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Open AccessArticle

Stronger Association between High Intensity Physical Activity and Cardiometabolic Health with Improved Assessment of the Full Intensity Range Using Accelerometry

1
Center for Health and Performance, Department of Food and Nutrition, and Sport Science, University of Gothenburg, SE-405 30 Gothenburg, Sweden
2
Institute of Neuroscience and Psychology, University of Gothenburg, SE-405 30 Gothenburg, Sweden
3
Department of Medicine and Geriatrics, Sahlgrenska University Hospital/Östra, SE-416 50 Gothenburg, Sweden
4
Åstrand Laboratory of Work Physiology, The Swedish School of Sport and Health Sciences, SE-114 86 Stockholm, Sweden
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(4), 1118; https://doi.org/10.3390/s20041118
Received: 20 January 2020 / Revised: 13 February 2020 / Accepted: 17 February 2020 / Published: 18 February 2020
(This article belongs to the Special Issue Sensors for Gait, Human Movement Analysis, and Health Monitoring)
An improved method of physical activity accelerometer data processing, involving a wider frequency filter than the most commonly used ActiGraph filter, has been shown to better capture variations in physical activity intensity in a lab setting. The aim of the study was to investigate how this improved measure of physical activity affected the relationship with markers of cardiometabolic health. Accelerometer data and markers of cardiometabolic health from 725 adults from two samples, LIV 2013 and SCAPIS pilot, were analyzed. The accelerometer data was processed using both the original ActiGraph method with a low-pass cut-off at 1.6 Hz and the improved method with a low-pass cut-off at 10 Hz. The relationship between the physical activity intensity spectrum and a cardiometabolic health composite score was investigated using partial least squares regression. The strongest association between physical activity and cardiometabolic health was shifted towards higher intensities with the 10 Hz output compared to the ActiGraph method. In addition, the total explained variance was higher with the improved method. The 10 Hz output enables correctly measuring and interpreting high intensity physical activity and shows that physical activity at this intensity is stronger related to cardiometabolic health compared to the most commonly used ActiGraph method. View Full-Text
Keywords: frequency filtering; vigorous physical activity; ActiGraph; multivariate analysis; partial least squares regression; cardiovascular disease; SCAPIS; LIV frequency filtering; vigorous physical activity; ActiGraph; multivariate analysis; partial least squares regression; cardiovascular disease; SCAPIS; LIV
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Fridolfsson, J.; Börjesson, M.; Ekblom-Bak, E.; Ekblom, Ö.; Arvidsson, D. Stronger Association between High Intensity Physical Activity and Cardiometabolic Health with Improved Assessment of the Full Intensity Range Using Accelerometry. Sensors 2020, 20, 1118.

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