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Quantitative differences between common occupational health risk assessment models.

Qiuliang Xu1, Fang Yu2, Fei Li1

  • 1Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, China.

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|September 19, 2020
PubMed
Summary
This summary is machine-generated.

Comparing occupational health risk assessment (OHRA) models reveals significant quantitative differences. The US EPA and Singaporean OHRA models demonstrated higher reliability and better discrimination of inherent risks compared to others.

Keywords:
MethodologyOccupational healthRisk assessmentWorkplace

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Area of Science:

  • Occupational Health and Safety
  • Risk Assessment Methodologies
  • Industrial Hygiene

Background:

  • Methodological studies comparing occupational health risk assessment (OHRA) models are scarce.
  • Understanding quantitative differences between OHRA models is crucial for accurate risk evaluation.
  • Existing OHRA models vary in their application and output, necessitating comparative analysis.

Purpose of the Study:

  • To explore and quantify the differences between commonly used OHRA models.
  • To evaluate the consistency, correlation, and reliability of risk ratios generated by various OHRA models.
  • To compare the performance of six distinct OHRA models across five industrial sectors.

Main Methods:

  • Investigated risk ratios (RRs) in five industries: leather, wooden furniture, printing and dyeing, printing, and garment manufacturing.
  • Utilized six OHRA models: US Environmental Protection Agency (EPA), Singapore, Control of Substances Hazardous to Health (COSHH), Australia, Romania, and International Council on Mining and Metals (ICMM).
  • Assessed consistency, correlation, and reliability of quantitative differences between model-derived RRs.

Main Results:

  • The US EPA and Singaporean models effectively distinguished inherent risk levels of specific factors (e.g., xylene, ethyl acetate).
  • Risk ratio order consistently followed inherent risk levels for EPA, Singaporean, and COSHH models.
  • Risk ratios followed the order: RREPA > RRCOSHH > RRSingaporean > RRAustralian > RRRomanian and RRICMM (P < .05); EPA showed weakest correlation, Singaporean showed positive correlation (P < .01).

Conclusions:

  • The US EPA and Singaporean OHRA models demonstrated good reliability, accurately reflecting industry and risk factor inherent risks.
  • The US EPA model operated independently, while the Singaporean model showed strong correlation with other models.
  • Further research into OHRA methodologies is essential for advancing occupational health risk assessment practices.