Table 1

Unadjusted analyses and analyses adjusted for age and gender of baseline SF-36 component summaries, norm-based scale scores and SF-6D utility scores

Baseline
Component summary/scale scoreUnadjusted analyses, mean (SD)P valueAdjusted analyses, estimated marginal means (95% CI)P value
General populationRAPsAGeneral populationRAPsA
PCS50.0 (10.1)
(n=2012)
29.7 (9.9)
(n=3898)
30.5 (9.5)
(n=1515)
<0.001*†
0.02‡
49.7
(49.2 to 50.1)
30.5
(30.2 to 30.8)
30.4
(29.9 to 30.9)
<0.001*†
0.69‡
MCS50.0 (10.2)
(n=2012)
46.8 (11.3)
(n=3898)
47.1 (11.4)
(n=1515)
<0.001*†
0.59‡
50.0
(49.5 to 50.5)
47.1
(46.8 to 47.5)
47.1
(46.5 to 47.6)
<0.001*†
0.90‡
SF-6D0.80 (0.14)
(n=2071)
0.60 (0.12)
(n=3787)
0.61 (0.12)
(n=1491)
<0.001*†
0.17‡
0.80 (0.80 to 0.81)0.61
(0.60 to 0.61)
0.60
(0.60 to 0.61)
<0.001*†
0.45‡
Physical functioning49.4 (10.8)
(n=2235)
27.7 (14.5)
(n=3898)
30.5 (13.5)
(n=1515)
<0.001*†‡48.9
(48.3 to 49.4)
29.0
(28.5 to 29.4)
30.2
(29.6 to 30.9)
<0.001*†
0.001‡
Role physical49.6 (10.3)
(n=2207)
32.9 (9.1)
(n=3898)
34.0 (9.9)
(n=1515)
<0.001*†
0.001‡
49.4
(49.0 to 49.8)
33.5
(33.2 to 33.8)
33.9
(33.4 to 34.4)
<0.001*†
0.16‡
Bodily pain49.6 (10.3)
(n=2287)
33.5 (7.5)
(n=3898)
33.6 (7.2)
(n=1515)
<0.001*†
0.96‡
49.4
(49.1 to 49.8)
34.0
(33.7 to 34.2)
33.5
(33.1 to 33.9)
<0.001*†
0.07‡
General health49.6 (10.3)
(n=2183)
37.5 (9.5)
(n=3898)
36.8 (9.7)
(n=1515)
<0.001*†
0.02‡
49.5
(49.0 to 49.9)
37.9
(37.6 to 38.3)
36.7
(36.2 to 37.2)
<0.001*†‡
Vitality49.8 (10.3)
(n=2270)
39.6 (10.1)
(n=3898)
39.3 (10.3)
(n=1515)
<0.001*†
0.69‡
49.9
(49.5 to 50.3)
40.4
(40.1 to 40.8)
39.4
(38.9 to 39.9)
<0.001*†‡
Social functioning49.5 (10.5)
(n=2311)
39.1 (12.6)
(n=3898)
39.5 (12.3)
(n=1515)
<0.001*†
0.59‡
49.4
(48.9 to 49.9)
39.8
(39.4 to 40.2)
39.5
(38.9 to 40.1)
<0.001*†
0.40‡
Role emotional49.8 (10.2)
(n=2182)
40.2 (13.6)
(n=3898)
41.6 (13.6)
(n=1515)
<0.001*†
0.002‡
49.5
(49.0 to 50.0)
40.6
(40.2 to 41.1)
41.5
(40.8 to 42.1)
<0.001*†
0.03‡
Mental health49.8 (10.3)
(n=2255)
44.3 (11.5)
(n=3898)
44.7 (11.1)
(n=1515)
<0.001*†
0.63‡
49.8
(49.4 to 50.3)
44.8
(44.5 to 45.2)
44.7
(44.2 to 45.3)
<0.001*†
0.76‡
  • *General population compared with patients with RA.

  • †General population compared with patients with PsA.

  • ‡RA patients compared with patients with PsA.

  • MCS, Mental Component Summary; PCS, Physical Component Summary; PsA, psoriatic arthritis; RA, rheumatoid arthritis; SF-6D, Short Form-6 dimensions utility score; SF-36, Short Form-36.