Table 2 Cross-sectional associations between baseline clinical variables and baseline MDHAQ pain, adjusted for age and gender, among 157 RA patients in remission at baseline and 1 year
Variable | Mean MDHAQ Pain (95% CI) | P |
|---|---|---|
Disease duration | Â | 0.44 |
≤3 years | 1.4 (0.8, 2.0) |  |
4-11 years | 1.8 (1.2, 2.4) | Â |
≥12 years | 1.7 (1.0, 2.4) |  |
Rheumatoid factor/cyclic citrullinated peptide status | Â | 0.59 |
Seropositive | 1.5 (0.9, 2.1) | Â |
Seronegative | 1.7 (1.2, 2.2) | Â |
Tender-joint count | Â | 0.79 |
0 | 1.6 (1.1, 2.1) | Â |
1 | 1.5 (0.6, 2.4) | Â |
≥2 | 1.8 (0.8, 2.9) |  |
Swollen-joint count | Â | 0.92 |
0 | 1.6 (1.1, 2.1) | Â |
1 | 1.2 (0.0, 2.3) | Â |
≥2 | 1.7 (1.1, 2.4) |  |
C-reactive protein | Â | 0.28 |
<0.7 mg/L | 1.5 (0.9, 2.1) | Â |
0.7-2.0 mg/L | 1.5 (0.9, 2.1) | Â |
≥2.1 mg/L | 1.9 (1.3, 2.5) |  |
Patient global health assessment | Â | <0.0001 |
<5 | 0.6 (0.1, 1.1) | Â |
5-14 | 1.4 (0.8, 1.9) | Â |
≥15 | 2.9 (2.4, 3.4) |  |
Sharp score | Â | 0.24 |
≤1 | 1.8 (1.1, 2.4) |  |
2-17 | 1.9 (1.2, 2.7) | Â |
≥18 | 1.2 (0.5, 2.0) |  |
MDHAQ Function Scale | Â | <0.0001 |
0 | 0.6 (0.1, 1.2) | Â |
0.1-0.9 | 1.4 (0.9, 2.0) | Â |
≥1.0 | 2.9 (2.3, 3.4) |  |
Mental Health Index 5 | Â | 0.004 |
≤70 | 2.2 (1.6, 2.8) |  |
71-80 | 1.7 (1.1, 2.4) | Â |
>80 | 1.1 (0.6, 1.7) | Â |
MDHAQ Fatigue Scale | Â | <0.0001 |
<1.0 | 0.9 (0.3, 1.4) | Â |
1.0-3.9 | 1.2 (0.7, 1.8) | Â |
≥4.0 | 2.9 (2.3, 3.4) |  |
MDHAQ Sleep Problems Score | Â | 0.0005 |
0 | 1.2 (0.7, 1.7) | Â |
1 | 2.1 (1.5, 2.7) | Â |
≥2 | 2.7 (1.6, 3.8) |  |
Arthritis Self-Efficacy Score | Â | 0.0005 |
<78 | 2.1 (1.6, 2.7) | Â |
78-87 | 1.9 (1.3, 2.5) | Â |
≥88 | 0.9 (0.3, 1.4) |  |
Modified Charlson Index | Â | 0.91 |
≤1 | 1.6 (1.2, 2.1) |  |
>1 | 1.6 (1.0, 2.2) | Â |