Epidemiology

Internal medicine

Medicine

Atopic dermatitis

Dermatology

Allergy

Background There are gaps in our knowledge of the prevalence of adult atopic dermatitis (AD). Objective To estimate the prevalence of AD in adults and by disease severity. Methods This international, cross‐sectional, web‐based survey was performed in the United States, Canada, France, Germany, Italy, Spain, United Kingdom, and Japan. Adult members of online respondent panels were sent a questionnaire for AD identification and severity assessment; demographic quotas ensured population representativeness for each country. A diagnosis of AD required subjects to be positive on the modified UK Working Party/ISAAC criteria and self‐report of ever having an AD diagnosis by a physician. The proportion of subjects with AD who reported being treated for their condition was determined and also used to estimate prevalence. Severity scales were Patient‐Oriented SCORAD, Patient‐Orientated Eczema Measure, and Patient Global Assessment. Results Among participants by region, the point prevalence of adult AD in the overall/tre...

Epidemiology of atopic dermatitis in adults: Results from an international survey