Sociodemographic, disease, and symptom correlates of fatigue in systemic sclerosis: Evidence from a sample of 659 Canadian Scleroderma Research Group Registry patients

OBJECTIVE: To assess fatigue levels and demographic, socioeconomic, disease, and psychosocial correlates of fatigue in patients with systemic sclerosis (SSc). METHODS: We conducted a cross-sectional, multicenter study of 659 patients with SSc from the Canadian Scleroderma Research Group Registry. Fatigue was assessed during annual Registry visits with the Short Form 36 (SF-36) health survey vitality subscale. Patients completed measures of …