The seven domains included in the preliminary RAID score obtained after the elaboration study,23corresponding instruments (questions/questionnaires) and weights attributed to each domain in the elaboration and in the validation processes
| Domain | Question/questionnaire | Weight: elaboration (%) | Weight: validation (%) |
|---|---|---|---|
| Pain | NRS Pain questions of short form 36 | 21 | 28 |
| Function | NRS HAQ mHAQ | 16 | 19 |
| Fatigue | NRS | 15 | 17 |
| Sleep | NRS MOS sleep disturbance subscale | 12 | 12 |
| Emotional wellbeing | NRS | 12 | 12 |
| Physical wellbeing | NRS | 12 | 12 |
| Coping/self-management | NRS Coping questionnaire | 12 | NA |
HAQ, health assessment questionnaire—20 questions; mHAQ, modified HAQ—eight questions; MOS, medical outcome study subscale—four questions, coping questionnaire: 18 questions derived from a validated coping questionnaire with addition of two numerical rating scale (NRS) coping questions;31RAID, rheumatoid arthritis impact of disease.
In the elaboration process, patients were asked to ‘distribute 100 points’ across seven domains of health; the same question was in the validation process but with only six domains (without coping).