Effect of House Indoor Air Pollution on Children Respiratory System in Lanzhou City
- VernacularTitle:兰州市住宅空气污染对儿童呼吸系统健康的影响
- Author:
Zhen-Quan WANG
;
Sheng LI
;
Xue-Ling WEI
;
Al ET
;
- Publication Type:Journal Article
- Keywords:
Air pollution, indoor;
Children;
Respiratory system;
Logistic models
- From:
Journal of Environment and Health
2007;0(10):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the adverse effect of house indoor air pollution on children respiratory system health in Lanzhou city.Methods A retrospective questionnaire investigation on 1 700 children respiratory health was carried out in three kindergartens,three elementary schools involving lower grade pupils in three districts in Lanzhou city.At the same time,the information about the home environment of the children and family background was collected.Applying logistic regression model, the influencing factors were analyzed.Results The over-standard rates of indoor air quality were from 12.4% to 43.8% in Lanzhou.In the non-heating period,the over-standard rates of formaldehyde,benzene,SO_2,NO_2,CO and PM10 in indoor air were 22.6%,14.5%,13.3%,12.4%,0% and 23.3% respectively.In the heating period,the over-standard rates of the pollutants were 27.3%,16.4%,34.6%,28.5%,32.3% and 43.8% respectively.Indoor air pollution was statistically associated with children respiratory symptoms and diseases,the related risk factors were someone smoking in home,house decorated,opening windows, ventilation,heating in winter,sharing bedroom and maternal education.The outdoor air pollution was one of the influencing factors. Conclusion Children respiratory diseases and symptoms are related to many air pollution factors,such as outdoor and indoor air pollution,personal characteristic and family factors,so to prevent and control indoor air pollution,a comprehensive way should be taken in Lanzhou city.