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Title: Counting Steps in Institutionalized Older Adults During Daily Life Activities: the Validation of Two Motion Sensors
Authors: Martien, Sofie ×
Delecluse, Christophe
Seghers, Jan
Boen, Filip #
Issue Date: Jul-2015
Publisher: Human Kinetics Publishers
Series Title: Journal of Aging and Physical Activity vol:23 issue:3 pages:383-90
Abstract: The primary purpose of this study was to assess the validity of two motion sensors in measuring steps in institutionalized older adults during daily life activities. Sixty-eight nursing home residents (85.8 ± 5.6 years) were equipped with a hip-worn and ankle-worn piezoelectric pedometer (New Lifestyles 2000) and with an arm-mounted multisensor (Sensewear Mini). The actual steps were tallied by an investigator with a hand counter. The results revealed that the multisensor and hip- and ankle-worn pedometer significantly underestimated step counts (89.6 ± 17.2%, 72.9 ± 25.8% and 20.8 ± 24.6%, respectively). Walking speed accounted for 41.6% of the variance in percent error of the ankle-worn pedometer. The threshold value for accurate step counting was set at 2.35 km/h, providing percent error scores within ±5%. The ankle-worn piezoelectric pedometer can be useful for accurate quantification of walking steps in the old and old-old walking faster than 2.35km/h.
ISSN: 1063-8652
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Activity, Sports & Health Research Group
× corresponding author
# (joint) last author

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