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Estimating the effectiveness of ergonomics interventions through case studies: implications for predictive
Richard W Goggins1, Peregrin Spielholz, Greg L Nothstein
1Consultation Services, Washington State Department of Labor and Industries, Olympia, WA 98504-4640, USA. gogr235@LNI.wa.gov
Journal of Safety Research
|June 24, 2008
Summary
Ergonomics interventions offer significant benefits, including reduced work-related musculoskeletal disorders and improved productivity, with typical payback periods under one year. This data supports developing predictive cost-benefit analysis models for workplace improvements.
Area of Science:
- Occupational Health
- Ergonomics
- Health Economics
Background:
- Ergonomics interventions require robust cost-benefit analysis (CBA) for management approval.
- Predictive CBA models necessitate reliable data on intervention benefits.
Purpose of the Study:
- To review and summarize reported benefits of ergonomics interventions.
- To provide data for developing predictive CBA models.
Main Methods:
- Conducted literature reviews and internet searches.
- Collected and summarized 250 case studies on ergonomics program benefits.
Main Results:
- Common benefits include reduced work-related musculoskeletal disorders (WMSDs), lost workdays, and workers' compensation costs.
- Improvements in productivity, quality, turnover, and absenteeism were also reported.
- Payback periods for interventions were generally less than one year.
Conclusions:
- Ergonomics interventions yield largely positive benefits.
- The findings can inform the development of predictive CBA models for ergonomics.
- Credible, real-world data is crucial for effective cost-justification of workplace interventions.
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