Ecological momentary assessment of daily patient-reported outcomes and actigraphy-measured physical activity and sleep in patients with rheumatoid arthritis and spondyloarthritis: a study protocol.
Rheumatoid arthritis (RA) and spondyloarthritis (SpA) are chronic inflammatory rheumatic diseases characterised by pain, fatigue, mood disturbances, sleep problems and reduced quality of life. These symptoms are highly variable both between individuals and within individuals acr…