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Heat-Related Illness Among Workers in British Columbia, 2001-2020
Kate R Weinberger1, Lillian Tamburic, Cheryl E Peters
1From the School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada (Dr Weinberger, Ms Tamburic, Dr Peters, Dr McLeod); British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada (Dr Peters); BC Cancer, Vancouver, British Columbia, Canada (Dr Peters).
Objective:
The aim of this study was to describe the incidence of heat-related illness among workers in British Columbia (BC), Canada, 2001-2020.
Methods:
Cases of heat-related illness occurring among workers aged 15 years and older were identified from accepted lost-time claims from WorkSafeBC, the provincial workers' compensation board. Incidence rates were calculated using monthly estimates of the working population from Statistics Canada's Labour Force Survey as the denominator.
Results:
Between 2000 and 2020, there were 528 heat-related illness claims, corresponding to a rate of 1.21 (95% confidence interval, 1.10-1.31) claims per 100,000 workers. Eighty-four percent of claims occurred between June and August. Rates were higher among male workers, younger workers, and among those working in occupations related to primary industry; trades, transport, and equipment operators; and processing, manufacturing, and utilities.
Conclusions:
In BC, lost-time claims for heat-related illness occurred disproportionately among certain subgroups of the workforce.
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