泰国的室内工厂工人预防热应变的实际冷却干预措施
Aaron J E Bach1,2, Phayong Thepaksorn3,4, Elizabeth K Hom Thepaksorn3
1School of Health Sciences and Social Work, Griffith University, Gold Coast, Queensland, Australia.
American journal of industrial medicine
|May 3, 2024
概括
两个冷却策略,即现场组合冷却绿洲 (OASIS) 和相变材料背心 (VEST),有效地减少了木厂工人的生理压力. 需要进一步的研究来确定它们对工人的生产力和收入的影响.
科学领域:
- 职业健康和安全 职业健康和安全
- 环境生理学环境生理学
- 工作场所人体工程学
背景情况:
- 职业热应激对工人的健康和生产力构成重大风险,特别是在资源较少的环境中.
- 气候变化和不充分的冷却解决方案加剧了工作场所的热应激.
- 了解有效的减热策略对于保护弱势工人至关重要.
研究的目的:
- 评估两种不同的冷却干预措施在减轻生理压力和保持木工人生产力的有效性.
- 在9小时的工作日内,比较现场冷却绿洲 (OASIS) 和相变材料背心 (VEST) 与无冷却控制 (CON) 的效果.
- 在苛刻的工业环境中提供数据,以改进热管理策略.
主要方法:
- 一个交叉随机对照试验,涉及泰国南部的12名木厂工人.
- 在连续几天内,工人被分配到三个条件:OASIS (水分,冷毛巾,风扇,水),VEST或CON.
- 用核心体温和心率来测量生理应变;通过处理的木托盘数量来评估生产率.
主要成果:
- 与对照组相比,OASIS干预显著降低了0.25°C的核心体温和每分钟7次的心率.
- 与对照组相比,VEST干预显示了核心温度 (0.17°C) 的较小降低,心率降低 (10bpm) 的非显著增加.
- 在OASIS和CON组之间,或在VEST和CON组之间,没有观察到统计学上显著的生产率差异.
结论:
- 与没有冷却相比,OASIS和VEST干预措施都明显减少了木厂工人的生理热应变.
- 这些冷却策略对工人生产力的影响仍然不确切,需要进一步调查.
- 即使是微小的生产率差异也可能对单位工人产生重大财务影响,这凸显了全面评估的必要性.
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