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Updated: May 16, 2026

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Published on: June 2, 2022
Effectiveness of joint health and safety committees: a realist review
Annalee Yassi1, Karen Lockhart, Mona Sykes
1Global Health Research Program (GHRP), School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada. annalee.yassi@ubc.ca
Background:
Joint health and safety committees (JHSCs) are widely acknowledged as important to a healthy and safe work environment. However, it is also generally believed that having a JHSC is necessary but not sufficient; the JHSC must be effective.
Methods:
A systematic review was undertaken to find empirical studies regarding the effectiveness of JHSCs; realist review methodology was applied to determine context-mechanism-outcome patterns. Experts from across Canada and from various sectors and perspectives including government, employers, and unions, were brought together to inform the synthesis.
Results:
Thirty-one studies met inclusion criteria. Mechanisms identified as important determinants of JHSC effectiveness across various jurisdictions include adequate information, education and training; appropriate committee composition; senior management commitment to JHSCs; and especially a clear mandate with a broad scope and corresponding empowerment (through legislation and/or union presence).
Conclusions:
Consistent empowerment mechanisms emerge as determinants of successful JHSCs across contexts despite few evidence-based details for best practice implementation. Intervention research is warranted.
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