Overview of questionnaire items
| Baseline | 6 weeks | 3 months | 6 months | 9 months | 12 months | |
| Outcome measures | ||||||
| Pain score (WOMAC) | X | X | X | X | X | X |
| Function score (WOMAC) | X | X | X | X | X | X |
| HOOS/KOOS | X | X | X | X | X | X |
| Quality of life (EuroQol-5D-5L) | X | X | X | X | X | |
| Medical costs (iMCQ) | X | X | X | X | X | |
| Productivity cost (iPCQ) | X | X | X | X | X | |
| Cointerventions | X | X | X | X | X | |
| Adverse events | X | X | X | X | X | |
| Compliance | X | X | X | X | X | |
| Patients satisfaction | X | X | X | X | X | |
| Others | ||||||
| Demographic data | X | |||||
| Comorbidities | X | |||||
| Presence of centrally sensitised pain (modified painDETECT) | X | |||||
| Presence of depression or anxiety (HADS) | X | X | X | X | X |
HADS, Hospital and Anxiety Depression Scale; HOOS, Hip disability and Osteoarthritis Outcome Score; iMCQ, iMTA Medical Cost Questionnaire; iPCQ, iMTA Productivity Cost Questionnaire; KOOS, Knee Injury and Osteoarthritis Outcome Score; WOMAC, Western Ontario and McMaster University Osteoarthritis Index.