Asthma and allergy trajectories in children based on combined parental report and register data
Background: Trajectories of asthma and allergy in children are heterogeneous and commonly derived from parental report of disease or clinical records. This study combined parental-reported and register-based dispensed medication data to characterize childhood trajectories of co-existing asthma, allergic rhinitis, and eczema. Methods: From a Swedish population-based birth cohort (N = 5654), survey