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Table 3 Hierarchical multiple linear regression.

From: A five-year prospective study of fatigue in primary Sjögren's syndrome

  FSS difference FACIT-F difference VAS difference Vitality difference
  Beta P Beta P Beta P Beta P
Age -0.10 0.42 -0.12 0.31 -0.11 0.37 -0.08 0.54
Education 0.04 0.69 -0.07 0.55 0.05 0.68 -0.19 0.08
Gender 0.03 0.79 -0.19 0.08 0.02 0.83 -0.08 0.50
Schirmer -0.06 0.60 -0.10 0.37 0.07 0.55 -0.04 0.74
UWS -0.05 0.65 -0.07 0.54 0.00 0.97 -0.08 0.47
Focus score 0.01 0.90 0.07 0.57 0.05 0.69 0.08 0.48
Anti-SSA -0.11 0.44 -0.06 0.68 -0.02 0.90 0.00 0.99
Anti-SSB -0.17 0.19 0.12 0.36 -0.13 0.34 0.10 0.46
IgG 0.09 0.46 0.00 0.98 -0.07 0.55 -0.09 0.45
Mental health -0.03 0.81 0.03 0.78 0.02 0.86 -0.07 0.52
ANA 0.00 0.98 -0.01 0.93 0.06 0.70 -0.14 0.37
  1. Standardised coefficients (beta) and p-values, one regression model for each fatigue measure. The difference of each fatigue measure is the dependent variable. N = 103 for focus score data among the 122 follow-up patients, other variables had larger samples. The P-values for each model were 0.88, 0.66, 0.96 and 0.82, respectively. ANA, antinuclear antibodies; UWS, unstimulated whole saliva. FSS, VAS, FACIT-F, vitality, see Table 1 legend.