Overview of measurement instruments and time of assessment
| Construct | Type | Staff member | Baseline (T1) | 3 months (T2) | 6 months (T3) | 12 months (T4) |
|---|---|---|---|---|---|---|
| Outcome measures | ||||||
| Pain and function | SPADI | Interviewer | X | X | X | X |
| Self-efficacy | PSEQ | Interviewer | X | X | X | X |
| Shoulder problems | ||||||
| Side of shoulder problem (i) right; (ii) left; (iii) both. | Self-reported questionnaire | Interviewer | X | |||
| Shoulder dominance (i) right; (ii) left; (iii) ambidexterity | Self-reported questionnaire | Interviewer | X | |||
| History of previous shoulder problems | Self-reported questionnaire (yes/no) | Interviewer | X | |||
| What modality of treatment? ((i) no treatment; (ii) pharmacological treatment; (iii) injections; (iv) physical therapy; (v) other treatments (massage, reflexology, acupuncture) | Self-reported questionnaire | Interviewer | X | X | X | X |
| Have you been convinced of this pathology? | Self-reported questionnaire (yes/no) | Interviewer | X | X | X | X |
| Potential prognostic factors | ||||||
| Pain-related fear and kinesiophobia | FACS | Interviewer | X | X | X | X |
| Pain catastrophising | PSC | Interviewer | X | X | X | X |
| Active shoulder ROM-free of pain | Manual Inclinometer | Interviewer | X | X | X | X |
| Anxiety and depression | HADS | Interviewer | X | X | X | X |
| Patient expectations of recovery | Self-reported question (0–100) | Interviewer | X | X | X | X |
| Comorbidities | SCQ | Interviewer | X | X | X | X |
| Recurrence of shoulder pain | Self-reported questionnaire (yes/no) | Interviewer | X | |||
| Intensity of pain | NRS | Interviewer | X | X | X | X |
| Work status ((i) unemployment; (ii) sick leave; (iii) retirement; (iv) housewife; (v) active worker) | Self-reported questionnaire | Interviewer | X | X | X | X |
| Work absenteeism | Self-reported questionnaire | Interviewer | X | X | X | X |
| Work performance | Question obtaining of HPQ | Interviewer | X | X | X | X |
| Age, gender | Self-reported questionnaire | Interviewer | X | |||
| Height, weight | Self-reported questionnaire | Interviewer | X | |||
| Educational level: (i) university/college ≥4 years; (ii) university/college 4 years; (iii) upper secondary; (iv) elementary secondary; (v) no studies | Self-reported questionnaire | Interviewer | X | |||
FACS, Fear-avoidance Components Scale; HADS, Hospital Anxiety and Depression Scale; NRS, Numerical Rating Scale; PCS, Pain Catastrophising Scale; PSEQ, Pain Self-Efficacy Questionnaire; SCQ, Self-Administered Comorbidity Questionnaire.