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目的通过对煤矿企业伤工死亡的流行病学调查,了解其现状及与时间的关系。方法选择2001年1月1日—2007年12月31日我国某大型煤矿集团所属单位每年在册职工为研究对象,由其职工工伤管理中心详细记录研究期间在工作中发生的所有工伤死亡患者,并上报集团主管部门进行核查。用工形式分为煤矿井下生产工种和非直接煤炭生产的井上工种,然后应用SPSS13.0统计软件进行统计学分析。结果煤矿伤工死亡事故与井下工种明显相关(OR=6.60,P=0.00)。煤矿井下工种与每年的3、4月份明显相关(OR=3.61、6.61,P=0.05、0.00),也与每月的19、25日有明显的关系(OR=9.96、13.92,P=0.03、0.01),而且与每天的10:00密切相关(OR=12.07,P=0.02)。结论煤矿井下工种伤工死亡事件的发生与时间密切相关,每年3、4月份发生是伤工死亡事件的高风险期,而每个月的19—20日和25—26日以及每天的10:00为高危时段,说明煤矿井下矿工的生物节律具有特殊性。
Objective To investigate the current situation and the relationship with the time through the epidemiological investigation on the death of coal miners. Method selection January 1, 2001 - December 31, 2007 Annual report of registered workers in a unit of a large-scale coal mine group in China was studied by the workers’ injury management center and all the deaths from work-related injuries during the study period were recorded in detail. Report to the competent department of the group for verification. Labor forms are divided into coal mine production and non-direct coal production of upstairs, and then use SPSS13.0 statistical software for statistical analysis. Results Coal mine casualty fatalities were significantly correlated with underground workers (OR = 6.60, P = 0.00). There was a significant correlation between the types of coal mine workings and April and April each year (OR = 3.61,6.61, P = 0.05,0.00), and monthly 19 and 25 days (OR = 9.96, 13.92, P = 0.03, 0.01), but also closely related to the daily 10:00 (OR = 12.07, P = 0.02). Conclusion The occurrence of injuries in coal mine workers is closely related to the time. The occurrence of injuries in March and April each year is a high risk period for injuries and deaths. However, the monthly risk of death from injury is 19-20 days, 25-26 days and 10: 00 for the high-risk period, indicating that the biological rhythm of miners mine has its own particularity.