Diet and Nondiet Predictors of Urinary 3-Phenoxybenzoic Acid in NHANES 1999–2002
2008

Diet and Nondiet Predictors of Urinary 3-Phenoxybenzoic Acid in NHANES 1999–2002

Sample size: 1879 publication 10 minutes Evidence: moderate

Author Information

Author(s): Anne M. Riederer, Scott M. Bartell, Dana B. Barr, Ryan P. Barry

Primary Institution: Rollins School of Public Health, Emory University

Hypothesis

The study aims to explore the relative importance of diet versus nondiet predictors in explaining variability in urinary 3-Phenoxybenzoic Acid (3PBA) levels.

Conclusion

The findings suggest that diet is a significant predictor of urinary 3PBA levels across different age groups, while reported household pesticide use is not.

Supporting Evidence

  • Diet was significant for all three age groups in predicting urinary 3PBA levels.
  • Household pesticide use was not significantly associated with urinary 3PBA in any age group.
  • Tobacco use was positively associated with urinary 3PBA levels among adults.

Takeaway

This study looked at how what people eat and other factors affect the levels of a pesticide byproduct in their urine, finding that diet matters more than using pesticides at home.

Methodology

The study used regression modeling on NHANES data, stratifying subjects by age and analyzing dietary and nondietary predictors of urinary 3PBA.

Potential Biases

Potential bias may arise from reliance on self-reported data for dietary intake and pesticide use.

Limitations

The study did not apply NHANES sample weights, limiting the generalizability of the results to the U.S. population.

Participant Demographics

Participants were divided into child (6–10 years), teen (11–18 years), and adult (≥ 19 years) age groups.

Statistical Information

P-Value

p = 0.0326 for tobacco use association

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1289/ehp.11082

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