Published on in Vol 12 (2024)
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/51478, first published
.
![Effectiveness of mHealth App–Based Interventions for Increasing Physical Activity and Improving Physical Fitness in Children and Adolescents: Systematic Review and Meta-Analysis Effectiveness of mHealth App–Based Interventions for Increasing Physical Activity and Improving Physical Fitness in Children and Adolescents: Systematic Review and Meta-Analysis](https://asset.jmir.pub/assets/022736c006c38f31c3643a10b250f999.png 480w,https://asset.jmir.pub/assets/022736c006c38f31c3643a10b250f999.png 960w,https://asset.jmir.pub/assets/022736c006c38f31c3643a10b250f999.png 1920w,https://asset.jmir.pub/assets/022736c006c38f31c3643a10b250f999.png 2500w)
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