Table 1 Demographic and disease characteristics of volunteers (median (interquartile range))
MaleFemale
N102276
Age63.5 (13.6)63 (14.8)
Height173.0 (9.8)160.0 (8.0)
Weight83.3 (19.7)70.0 (19.9)
BMI27.6 (5.5)26.7 (7.2)
DAS284.0 (1.8)4.2 (1.9)
HAQ1.2 (1.8)1.6 (1.5)
ESR19.0 (30.0)21.0 (28.0)
CRP10.0 (15.0)8.0 (13.0)
Disease duration9.0 (15.0)10.0 (15.0)
  • BMI, body mass index; CRP, C-reactive protein; DAS28, disease activity score (using 28 joint counts); ESR, erythrocyte sedimentation rate; HAQ, Health Assessment Questionnaire.