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Development of Korean CARcinogen EXposure: occupation-based exposure matrix
Dong-Hee Koh1, Sangjun Choi2,3, Ju-Hyun Park4
1Department of Occupational and Environmental Medicine, International St. Mary's Hospital, Catholic Kwandong University, 25, Simgok-ro 100beon-gil, Seo-gu, Incheon, 22711, Korea.
Annals of Work Exposures and Health
|November 27, 2024
Summary
Researchers developed an occupation-based carcinogen exposure matrix, extending the Korean CARcinogen EXposure (K-CAREX) system. This new matrix aids in preventing occupational cancers and supports epidemiological studies.
Area of Science:
- Occupational Health
- Environmental Health
- Toxicology
Background:
- Occupational cancer prevention relies on understanding carcinogen exposure.
- The Korean CARcinogen EXposure (K-CAREX) system assesses industry-based exposure.
- An occupation-based exposure matrix was lacking.
Purpose of the Study:
- To develop an occupation-based exposure matrix for occupational carcinogens.
- To extend the existing K-CAREX framework.
- To enhance occupational cancer risk assessment.
Main Methods:
- Combined Work Environment Measurement Database (WEMD) for exposure levels and Special Health Examination Database (SHED) for occupation data.
- Utilized standard occupational classification within SHED to determine exposure prevalence.
- Estimated exposure intensity and prevalence for various carcinogens across occupational groups.
Main Results:
- Developed an exposure matrix covering 156 occupational groups.
- Evaluated 22 carcinogens for exposure intensity and 20 for prevalence.
- Example: Welders showed intensity rating 3 and 26% prevalence for welding fume exposure.
Conclusions:
- The occupation-based matrix complements the industry-based K-CAREX.
- The comprehensive K-CAREX system now includes both industry and occupation data.
- Facilitates improved occupational cancer prevention and epidemiological research.

