Water Disinfection By-Products and Birth Defects in Taiwan
Author Information
Author(s): Hwang Bing-Fang, Jaakkola Jouni JK, Guo How-Ran
Primary Institution: China Medical University
Hypothesis
Exposure to disinfection by-products through tap water increases the risk of birth defects.
Conclusion
Prenatal exposure to disinfection by-products increases the risk of ventricular septal defects, cleft palate, and anencephalus.
Supporting Evidence
- The risk of ventricular septal defects was elevated in the high exposure category.
- Cleft palate showed an exposure-response pattern.
- Anencephalus risk was significantly higher in the high exposure group.
Takeaway
Drinking water that has been treated with certain chemicals might make babies more likely to be born with heart problems and other issues.
Methodology
A population-based cross-sectional study using data from the Birth Registry and Waterworks Registry in Taiwan.
Potential Biases
Potential misclassification of exposure due to using aggregate municipal measures.
Limitations
Exclusion of births due to insufficient water quality data may limit generalizability.
Participant Demographics
The study included 396,049 newborns from Taiwan, with a focus on specific birth defects.
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CI: 0.98, 3.35 for ventricular septal defects; 95% CI: 1.00, 2.41 for cleft palate; 95% CI: 0.94, 4.07 for anencephalus.
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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