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Prevention in dangerous industries: does safety certification prevent tree-faller injuries?
Christopher McLeod1, Daniel Sarkany, Hugh Davies
1School of Population and Public Health, University of British Columbia, 2206 East Mall, Vancouver, British Columbia, V6T 1Z3, Canada. chris.mcleod@ubc.ca.
Scandinavian Journal of Work, Environment & Health
|August 6, 2015
Summary
Safety certification did not reduce work injury risk for experienced tree-fallers. While some post-certification injury risks appeared elevated, they were not statistically significant, indicating no clear benefit for this group.
Area of Science:
- Occupational Health
- Workplace Safety
- Ergonomics
Background:
- Experienced manual tree-fallers face significant work injury risks.
- The effectiveness of safety certification in mitigating these risks is not well-established.
Purpose of the Study:
- To evaluate if safety certification reduces the risk of work injury among experienced manual tree-fallers.
- To analyze injury trends before and after certification.
Main Methods:
- Retrospective cohort study of 3251 tree-fallers in British Columbia (2003-2008).
- Linked registry data with workers' compensation claims.
- Discrete time survival analysis adjusted for multiple factors.
Main Results:
- No statistically significant reduction in work injury risk post-certification.
- Relative risks for injury were not significantly different from pre-certification levels.
- Results consistent across acute, musculoskeletal, and serious injury outcomes.
Conclusions:
- Safety certification did not decrease work injury risk for experienced tree-fallers.
- Potential short-term increases in risk may relate to intervention effects or data limitations.
- Further research needed on certification impact and exposure data.
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