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. 2018 Jan 23;6(1):e15. doi: 10.2196/mhealth.8478

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©Joseph P Salisbury, Neha U Keshav, Anthony D Sossong, Ned T Sahin. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 23.01.2018.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR mhealth and uhealth, is properly cited. The complete bibliographic information, a link to the original publication on http://mhealth.jmir.org/, as well as this copyright and license information must be included.

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Total sway magnitude measured with smartglasses is highly correlated with waist-based accelerometry. (A) Total sway measured from head was more strongly correlated with sway measured from the waist. Geometric mean and 95% CI for waist-based (B) and head-based (C) measurement of total normalized path length (NPL) by condition.