To test the null hypothesis that there has been no change in the prevalence or severity of childhood asthma over recent years.
Design-Repeated population prevalence survey with questionnaires completed by parents followed by home interviews with parents.
Subjects-All children in one year of state and private primary schools aged 7 1/2, to 8 1/2 years at screening survey.
Main outcome measures-Trends in symptoms, acute severe attacks, and chronic disability.
For 1978 and 1991 respectively, the response rates were 4147/4763 and 3070/3786, and home interviews were obtained from 273/288 and 319/395 parents of currently wheezy children.
Mots-clés Pascal : Appareil respiratoire pathologie, Bronchopneumopathie obstructive, Poumon, Epidémiologie, Enfant, Homme, Poumon pathologie, Asthme, Prévalence
Mots-clés Pascal anglais : Respiratory disease, Obstructive pulmonary disease, Lung, Epidemiology, Child, Human, Lung disease, Asthma, Prevalence
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 94-0522455
Code Inist : 002B11B. Création : 199501.