Fig. 4

Patients with longer disease duration are more satisfied with their treatment. a Differences between patients with a disease duration shorter or longer than 10 years regarding knowledge, therapy adherence, therapy satisfaction, self-expertise about the disease and self-expertise about therapy. b-h Comparison of the intervention and the control group after stratification according to disease duration (< 10 or ≥ 10 years) in terms of (b) Dermatology Life Quality Index, c Body Surface Area, d knowledge about psoriasis, e therapy adherence, f therapy satisfaction, g self-expertise about the disease, h self-expertise about therapy. * p ≤ 0.05, ** p ≤ 0.01, *** p ≤ 0.001. a: age; dd: disease duration. Bars: Means with standard error of the means