Validity and reliability of the Patient Health Questionnaire-8 in Swedish for individuals with systemic sclerosis

ConclusionThe PHQ-8 Swe has satisfactory content validity and sufficient reliability in patients with in majority limited SSc. It is more strongly associated with self-reported disability, pain, disease interferences with daily activities, fatigue, and quality of life than with disease severity, except for a moderate association with lung severity.
Source: Rheumatology International - Category: Rheumatology Source Type: research