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Published on: March 6, 2018
Bisphenol A and chronic disease risk factors in US children
Donna S Eng1, Joyce M Lee, Achamyeleh Gebremariam
1Division of Pediatric Endocrinology, University of Michigan, Ann Arbor, MI, USA.
Insights
Higher urinary bisphenol A (BPA) levels in children are linked to increased odds of obesity and abnormal waist circumference. Further research is needed to understand the long-term effects of BPA exposure on child health.
Area of Science:
- Environmental Health
- Pediatric Endocrinology
- Public Health
Background:
- Bisphenol A (BPA) is an endocrine-disrupting chemical with widespread human exposure.
- Childhood obesity and related chronic diseases are significant public health concerns.
Purpose of the Study:
- To investigate the association between urinary BPA levels and adiposity measures in US children.
- To examine the relationship between BPA exposure and chronic disease risk factors in pediatric populations.
Main Methods:
- Cross-sectional analysis of the National Health and Nutrition Examination Survey (NHANES) 2003-2010 data.
- Inclusion of children aged 6-18 years, assessing urinary BPA, BMI, and waist circumference.
- Statistical adjustments for demographics, creatinine, tobacco exposure, and soda consumption.
Main Results:
- Increased quartiles of urinary BPA were significantly associated with higher odds of obesity (BMI ≥95th percentile).
- Higher BPA levels correlated with an increased likelihood of abnormal waist circumference-to-height ratio.
- No significant associations were found between BPA and other tested chronic disease risk factors.
Conclusions:
- Elevated urinary BPA levels are associated with increased odds of obesity and abnormal waist circumference in children.
- Longitudinal studies are essential to establish temporal relationships and causality.
- Findings highlight potential risks of BPA exposure during critical developmental periods in children.
Objective:
To evaluate the relationship between urinary bisphenol A (BPA) levels and measures of adiposity and chronic disease risk factors for a nationally representative US pediatric sample.
Methods:
We used the NHANES 2003-2010 to evaluate cross-sectional associations between urinary BPA and multiple measures of adiposity, cholesterol, insulin, and glucose for children aged 6 to 18 years, adjusting for relevant covariates (eg, demographics, urine creatinine, tobacco exposure, and soda consumption).
Results:
We found a higher odds of obesity (BMI ≥95th percentile) with increasing quartiles of BPA for quartiles 2 vs 1 (odds ratio [OR] 1.74, 95% confidence interval [CI] 1.17-2.60, P = .008), 3 vs 1 (OR 1.64, 95% CI 1.09-2.47, P = .02), and 4 vs 1 (OR 2.01, 95% CI 1.36-2.98, P = .001). We also found a higher odds of having an abnormal waist circumference-to-height ratio (quartiles 2 vs 1 [OR 1.37, 95% CI 0.98-1.93, P = .07], 3 vs 1 [OR 1.41, 95% CI 1.07-1.87, P = .02], and 4 vs 1 [OR 1.55, 95% CI 1.12-2.15, P = .01]). We did not find significant associations of BPA with any other chronic disease risk factors.
Conclusions:
Higher levels of urinary BPA were associated with a higher odds of obesity (BMI >95%) and abnormal waist circumference-to-height ratio. Longitudinal analyses are needed to elucidate temporal relationships between BPA exposure and the development of obesity and chronic disease risk factors in children.
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