Changes in Physical Activity, Heart Rate, and Sleep Measured by Activity Trackers During the COVID-19 Pandemic Across 34 Countries: Retrospective Analysis

Published on 04.04.2025 in Vol 27 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/68199, first published October 30, 2024.

; Nicolas Forstmann^{1, 2}

; Nolwenn Badier^{1, 2}

; Anne-Sophie Hamy³

; Quentin De Larochelambert^{1, 2}

; Juliana Antero^{1, 2}

; Arthur Danino³

; Vincent Vercamer⁴

; Paul De Villele⁴

; Benjamin Vittrant⁴

; Thomas Lanz⁵

; Fabien Reyal^{3, 6}

; Jean-François Toussaint^{1, 2, 7}

; Lidia Delrieu^{1, 2, 3}

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