Published on in Vol 7, No 10 (2019): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11603, first published
.
![Factors Influencing Exercise Engagement When Using Activity Trackers: Nonrandomized Pilot Study Factors Influencing Exercise Engagement When Using Activity Trackers: Nonrandomized Pilot Study](https://asset.jmir.pub/assets/8718b12b2eb0d5ab6341102cd8069eb0.png 480w,https://asset.jmir.pub/assets/8718b12b2eb0d5ab6341102cd8069eb0.png 960w,https://asset.jmir.pub/assets/8718b12b2eb0d5ab6341102cd8069eb0.png 1920w,https://asset.jmir.pub/assets/8718b12b2eb0d5ab6341102cd8069eb0.png 2500w)
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