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Table 2 Participant Questionnaire Content

From: A randomised controlled trial of the clinical and cost-effectiveness of ultrasound-guided intra-articular corticosteroid and local anaesthetic injections: the hip injection trial (HIT) protocol

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     
 Self-reported height and weight (BMI)    
 Other musculoskeletal pain (Body manikin) [22]     
 Anxiety and Depression – GAD and PHQ8 [23, 24]     
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