Table 3

 Sex differences as to clinical variables at baseline

Women (n = 446)Men (n = 252)Difference
Mean (SD) n (%)Mean (SD)n (%)p Value
CRP, C reactive protein; DAS28, disease activity score using a 28-joint count; HAQ, Health Assessment Questionnaire; SOFI, Signals Of Functional Impairment.
*Median (25th–75th centile).
Morning stiffness128 (111)121 (143)0.43
Pain47 (24)43 (23)0.027
No activity3 (1)5 (2)
Low activity96 (22)59 (24)
Doctor’s assessmentModerate activity250 (59)133 (55)0.5
High activity73 (17)45 (18)
Maximum activity5 (1)2 (1)
DAS285.37 (1.20)5.09 (1.33)0.005
HAQ score1.11 (0.66)0.83 (0.59)0.001
SOFI8 (6)9 (6)0.11
CRP18 (6–42)*27 (10–54)*0.001