysmographic sensor; Wearable device; Health monitoring; Reliability; Metrological characterization; Data variability
Wearable devices are widely used in healthcare, but little research has focused on the impact of wearing conditions on data reliability. This study examines the variability of heart rate and tightening force data collected from a DIY wrist-worn device at three different band tightening levels. The results indicate that the coefficient of variation is lowest when the band is tightened to a medium level.
Wearable devices are currently employed in several application fields, especially in the healthcare context, thanks to the advent of IoT technology in the global market. However, there are few studies focused on the reliability of collected data depending on the best wearing conditions, e.g. the band tightness in the case of wrist-worn devices, necessary to optimise the quality of the measured data. The aim of this study is to evaluate the variability of heart rate (HR) and tightening force data measured with a Do-It-Yourself (DIY) wrist-worn device, considering three different band tightening levels: loose, medium and tight. Results show that the increasing tightening levels produce an increasing tightening force, as expected; interestingly, the coefficient of variation is minimum (i.e., 0.16%) when the band tightening level is medium.
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