*Kruskal-Wallis Test (comparing median between authors of reference),** Chi-square, Pearson.Characteristics of participants related to referral system.
Introduction: Participant heterogeneity as a part of clinical heterogeneity has been proved to alter the intervention efficacy, however, factors associated with participant heterogeneity in psoriasis
Socio-demographic characteristics of study participants for in-depth interview and focus group discussion in South Gondar Zone, Northwest Ethiopia, 2020.