Evaluating the Effectiveness of an Occupational Health and Safety Management System Certification Program on Firm Work Injury Rates in Alberta, Canada

IF 2.7 3区医学 Q2 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH

American journal of industrial medicine Pub Date : 2024-12-17 DOI:10.1002/ajim.23690

Christopher B. McLeod, Robert A. Macpherson

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引用次数: 0

Abstract

Background

Occupational health and safety management systems (OHSMS) certification programs have the potential to improve workplace health and safety. In Canada, the Certificate of Recognition (COR) program is an example of such program and has been introduced in many industries and provinces. This study's objective was to identify whether the implementation of the COR program led to greater reduction in firm work-related injuries in Alberta, Canada.

Methods

Using firm- and claim-level data from the Workers' Compensation Board of Alberta and COR registration data from Government of Alberta, the effect of becoming COR-certified on firm-level injury rates was assessed using a matched difference-in-differences study design with population-averaged negative binomial regression models.

Results

A total of 14,377 certified firms were matched with 11,338 non-certified firms during the years 2000 to 2015. Firms that became certified had a greater reduction in the lost-time injury rate (IRR: 0.86, 95% CI 0.83−0.88) and disabling injury rate (IRR 0.97, 95% CI 0.94−1.00) relative to the change in injury rates among similar non-certified firms. The effectiveness of OHSMS certification was strongest in the transportation, manufacturing and trade sectors, in more recent years, and among firms certified using the standard COR program as opposed to the program adapted for small employers.

Conclusions

The findings suggest that COR can be an effective program, but that the effectiveness of this program is dependent on the context in which it is implemented, such as the industry sector, time period, and type of audit program.

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评估加拿大阿尔伯塔省企业工伤率的职业健康和安全管理体系认证计划的有效性。

背景：职业健康和安全管理体系（OHSMS）认证项目有潜力改善工作场所的健康和安全。在加拿大，认证证书（COR）计划是此类计划的一个例子，并已在许多行业和省份引入。本研究的目的是确定是否COR方案的实施导致在阿尔伯塔省，加拿大公司工伤更大的减少。方法：使用阿尔伯塔省工人补偿委员会的公司和索赔级数据以及阿尔伯塔省政府的COR注册数据，使用匹配的差异中差研究设计和人口平均负二项回归模型评估获得COR认证对公司级伤害率的影响。结果：2000年至2015年间，共有14377家认证公司与11338家非认证公司进行了匹配。相对于类似的未认证公司的伤害率变化，获得认证的公司在损失时间伤害率（IRR: 0.86, 95% CI 0.83-0.88）和致残伤害率（IRR: 0.97, 95% CI 0.94-1.00）方面有更大的降低。近年来，职业健康管理体系（OHSMS）认证的有效性在运输、制造和贸易领域最为显著，在使用标准COR计划（而不是适用于小型雇主的计划）获得认证的公司中也是如此。结论：研究结果表明，COR可以是一个有效的程序，但该程序的有效性取决于其实施的背景，如行业部门，时间段和审计程序的类型。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

American journal of industrial medicine 医学-公共卫生、环境卫生与职业卫生

CiteScore

5.90

自引率

5.70%

发文量

108

审稿时长

4-8 weeks

期刊介绍： American Journal of Industrial Medicine considers for publication reports of original research, review articles, instructive case reports, and analyses of policy in the fields of occupational and environmental health and safety. The Journal also accepts commentaries, book reviews and letters of comment and criticism. The goals of the journal are to advance and disseminate knowledge, promote research and foster the prevention of disease and injury. Specific topics of interest include: occupational disease; environmental disease; pesticides; cancer; occupational epidemiology; environmental epidemiology; disease surveillance systems; ergonomics; dust diseases; lead poisoning; neurotoxicology; endocrine disruptors.