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Table 2 Summary of measures to be collected

From: Effectiveness and cost-effectiveness of a blended exercise intervention for patients with hip and/or knee osteoarthritis: study protocol of a randomized controlled trial

Primary outcome measures Data collection instrument Collection points
Physical functioning HOOS and/or KOOS 0, 3, 12 months
  Timed “Up & Go” test 0, 3 months,
Physical activity SQUASH 0, 3, 12 months
  ActiGraph GT3X tri-axial accelerometers 0, 3, 12 months
Secondary outcome measures
OA related costs Cost questionnaire 3, 6, 9, 12 months
Health related quality of life EQ-5D 0, 3, 12 months
Self-perceived effect 7-point Likert scale 3, 12 months
Pain NRS 0, 3, 12 months
Tiredness NRS 0, 3, 12 months
Self-efficacy Arthritis self-efficacy Scale 0, 3, 12 months
Other measures
Age Questionnaire 0 months
Sex Questionnaire 0 months
Height Questionnaire 0 months
Weight Questionnaire 0, 3, 12 months
Educational level Questionnaire 0 months
Location of OA Questionnaire 0 months
Disease duration Questionnaire 0 months
Presence of comorbidities Questionnaire 0 months
Adherence Completed web-modules During intervention