Relation between Nitrogen Dioxide Concentration in Scholar Zone of One Junior School along Two Heavily Traffic Road and the Results of Pulmonary Function Test for School Children in Scholar Zone

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The relationship was surveyed between NO2 concentration in the scholar zone of Seido junior school along the heavily traffic road (Road Number-43 and Hanshin Highway Road) and the results of pulmonary function test for school children in scholar zone. The pulmonary functions of 6th-grade school children (352 samples) were measured by an autospirometer. The school boys and girls were classified into the following four groups in inhabit area respectively (Road-50m (lst-area)-100 m (2 nd)-300 m (3rd)-(4th), and Yamate-junior school as Refference (5th)) by twice investigated results of relation between NO2concentration in scholar zone and the distance from R-43, and etc. (1) Deviation was not found out between the forced-volume capacity (FVC) for investigated school and reference school children. (2) For school children living in one (lst-4th) area, the estimated value of FVC is shown as a function of the body height, body weight and NO2 concentration in the area where the child is lived in for more than 3 years, as follow. X: body height (cm), Y: body weight (kg), U: NO2 concentration (μg/5ml) Boy; FVC (X, Y, U) = (0.0315*X + 0.0229* Y-2.850)*(1.1180-0.0670* U) (1) Girl; FVC (X, Y, U) = (0. 0226*X-1-0.0226 Y-3.078)*(1.0809-0.0443* U) (1)
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