Table 2 Concepts measured and tools used for primary and secondary outcomes
Concept measured on day 3 | Tool used |
|---|---|
1. Pain intensity | • Numerical Rating Scale (NRS) [31] |
2. Pain quality | • American pain society outcome questionnaire (APSOQ) (Cronbach α = 0.85) [32] |
3. Pain treatment and management | • Medial record audit |
4. Preference for participation | • Patient Activation Measure (PAM) • Control Preference Scale (CPS) |