Published on in Vol 11 (2023)
![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)
1 Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Trondheim, Norway
2 Department of Physical Medicine and Rehabilitation, Trondheim University Hospital, Trondheim, Norway
3 Unicare Helsefort Rehabilitation Center, Rissa, Norway
4 Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway
5 Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
6 Clinic of Anaesthesia and Intensive Care, Trondheim University Hospital, Trondheim, Norway
*these authors contributed equally