Table 4. Multivariate logistic analysis of association with disease activity.

	ESSDAI >5		P
	OR	95% CI
Age	1.005	0.959-1.054	0.822
Immunoglobulin A	0.908	0.702-1.173	0.459
Immunoglobulin G	1.057	0.945-1.181	0.331
Erythrocyte sedimentation rate	1.035	1.006-1.064	0.016
Bilirubin	0.852	0.730-0.955	0.043
Anti-Sjogren’s syndrome type B antibody	0.211	0.118-1.604	0.435
ESSDAI: The European League Against Rheumatism Sjögren’s syndrome disease activity index; OR: Odds ratio; CI: Confidence interval.