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. 2020 Jul 14;6(2):e001216. doi: 10.1136/rmdopen-2020-001216

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© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution 4.0 Unported (CC BY 4.0) license, which permits others to copy, redistribute, remix, transform and build upon this work for any purpose, provided the original work is properly cited, a link to the licence is given, and indication of whether changes were made. See: https://creativecommons.org/licenses/by/4.0/.

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Extraction of hourly data: illustration of valid-wear criteria for one participant.

Indicates valid hour (ie, 60 min of movement data recorded).

Indicates invalid hour (ie, <60 min of movement data recorded).

Inline graphic — Extraction of hourly data: illustration of valid-wear criteria for one participant.

Indicates valid hour (ie, 60 min of movement data recorded).

Indicates invalid hour (ie, <60 min of movement data recorded).