Table 2 Participant Questionnaire Content
Visits | Baseline | 2-week | 2-month | 4-month | 6-month |
|---|---|---|---|---|---|
Baseline measures | |||||
 Demographics (date of birth, gender) | ✓ | ✓ | ✓ | ✓ | ✓ |
 Demographics (marital status) | ✓ | ||||
 Hip pain questions: uni/bilateral, duration | ✓ | ||||
 Previous hip injection | ✓ | ||||
 Participant treatment preference and expectations | ✓ | ||||
 Comorbidity | ✓ | ||||
 Self-reported height and weight (BMI) | ✓ | ✓ | |||
 Other musculoskeletal pain (Body manikin) [22] | ✓ | ||||
✓ | |||||
Primary Outcome measure | |||||
 Pain - Numerical Rating Scale score for current pain [20] | ✓ | ✓ | ✓ | ✓ | ✓ |
Secondary outcome measures | |||||
 Function - Western Ontario and McMaster University Arthritis Index (WOMAC v3.1) [32] | ✓ | ✓ | ✓ | ✓ | |
 Participant’ self-reported global impression of change [33] | ✓ | ✓ | ✓ | ✓ | |
 General health (SF-12) [34] | ✓ | ✓ | ✓ | ✓ | |
 Sleep disturbance (Likert type scale, adapted from Dawson et al. [35]) | ✓ | ✓ | ✓ | ✓ | |
 Pain self-efficacy [36] | ✓ | ✓ | ✓ | ✓ | |
 Modified Brief Illness Perceptions Questionnaire [37] | ✓ | ✓ | ✓ | ||
 Satisfaction and experience | ✓ | ✓ | |||
Health Economic Outcomes | |||||
 Health status - EQ5D-5 L [38] | ✓ | ✓ | ✓ | ✓ | ✓ |
 Employment status | ✓ | ✓ | |||
 Performance at work | ✓ | ✓ | ✓ | ||
 Absenteeism from work | ✓ | ✓ | ✓ | ||
 Health care utilisation | ✓ | ✓ | |||
 Participant -incurred costs | ✓ | ✓ | |||
Process Data | |||||
 Other hip injections received | ✓ | ✓ | |||
 Self-reported adverse events | ✓ | ✓ | |||
 Adherence to best current treatment advice | ✓ | ✓ | ✓ | ||