Published on in Vol 10, No 6 (2022): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/37086, first published
.
![Fitbit Use and Activity Levels From Intervention to 2 Years After: Secondary Analysis of a Randomized Controlled Trial Fitbit Use and Activity Levels From Intervention to 2 Years After: Secondary Analysis of a Randomized Controlled Trial](https://asset.jmir.pub/assets/7b24d1bbeabf55681d15bf9b000cd310.png 480w,https://asset.jmir.pub/assets/7b24d1bbeabf55681d15bf9b000cd310.png 960w,https://asset.jmir.pub/assets/7b24d1bbeabf55681d15bf9b000cd310.png 1920w,https://asset.jmir.pub/assets/7b24d1bbeabf55681d15bf9b000cd310.png 2500w)
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