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Pulmonary function and health status of children in two cities of different air quality: a pilot study.

The present study was designed to examine the pulmonary function and health status of selected samples of young children in the two cities of different air qualities. There appears to be an overwhelmingly consistent trend for more respiratory-related symptoms in Grade One children from the Windsor core area than from the London core area. Not only was the trend, without exception, in favor of a greater prevalence for Windsor children, but some of the differences were statistically significant in spite of the small sample size (N = 100). Detailed analysis tends to preclude the size of family and history of respiratory illness in Windsor siblings and parents as the main reason for greater respiratory morbidity in their children.