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Table 1 Eligibility criteria for the feasibility trial

From: Feasibility cluster randomised controlled trial evaluating a theory-driven group-based complex intervention versus usual physiotherapy to support self-management of osteoarthritis and low back pain (SOLAS)

Inclusion criteria
Diagnosis Osteoarthritis
NICE [4] working diagnosis of osteoarthritis of the hip, knee or lumbar spine defined as:
• Age 45 years old or over, and
• Activity related joint pain and
• Either no morning joint-related stiffness or morning stiffness that lasts no longer than 30 min
Non-specific low back pain
Aged ≥ 30 years old with non-specific low back pain of mechanical origin with or without radiation to the lower limb
Symptom duration Chronic (≥ 3 months)
English language Be able to read, understand and speak English without assistance
Contact status Access to a telephone for screening and assessment
Availability Available to attend a 6-week start-stop group class of 1.5 h per week
Exclusion criteria
 Pathology Suspected or confirmed serious spinal pathology (fracture, metastatic, inflammatory or infective diseases of the spine, cauda equina syndrome/widespread neurological disorder)
Nerve root compromise (2 of strength, reflex or sensation affected for same nerve root)
Lower limb arthroplasty
 Past medical history Spinal surgery or history of systemic / inflammatory disease
 Current medical status Scheduled for major surgery during treatment
 Contraindications Unstable angina / uncontrolled cardiac dysrhythmias / severe aortic stenosis / acute systemic infection accompanied by fever
 Other No confounding conditions, such as a neurological disorder, intellectual disorder or unstable psychiatric condition.
Bladder or bowel incontinence
People who are assessed to be at high risk of falls
Physiotherapy in the preceding 6 months
Unable or unwilling to attend
Ongoing litigation related to the pain condition