| |
Healthy control
|
Rheumatoid arthritis
|
Fibromyalgia
|
P value
|
|---|
| |
(N= 26)
|
(N= 23)
|
(N= 60)
| |
|---|
|
Age (years)a
|
42.3 (12.5)
|
56.0 (14.4)
|
48.4 (14.8)
|
0.0047
|
|
Asian
|
26/26 (100)
|
23/23 (100)
|
60/60 (100)
| |
|
Duration of illness (years)
| |
7.4 (6.7)
|
6.4 (7.4)
|
0.31
|
|
Living aloneb
|
5/26 (19)
|
3/23 (13)
|
6/60 (10)
|
0.32
|
|
Unemployedb
|
0/26 (0)
|
3/23 (13)
|
9/60 (15)
|
0.066
|
|
Comorbid disease
| |
14/23 (61)
|
39/60 (65)
|
0.80
|
- Data represent mean (standard deviation) or n/N (%), unless otherwise indicated. aTukey–Kramer multiple comparisons test showed that mean age in the rheumatoid arthritis group was higher than that in the healthy control group (P <0.01). bHealthy control group versus others.
