Assessing Central Aspects of Pain

Inclusion Criteria

• •Adults aged 18 years or over.
• •One for more of the following self-reported diagnoses: fibromyalgia, inflammatory MSK condition (e.g., rheumatoid arthritis, psoriatic arthritis, axial spondyloarthritis), low back pain, osteoarthritis.
• •MSK diagnosis and pain onset more than 3 months prior to baseline
• •Self-reported pain levels ≥ 3 on a 0 to 10 numerical rating scale where 0 = 'no pain' and 10 = 'worst pain imaginable' on most days in the 3 months before baseline.
• •Ability to give informed consent.