煤炭发电厂工人的就业状况和肺部功能:5年后续研究
Jia Ryu1, Eun-A Kim2, Kayoung Park2
1Department of Occupational and Environmental Medicine, International St. Mary's Hospital, Catholic Kwandong University, Incheon, Korea.
Journal of Korean medical science
|December 16, 2025
概括
煤尘暴露显著降低了工厂工人,特别是分包商的肺功能. 就业状况影响健康结果,突出显示了呼吸系统健康方面的差异.
科学领域:
- 职业健康 职业健康 职业健康
- 环境医学 环境医学
- 肺部医学 肺部医学
背景情况:
- 燃煤电厂工人面临着严重的煤尘暴露.
- 在韩国,分包商的员工经常执行高危物质暴露的任务.
- 煤尘与严重的健康问题有关,包括肺炎,肺癌和肺功能减弱.
研究的目的:
- 调查煤炭灰暴露对煤炭发电厂工人的肺功能的影响.
- 根据就业状态 (承包商与分包商) 检查肺功能变化的差异.
主要方法:
- 在2013年至2018年期间,一组1108名燃煤电厂工人接受了肺功能测试.
- 工人被分为承包商运营商,分包商运营商和分包商维护人员.
- 用重复测量方差分析分析了随着时间的推移肺功能的变化,考虑了暴露指数.
主要成果:
- 与承包商 (1.7) 相比,分包商的曝光指数 (4.5) 高于承包商 (1.7).
- 在5年内,在分包商组中观察到肺功能指标的显著下降,包括强迫的生命能力和1秒强迫的呼吸量.
- 肺功能下降因就业状况而有显著差异,时间和就业之间具有统计学意义的相互作用 (P < 0.01).
结论:
- 在职业煤灰暴露和肺功能恶化之间存在明显的关联.
- 工作场所暴露水平的差异有助于在同一工业环境中的工人之间产生不同的健康结果.
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