Table 1.
Outcome measures and timing of data collection.
| Measure | Description | Data collection timing |
||||
|---|---|---|---|---|---|---|
| Phase 1 | Phase 2 | Phase2 MDC | Phase3 | Phase 3 MDC | ||
| Primary outcome measures | ||||||
| Health outcome | EQ-5D-5L [52, 53] | ✓ | ✓ | ✓ | ✓ | ✓ |
| Secondary outcome measures | ||||||
| Severity of depression | PHQ-9 [45] | ✓ | ✓ | X | ✓ | X |
| Severity of anxiety | GAD-7 [44] | ✓ | ✓ | X | ✓ | X |
| Pain intensity | Numerical rating scale (0–10) [54] | ✓ | ✓ | X | ✓ | X |
| ‘Bothersomeness’ (of pain) | Single question: 1–5 point scale | ✓ | ✓ | X | ✓ | X |
| Pain interference | Single question: 1–5 point scale | ✓ | ✓ | X | ✓ | X |
| Health perceptions | Single question: 1–5 point scale | ✓ | ✓ | ✓ | ✓ | ✓ |
| Satisfaction of LTC review | GPAQ nurse assessment [55] | ✓ | X | X | X | X |
| Content of LTC review | Topics covered during the review | ✓ | X | X | X | X |
| Healthcare utilization | Healthcare utilization questions | X | X | X | ✓ | X |
| Work performance | Time off work | X | ✓ | X | ✓ | X |
| Demographics | ||||||
| Demographics | Gender, date of birth | ✓ | ✓ | ✓ | ✓ | ✓ |
| Socio-economic status | Recent paid job title | ✓ | ✓ | X | ✓ | X |
| Employment | Current work situation | ✓ | ✓ | X | ✓ | X |
| Health literacy | Questions to assess health literacy [56] | ✓ | X | X | X | X |
EQ-5D-5L, EuroQol 5-dimension, 5-level questionnaire; GAD-7, Generalized Anxiety Disorder 7-item questionnaire; GPAQ, General Practice Assessment Questionnaire; LTC long-term condition; MDC, minimum data collection; PHQ-9, 9-question Patient Health Questionnaire.