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Semiconductor Work, Leukemia, and Cancer Risk: A Systematic Review and Meta-Analysis
Kyungsik Kim1,2,3, Ho Kyung Sung4,5, Kwan Lee6
1Department of Preventive Medicine, Seoul National University College of Medicine, Daehak-ro 101, Jongno-gu, Seoul 03080, Korea.
International Journal of Environmental Research and Public Health
|November 26, 2022
Summary
This meta-analysis found no significant link between semiconductor work and increased leukemia or cancer risk. Further research should consider factors like study quality and worker health for a comprehensive understanding of occupational disease risks.
Area of Science:
- Occupational Health
- Epidemiology
- Industrial Hygiene
Background:
- The semiconductor industry's rapid growth over 60 years has raised concerns about associated occupational diseases.
- The link between semiconductor work and cancers, including leukemia, remains a subject of debate.
- This study systematically reviews and meta-analyzes the association between semiconductor employment and cancer risk.
Approach:
- A comprehensive literature search was conducted across core research databases, including PubMed, for studies published up to July 31, 2022.
- Nine eligible studies focusing on cancer risk among semiconductor industry workers were selected for meta-analysis.
- Data from studies with employment periods between 1965 and 2009 were analyzed.
Key Points:
- The meta-analysis revealed no statistically significant association between semiconductor work and an increased risk of leukemia (RR, 1.02; 95% CI, 0.74-1.41).
- Similarly, semiconductor work did not show a significant association with overall cancer risk (RR, 1.00; 95% CI, 0.93-1.07).
Conclusions:
- Current evidence from this meta-analysis suggests semiconductor work is not significantly linked to leukemia or cancer.
- Future research should incorporate internal comparisons (e.g., non-fab workers) and consider study quality and the healthy worker effect.
- Prospective cohort studies are recommended for a more robust assessment of occupational disease risks in the semiconductor industry.
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