How to report
Self-reported health status (postal survey results)
P.Kind. The EuroQol instrument: An index of health related quality of life. Quality of life and PharmacoEconomics in clinical trials. Second edition, edited by B.Spiker. Lippincott-Raven Publishers. Philadelphia 1996.
Rheumatoid arthritis patients by functional class

N.P Hurst, P.Kind, D.Ruta, M.Hunter and A.Stubbings. measuring health-related quality of life in rheumatoid arthritis: validity, responsiveness and reliablity of EuroQol (EQ-5D) Br J Rheumatol 36 (5), pp.551-9. 1997.
Variation on self-reported heath status, discriminating by age

P. Kind. The EuroQol instrument: An index of health-related quality of life. Quality of life and pharmacoEconomics in clinical trials. Second edition, edited by B.Spiker. Lippincott-Raven Publishers. Philadelphia 1996.
UK population sample by age/sex

P. Kind, G. Hardman and S. Macran. UK Population norms for EQ-5D York Centre for Health Economics Discussion Paper pp. 172. 1999 Nov.
EQ-5D as a self-rated index (using EQ VAS scores). UK population sample by age/ social class.

P. Kind, G. Hardman and S. Macran. UK Population norms for EQ-5D York Centre for Health Economics Discussion Paper pp.172. 1999 Nov.