Linear mixed models were used for analyses. The following possible confounders were incorporated in the models: CDLQI and PASI scores at the start of treatment, age, psoriasis duration, sex, treatment, and treatment duration. Only the starting CDLQI domain score, treatment, and psoriasis duration altered the unadjusted exposure outcome effect by 10% or higher and were kept in the models. Results are presented with a psoriasis duration of 3.7 years and the following starting CDLQI domain scores (with higher scores indicating a greater influence on quality of life): symptoms and feelings, 2.5 (score range, 0-6); leisure, 1.6 (score range, 0-9); school or holidays, 0.9 (score range, 0-3); personal relationships, 0.9 (score range, 0-6); sleep, 1.0 (score range, 0-3); and treatment, 1.2 (score range, 0-3). The number of treatment episodes for PASI response categories are 0 to <50, 149; 50 to <75, 108; 75 to <90, 70; and ≥90, 72. Horizontal bars and whiskers represent 95% CIs. NS indicates not significant.