Understanding the relationship between objective disease severity, psoriatic symptoms, illness-related stress, health-related quality of life and depressive symptoms in patients with psoriasis — a structural equations modeling approach

The aim of this study was to assess associations between objective disease severity, psoriasis symptoms, illness-related stress (IRS), health-related quality of life (HRQL) and depressive symptoms in patients with psoriasis.Cross-sectional study conducted between January and May 2005. Recruitment of 265 adult patients with psoriasis through Internet advertisements. Analysis of the validity of different measurement models and the fit of...