Other medical conditions present in the study cohort and by the three Sjögren’s disease groups.

SD: Sjögren’s disease total: study cohort; positive, uncertain, negative represent the three SD groups within the study cohort by clinical characteristics. Medical conditions such as pain in joints, hypertension, esophageal reflux, depressive disorder, pain in limb, malaise and fatigue is present in ≥50% SD cohort.