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Table 1 Trial inclusion/exclusion criteria

From: Effectiveness of internet-delivered education and home exercise supported by behaviour change SMS on pain and function for people with knee osteoarthritis: a randomised controlled trial protocol

Inclusion criteriaExclusion criteria
Meet the National Institute for Health and Care Excellence (NICE) osteoarthritis clinical criteria [8]:
 - aged 45 years and over
 - activity related knee joint pain
 - morning stiffness ≤30 min
Booked for knee joint replacement surgery;
History of knee pain on most days for ≥3 monthsHave had a knee joint replacement in the most painful knee
Overall average knee pain in past week self-rated as ≥4 out of 10 on an 11-point numeric rating scale (NRS)Have participated in a structured knee exercise program within the past 6 months
Able to give informed consent and to participate fully in the interventions and assessment proceduresSelf-reported diagnosis of rheumatoid arthritis or other inflammatory arthritis
Have a mobile phone with text message functioning and be willing to use it during the study to receive and send text messagesHave had a fall within the last 12 months and do not receive clearance from a General Practitioner to participate in an unsupervised home exercise program
Have a home Internet connection and a device that enables access to the Internet.Are housebound requiring assistance from another person to leave the house in the previous month and do not receive medical clearance from a General Practitioner to participate in an unsupervised home exercise program
Fail pre-exercise screening [73] and do not receive medical clearance from a General Practitioner to participate in an unsupervised home exercise program
Unable to speak or read English