SmaRTWork - a Decision Support System to Promote Return to Work Among People Sick-listed With Musculoskeletal Disorders

Inclusion Criteria: * Individuals 20-59 years old (working age) * Living in Norway * Sick-listed due to a musculoskeletal disorder for up to 12 weeks * Musculoskeletal complaints are the main reason for sick leave. * The main diagnosis for sick leave is unspecific pain, for example one of the following (ICPC-2 diagnoses codes): * Neck symptom/complaint (L01) * Back symptom/complaint (L02) * Low back symptom/complaint (L03) * Muscle pain (L18) * Back syndrome without radiating pain (L84) Exclusion Criteria: * Do not have a smartphone with internet access (i.e., to be able to download and access the SmaRTWork app). * Pregnant * No employer (unemployed or self-employed) * Poor Norwegian comprehension * Sick listed for more than 3 months the last year * Have a planned date for RTW during the next week * Have previously participated in the study or currently participating in other studies * Unable to take part in exercise/physical activity (e.g., use of walking aids, unable to get up and down on the floor independently) * Leg pain worse than back pain * Red flags that could indicate serious underlying pathology: * Changes in bladder or bowel function * General feeling of being unwell (malaise), fever and/or unexplained weight loss * Reduced muscle (motor) function, sensory loss, walking problems or balance problems * Neck or back pain that started after the age of 55 or feel different from previous pain episodes * Pain that does not improve with rest or light activit…