Importance Self-management is a key element in the care of persistent neck and low back
pain. Individually tailored self-management support delivered via a smartphone app in a
specialist care setting has not been tested. Objective To determine the effect of individually
tailored self-management support delivered via an artificial intelligence–based app
(SELFBACK) adjunct to usual care vs usual care alone or nontailored web-based self-
management support (e-Help) on musculoskeletal health. Design, Setting, and Participants�…