Table 6: Correlations between depression, pain, and psychosocial values.

Pseudo AICcCoefficientOdds ratio (95% CI) value

Rheumatoid arthritis()
Pain score, median60.411527.310.1141.12 (1.08–1.16)<0.001
PSQI, mean ± SD8.09 ± 4.290.442523.540.0651.07 (1.05–1.09)<0.001
Relationship Assessment Scale, mean ± SD28.74 ± 9.540.989328.73−0.0410.96 (0.95–0.97)<0.001
Fatigue Severity Scale, mean ± SD4.19 ± 1.570.627491.360.2611.30 (1.22–1.38)<0.001
Lupus (SLE)()
Pain score, median50.328440.460.0781.08 (1.05–1.11)<0.001
PSQI, mean ± SD8.99 ± 2.970.081463.290.0371.04 (1.01–1.07)0.012
Relationship Assessment Scale, mean ± SD25.45 ± 4.190.818370.670.0141.01 (0.99–1.04)0.252
Fatigue Severity Scale, mean ± SD4.26 ± 1.380.551410.990.2681.31 (1.22–1.41)<0.001
Depressive disorder()
Pain score, median5.50.600185.100.1321.14 (1.09–1.20)<0.001
PSQI, mean ± SD8.48 ± 2.610.782173.460.0671.07 (1.02–1.12)0.008
Relationship Assessment Scale, mean ± SD22.52 ± 7.210.983129.170.0121.01 (0.99–1.03)0.250
Fatigue Severity Scale, mean ± SD3.83 ± 1.490.876158.170.2161.24 (1.13–1.36)<0.001
Healthy controls()
Pain score, median00.331112.07−17.8100 (0–0)0.993
PSQI, mean ± SD5.18 ± 2.360.136117.700.0791.08 (0.99–1.18)0.072
Relationship Assessment Scale, mean ± SD28.06 ± 4.460.91781.43−0.0660.94 (0.89–0.98)0.009
Fatigue Severity Scale, mean ± SD2.78 ± 1.050.311112.710.2911.39 (1.10–1.65)0.005