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Research of Epidemiological Investigation for Suffered Peoples due to Atmospheric Environmental Changes in Hanshin Province since Hanshin-Awaji Earthquake Disaster

阪神淡路地震灾害以来阪神省大气环境变化受灾人群流行病学调查研究

基本信息

批准号：
08680553
负责人：
GOTO Takao
金额：
$ 1.47万
依托单位：
Kobe University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1996
资助国家：
日本
起止时间：
1996 至 1997
项目状态：
已结题

项目摘要

The relations between the local nitrogen dioxides and the rate of the complained symtoms of the worsened health after the Hanshin Earthquake were surveyed three times, after half year (First survey), one half years (Second's), two half years (Third's) since earthquake.The following four respects were turned out through the survey.1. In the second survey, NO_2 concentrations measured along the roads runing not only from east to west (Routes-No.2 and -No.43), but also from north to south were high in the same as first survey2. Although No_2 concentrations around areas along the Osaka bay were not so high before the earthquake, became higher after it, because a large number of trucks carried the wastes from the destroyed buildings passing through the bay road, and the combustible waste were burned to form ashes in the bay areas during two years after the earthquake.3. In the first survey, the rate of the people who complained about health worsening after the earthquake reached 25% of those who replied to the questionnaire. This rate in the second survey was 20%, and the rate in the third survey was 14%.4. The relation between the NO_2 concentration and the rate of people, who lived in the same area, who lived in same area, where the NO_2 concentration was measured, and who also complained about their health worsening after the earthquake, became clear with condition of 5% risk in the second survey in the same as first survey. But the relation in the third survey did not become clear. The relation was deduced that the rate of people who complained about their health worsening before the earthquake did not decrease as same as the rate of people after the earthquake decreased.

在坂神大地震后半年（第一次调查）、一年半（第二次调查）、两年半（第三次调查）三次调查了当地二氧化氮与居民健康状况恶化的投诉率之间的关系，调查结果表明：1.在第二次调查中，沿沿着的NO_2浓度不仅从东向西（2号线和43号线），而且从北向南，在相同的第一次调查2。大坂湾沿着地区的NO_2浓度在地震前并不高，但在地震后的两年中，由于大量的卡车从海湾道路上运送被摧毁的建筑物的废弃物，并且可燃废弃物在海湾地区燃烧成灰烬，因此在地震后变得更高。在第一次调查中，抱怨地震后健康状况恶化的人占回答问卷的25%。第二次调查的这一比率为20%，第三次调查的比率为14%。第二次调查与第一次调查一样，在5%的危险度条件下，同一地区的居民、同一地区的监测点居民和同一地区的健康状况恶化者的比例与NO_2浓度的关系更加明显。但在第三次调查中，这种关系并不明显。由此推断，地震前抱怨健康状况恶化的人数比例并没有随着地震后人数比例的下降而下降。