Published on in Vol 11 (2023)
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/40422, first published
.
![The Role of Pain Duration and Pain Intensity on the Effectiveness of App-Delivered Self-Management for Low Back Pain (selfBACK): Secondary Analysis of a Randomized Controlled Trial The Role of Pain Duration and Pain Intensity on the Effectiveness of App-Delivered Self-Management for Low Back Pain (selfBACK): Secondary Analysis of a Randomized Controlled Trial](https://asset.jmir.pub/assets/912d384bc6534b1119ac5f234e40bb35.png 480w,https://asset.jmir.pub/assets/912d384bc6534b1119ac5f234e40bb35.png 960w,https://asset.jmir.pub/assets/912d384bc6534b1119ac5f234e40bb35.png 1920w,https://asset.jmir.pub/assets/912d384bc6534b1119ac5f234e40bb35.png 2500w)
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