Increased Breast Cancer Risk in Female Electronics Workers
Author Information
Author(s): Sung Tzu-I, Chen Pau-Chung, Jyuhn-Hsiarn Lee Lukas, Lin Yi-Ping, Hsieh Gong-Yih, Wang Jung-Der
Primary Institution: National Taiwan University College of Public Health
Hypothesis
Is there an increased risk of breast cancer among female workers exposed to solvents in an electronics factory?
Conclusion
Female workers with exposure to trichloroethylene and/or mixtures of solvents, first employed prior to 1974, may have an excess risk of breast cancer.
Supporting Evidence
- The study followed 63,982 female workers over a 23-year period.
- There were 286 cases of breast cancer identified in the cohort.
- The standardized incidence ratio for breast cancer increased to 1.38 for those employed before 1974.
Takeaway
Women who worked in an electronics factory before 1974 and were exposed to certain chemicals might have a higher chance of getting breast cancer.
Methodology
The study used a retrospective design, linking employment records with cancer registry data to calculate standardized incidence ratios for breast cancer.
Potential Biases
There may be residual confounding due to unmeasured factors like socioeconomic status and family history.
Limitations
The study lacked detailed exposure data and could not control for potential confounders such as family history and other risk factors.
Participant Demographics
The cohort consisted of 63,982 female workers, primarily under 20 years old at first employment.
Statistical Information
P-Value
1.38
Confidence Interval
1.11–1.70
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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