Prevalence and early‐life risk factors of school‐age allergic multimorbidity: The EuroPrevall‐iFAAM birth cohort

Coexistence of childhood asthma, eczema and allergic rhinitis is higher than can be expected by chance, suggesting a common mechanism. Data on allergic multimorbidity from a pan-European, population-based birth cohort study have been lacking. This study compares the prevalence and early-life risk factors of these diseases in European primary school children.In the prospective multicentre observational EuroPrevall-iFAAM birth cohort study, we...