Fetal Deaths and Proximity to Hazardous Waste Sites in Washington State
Author Information
Author(s): Beth A. Mueller, Carrie M. Kuehn, Carrie K. Shapiro-Mendoza, Kay M. Tomashek
Primary Institution: Fred Hutchinson Cancer Research Center
Hypothesis
Is there a risk of fetal death associated with maternal residential proximity to hazardous waste sites?
Conclusion
Fetal death is not generally associated with proximity to hazardous waste sites, but living close to pesticide-containing sites may increase the risk.
Supporting Evidence
- Women living within 0.5 miles of hazardous waste sites did not show increased fetal death risk.
- Fetal death risk increased for women living within 1 mile of pesticide-containing sites.
- Statistical analysis adjusted for maternal age, smoking status, and number of prior pregnancies.
Takeaway
This study looked at whether living near hazardous waste sites affects the chances of losing a baby during pregnancy. It found that while being close to most waste sites doesn't seem to be a problem, being near pesticide sites might be.
Methodology
A population-based case-control study using Washington State vital records from 1987 to 2001, comparing fetal death cases to live birth controls.
Potential Biases
Misclassification of residential proximity and potential biases due to underreporting of fetal deaths could affect results.
Limitations
The study relied on residential proximity data, which may not accurately reflect actual exposure levels, and there was potential underreporting of fetal deaths.
Participant Demographics
Women with fetal deaths were more likely to be unmarried, older than 35, have less education, and be Medicaid recipients.
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CI, 1.13–1.46 for proximity to pesticide sites
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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