Journal
SENSORS
Volume 18, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/s18103409
Keywords
wearable; user experience; older users
Funding
- CONICYT/FONDECYT [1181162]
- CONICYT-PCHA/Doctorado Becas Chile [2018-21180784]
- CONICYT-PCHA/Doctorado Nacional [2014-63140077]
- CONICIT
- MICIT Costa Rica PhD scholarship
- Universidad de Costa Rica
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Monitoring the posture of older persons using portable sensors while they carry out daily activities can facilitate the process of generating indicators with which to evaluate their health and quality of life. The majority of current research into such sensors focuses primarily on their functionality and accuracy, and minimal effort is dedicated to understanding the experience of older persons who interact with the devices. This study proposes a wearable device to identify the bodily postures of older persons, while also looking into the perceptions of the users. For the purposes of this study, thirty independent and semi-independent older persons undertook eight different types of physical activity, including: walking, raising arms, lowering arms, leaning forward, sitting, sitting upright, transitioning from standing to sitting, and transitioning from sitting to standing. The data was classified offline, achieving an accuracy of 93.5%, while overall device user perception was positive. Participants rated the usability of the device, in addition to their overall user experience, highly.
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