THE EFFECTS OF AMBIENT NO2 ON LUNG-FUNCTION IN PRIMARY SCHOOLCHILDREN

被引:8
作者
FRISCHER, T
STUDNICKA, M
BEER, E
NEUMANN, M
机构
[1] University Children’s Hospital, D-7800/Freiburg
[2] First internal Department of Medicine, Centre for Pulmonary Diseases, A-1140
关键词
D O I
10.1006/enrs.1993.1103
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The effect of ambient NO2 on lung function was investigated in a sample of 423 schoolchildren. At each of four locations NO2 was monitored continuously. Over a 6-month period from January to June 1990 two surveys were performed and spirometry recorded each time for each child. Linear regression was used to estimate the effect of NO2 for different time intervals preceding lung function testing. A decrease of NO2 between surveys was significantly associated with a higher forced vital capacity (FVC) at the second survey. For each μg/m3 NO2 decrease the model predicted an increase in FVC of 1.5 ml [for the 2-hr mean (P < 0.05)] and 3.1 ml [for the 12-hr mean (P < 0.01)]. We conclude that even at NO2 levels below current air- quality standards children demonstrate significant changes in lung function. © 1993 Academic Press, Inc.
引用
收藏
页码:179 / 188
页数:10
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