Summary of psychometric properties of the seven NRS questions of the RAID
| Construct validity | Feasibility | Reliability | Responsiveness | |
| Pain-NRS | +++ | +++ | ++ | +++ |
| Function-NRS | +++ | +++ | +++ | +++ |
| Fatigue-NRS | ++ | +++ | +++ | +++ |
| Sleep-NRS | ++ | +++ | +++ | ++ |
| Physical well-being-NRS | ++ | +++ | +++ | +++ |
| Emotional well-being-NRS | ++ | +++ | +++ | +++ |
| Coping-NRS | ++ | +++ | ++ | ++ |
The +signs represent a semi-quantitative assessment of the psychometric properties with +++: good; ++: moderate; --poor.
NRS, numerical rating scale; ;RAID, rheumatoid arthritis impact of disease.