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首页> 外文期刊>International Journal of Environmental Research and Public Health >Comparison of the Cumulative Incidence Rates of Coal Workers’ Pneumoconiosis between 1970 and 2013 among Four State-Owned Colliery Groups in China
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Comparison of the Cumulative Incidence Rates of Coal Workers’ Pneumoconiosis between 1970 and 2013 among Four State-Owned Colliery Groups in China

机译：中国四个国有煤矿集团1970年至2013年煤矿工人尘肺病的累积发生率比较

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The purpose of this study was to identify differences in the incidence characteristics of coal workers’ pneumoconiosis (CWP) based on data from four large state-owned colliery groups of China, by comparing the cumulative incidence rates of CWP. We investigated 87,904 coal workers from the Datong, Kailuan, Fuxin, and Tiefa Colliery Groups, who were exposed to dust for at least 1 year. The cumulative incidence rate of CWP was calculated with the life-table method and stratified analysis among coal workers with different occupational categories during different years of first dust exposure. Our results showed the cumulative incidence rate of Datong was higher than that of any other colliery group among workers with different occupational categories during different years of first dust exposure. For Datong workers who started their dust exposure in the 1970s, the cumulative incidence rates of CWP among tunneling, mining, combining, and helping workers were 34.77%, 10.20%, 34.59%, and 4.91% during the observed time of 34 years, respectively. For those in the 1980s, the cumulative incidence rates were 32.29%, 13.51%, 2.98%, and 0.47%, respectively. The cumulative incidence rates of Fuxin and Tiefa were the lowest. In conclusion, the Datong colliery has the highest cumulative incidence rate of CWP among the four studied collieries, followed by Kailuan. The cumulative incidence rates of Fuxin and Tiefa were the lowest. Additional dust-proofing measures for decreasing dust concentrations are still necessary.
机译：本研究的目的是通过比较中国四个大型国有煤矿集团的数据，确定煤炭工人尘肺病（CWP）发病特征的差异，并比较其累积发生率。我们对来自大同，开lu，阜新和铁法煤矿的87,904名煤炭工人进行了调查，这些工人至少接触了粉尘一年。采用生命表法和不同职业类别的煤炭从业人员在首次接触粉尘的不同年份中，CWP的累积发生率进行了分层分析。我们的结果显示，在不同职业类别的工人首次接触粉尘的不同年份，大同的累积发病率高于任何其他煤矿集团。在1970年代开始接触粉尘的大同工人中，在34年的观测时间内，隧道，采矿，联合和帮助工人的CWP累积发生率分别为34.77％，10.20％，34.59％和4.91％。 。在1980年代，累积发生率分别为32.29％，13.51％，2.98％和0.47％。阜新和铁法的累积发病率最低。总之，大同煤矿在四个研究煤矿中，CWP的累积发生率最高，其次是开lu。阜新和铁法的累积发病率最低。仍然需要采取附加的防尘措施来降低粉尘浓度。

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