Published on in Vol 23, No 4 (2021): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/26699, first published
.
![Long-term Effectiveness of mHealth Physical Activity Interventions: Systematic Review and Meta-analysis of Randomized Controlled Trials Long-term Effectiveness of mHealth Physical Activity Interventions: Systematic Review and Meta-analysis of Randomized Controlled Trials](https://asset.jmir.pub/assets/d164c9b33e9da56c61e99e388b65f42c.png 480w,https://asset.jmir.pub/assets/d164c9b33e9da56c61e99e388b65f42c.png 960w,https://asset.jmir.pub/assets/d164c9b33e9da56c61e99e388b65f42c.png 1920w,https://asset.jmir.pub/assets/d164c9b33e9da56c61e99e388b65f42c.png 2500w)
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