Published on in Vol 6, No 4 (2022): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/34662, first published
.
![A Personalized Smartphone-Delivered Just-in-time Adaptive Intervention (JitaBug) to Increase Physical Activity in Older Adults: Mixed Methods Feasibility Study A Personalized Smartphone-Delivered Just-in-time Adaptive Intervention (JitaBug) to Increase Physical Activity in Older Adults: Mixed Methods Feasibility Study](https://asset.jmir.pub/assets/aa28d9760ff6930c25b48caf88a0c295.png 480w,https://asset.jmir.pub/assets/aa28d9760ff6930c25b48caf88a0c295.png 960w,https://asset.jmir.pub/assets/aa28d9760ff6930c25b48caf88a0c295.png 1920w,https://asset.jmir.pub/assets/aa28d9760ff6930c25b48caf88a0c295.png 2500w)
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