Table 3.

Factors associated with severity of fatigue in the linear regression analysis

Factors	RC	95% CI	P	R2
Montreal classification	0.083	− 0.087 to 0.450	0.183	31.2
Disease activity	0.240	0.193 to 0.674	< 0.001
Nutritional risk	0.084	− 0.059 to 0.277	0.203
Anemia	0.071	− 0.211 to 0.774	0.260
Anxiety	0.181	0.000 to 0.151	0.049
Depression	0.102	− 0.032 to 0.114	0.268
Sleep disturbance	0.083	− 0.021 to 0.091	0.225

RC indicates standardized regression coefficient, CI indicates confidence interval, R² coefficient of determination