Environmental factors in glue ear.
A survey of school children suffering from chronic secretory otitis media over an eight-year period compares the incidence in a city area and country area and various areas within the city. A factor in the causation of the condition appears to be poor living conditions and air pollution. An increase in the incidence occurred in both areas following a winter in which there was an exceptional incidence of influenza.
D000293:Adolescent; D000397:Air Pollution; D002648:Child; D002675:Child, Preschool; D004777:Environment; D006798:Housing; D006801:Humans; D007361:Intelligence Tests; D010033:Otitis Media / Q000453:epidemiology / Q000209:etiology*; D012572:School Health Services; D012959:Socioeconomic Factors; D014507:Urbanization