Prognostic factors for change in self-reported anxiety and depression in spondyloarthritis patients : data from the population-based SpAScania cohort from southern Sweden
Objectives: Anxiety and depression symptoms are more common in patients with spondyloarthritis (SpA) than in the general population. This study describes prognostic factors for change in self-reported anxiety and depression over 2 years in a well-defined SpA cohort. Method: In 2009, 3716 adult patients from the SpAScania cohort received a postal questionnaire to assess quality of life (QoL) and ph