Fig. 3From: Change in the prevalence asthma, rhinitis and respiratory symptom over a 20 year period: associations to year of birth, life style and sleep related symptomsThe prevalence of self-reported asthma and allergic rhinitis in relation to mean age at the three surveys for participants born 1945–1955 (blue), 1956–1965 (red) and 1966–1975 (green), respectivelyBack to article page