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首页> 美国卫生研究院文献>International Journal of Environmental Research and Public Health >Socioeconomic Status and Route Characteristics in Relation to Children’s Exposure to Air Pollution from Road Traffic While Walking to School in Auckland New Zealand
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Socioeconomic Status and Route Characteristics in Relation to Children’s Exposure to Air Pollution from Road Traffic While Walking to School in Auckland New Zealand

机译：新西兰奥克兰走向学校的儿童风险污染空气污染的社会经济地位与路径特征

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摘要

Pedestrian exposure to traffic-related air pollution depends on many factors; including the nature of the traffic on nearby roads and the route characteristics. In this study, we investigated the effects of differences in vehicle fleet and transport infrastructure on children’s exposure to traffic-related air pollution during their morning walk to school in Auckland, New Zealand. Five pairs of routes to schools—each including a low and a high socioeconomic status (SES) school—were selected and traversed over 7–8 days for each pair while measuring particle number concentration (PNC) and GPS coordinates. At the same time, a sample of 200 license plates of cars from each school’s neighborhood was captured using videos, and the age of each car was extracted using an online database. Both the mean age of the cars and the percentage of old cars (>14 years) were found to be higher in the low SES areas. However, neither measure of vehicle age was associated with a significant difference in exposure to PNC for pedestrians. Route features including narrow footpaths and a higher density of traffic lights may be associated with higher levels of PNC exposure. These findings provide insight into the role of urban design in promoting healthy commutes to school.
机译：行人与交通相关的空气污染接触取决于许多因素;包括附近道路和路线特征的交通的性质。在这项研究中，我们调查了在新西兰奥克兰奥克兰的早晨步行前往儿童对儿童与流量相关的空气污染的差异对儿童接触的差异。每个对的学校的五对往学校的路线 - 每个都包括低和高社会经济地位（SES）学校，每对横穿7-8天，同时测量粒子数浓度（PNC）和GPS坐标。与此同时，使用视频捕获来自每个学校社区的200个车辆的200个车型的样本，并使用在线数据库提取每辆车的年龄。在低SES地区发现旧车的平均年龄和旧车（> 14岁）的百分比均较高。然而，既不衡量载体年龄的衡量都与行人的PNC暴露的显着差异有关。包括狭窄的人行道和更高密度的交通灯的路线特征可能与较高水平的PNC曝光相关联。这些调查结果介绍了城市设计在促进健康上学时的作用。

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