Table 4.

Multivariable analysis of associations with significant fatigue

Parameters	Univariate analysis		Multivariate analysis
	OR (95% CI)	P value	OR (95% CI)	P value
Female	2.10 (0.69 to 6.43)	0.26	–	–
Self-reported active SLE	4.55 (2.63 to 7.89)	<0.0001*	2.26 (1.17 to 4.40)	0.02*
Clinically significant pain	5.68 (3.26 to 9.90)	<0.0001*	2.83 (1.44 to 5.54)	0.002*
Positive score FiRST	4.87 (2.67 to 8.85)	<0.0001*	2.50 (1.26 to 4.96)	0.008*
Clinical anxiety	2.24 (1.27 to 3.96)	0.006*	0.94 (0.46 to 1.93)	0.88
Clinical depression	4.14 (1.75 to 9.80)	0.0003*	1.92 (0.74 to 4.99)	0.18
Clinical insomnia	4.46 (2.45 to 8.11)	<0.0001*	3.31 (1.73 to 4.34)	0.0003*
High level of stress	3.71 (2.15 to 6.41)	<0.0001*	1.97 (1.01 to 3.83)	0.045*
Low level of physical activity	1.42 (0.81 to 2.48)	0.27	–	–

*P value<0.05; R² for multivariable model: 0.23.

FiRST, Fibromyalgia Rapid Screening Tool; SLE, systemic lupus erythematosus.