Table 5

Summary of psychometric properties of the seven NRS questions of the RAID

Construct validityFeasibilityReliabilityResponsiveness
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.