||Correlation Between Asthmatic Symptoms in Children and Air Pollution Levels in Kyoto City (3-8) (Kyoto Shi ni Okeru Taiki Osendo to Shoni Zenshokuyo Shojo to no Kankei (3-8)).
Okazaki., Katsuji ;
||Environmental Protection Agency, Research Triangle Park, N.C. Translation Services Section.
Health surveys ;
Air pollution ;
Respiratory diseases ;
Signs and symptoms ;
Sulfur dioxide ;
Nitrogen dioxide ;
Air pollution effects(Humans) ;
Environmental health ;
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The objective is to elucidate the effects of air pollution on health epidemiologically as it pertains to children. The subjects were all of the first and second grade students in all of the 153 primary schools in Kyoto City (a total of 36,789 pupils). A respiratory symptoms survey sheet was distributed to all of the mothers through the children to obtain written responses. Atmospheric SO2 and NO2 pollution levels were measured at the 153 schools that had been the subject of the school children's health survey. Survey results indicated that the incidence of typical asthma symptoms among the lower grade students in Kyoto City was 6%. This is approximately 0.4 times the incidence among school children in the highly polluted districts of Kitakyushu City. The incidence of typical asthma symptoms in the relatively highly polluted district of the city was approximately 1.4 times that in the districts where the levels of pollution are low. A significant positive correlation was observed between this and the levels of pollution at each school.