在安大略省的流行病浪潮中,COVID-19工人赔偿索赔的职业暴露风险的变化
Peter M Smith1,2, Qing Liao3, Faraz Shahidi3,2
1Institute for Work & Health, Toronto, Ontario, Canada psmith@iwh.on.ca.
Occupational and environmental medicine
|February 5, 2024
概括
在安大略省所有流行病浪潮中,职业暴露增加了与工作相关的COVID-19 (WR-C19) 风险. 风险因暴露水平和波浪而异,突出显示需要更好的WR-C19报告和对未来流行病的动态暴露评估.
科学领域:
- 职业健康 职业健康 职业健康
- 流行病学 流行病学
- 公共卫生 公共卫生
背景情况:
- 由于COVID-19大流行给劳动力带来了重大风险,因此需要了解与工作有关的感染 (WR-C19) 模式.
- 评估职业暴露对于减轻工作场所传播和保护重要工作人员至关重要.
研究的目的:
- 根据在加拿大安大略省COVID-19流行病的不同阶段的职业暴露,调查WR-C19感染率.
- 分析各种职业风险因素在不同的流行病浪潮中如何影响WR-C19风险.
主要方法:
- 结合了加拿大统计局劳动力调查数据 (2020年4月至2022年4月) 的COVID-19工人赔偿索赔.
- 使用职业暴露矩阵对职业暴露进行分类,考虑面向公众的角色,与他人接近,工作地点和暴露水平 (低,中,高).
- 采用负二项式回归来建模职业暴露与WR-C19风险之间的关联,并对相关共变量进行调整.
主要成果:
- 与工作相关的COVID-19 (WR-C19) 趋势与工作年龄人口中的一般COVID-19趋势有所不同.
- 所有评估的职业暴露都与WR-C19的更高风险有关. 具体来说,中等和高暴露水平显示了显著增加的风险比率 (分别为1.30和2.46).
- 职业暴露和WR-C19风险之间的关联在整个大流行浪中波动,在2021年3月至6月期间观察到的最弱的关联,在大流行开始和Omicron浪 (2021年12月至2022年4月) 期间观察到的最强的关联.
结论:
- 职业暴露始终提高了WR-C19的风险,在安大略省的不同流行浪潮中产生不同的影响.
- 未来的流行病准备战略应该包括更精确的WR-C19病例报告,并承认职业暴露的动态性质.
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