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. 2015 Mar 27;12:42. doi: 10.1186/s12966-015-0201-9

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© Ferguson et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Scatter-plot of Pearson’s r against the median absolute difference (MAD) as a % of the mean of the relevant reference device. Note: r = Pearson correlation; MAD = median absolute difference; TDEE = total daily energy expenditure; MVPA = moderate to vigorous physical activity; UP = Jawbone UP; One = Fitbit One; Zip = Fitbit Zip; Shine = Misfit Shine; Pulse = Withings Pulse; Fuelband = Nike Fuelband; Striiv = Striiv Smart Pedometer.