【摘要】 在我国四个城市选择了10～15岁的小学生,观察了儿童的活动模式以及燃煤所造成的室内污染对儿童呼吸系统疾病的影响。对750名儿童活动的时间分配调查表明,儿童每天在室内度过的时间约占81％（冬季）和75％（夏季）。生活于燃煤家庭的儿童对RP、SO₂和CO的个体时间加权平均接触水平高于燃气家庭。同样,某些呼吸系统疾病患病率也是前者高于后者。更多还原

【Abstract】 Schoolchildren in age of 10-15 years were selected in 4 cities in China. The activity patten and respiratory illness in children were investigated. The time distribution in 750 children showed that they spent about 81% (winter) and 75% (summer) of their time indoors. The time weighted average exposure of RP, SO2 and CO in children in homes with coal stoves was much higher than those in homes with gas ( or LPG) stoves. Also, the prevalence of respiratory illness in children living in homes with coal stoves Was increased, compared with children living in homes with gas cooking.更多还原