Published Online: September 16, 2008 (doi:10.1001/jama.300.11.1303).
Author Contributions: Drs Lang and Melzer had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Lang, Galloway, Depledge, Wallace, Melzer.
Analysis and interpretation of data: Lang, Galloway, Scarlett, Henley, Wallace, Melzer.
Drafting of the manuscript: Lang, Galloway, Melzer.
Critical revision of the manuscript for important intellectual content: Lang, Galloway, Scarlett, Henley, Depledge, Wallace, Melzer.
Statistical analysis: Lang, Henley, Melzer.
Administrative, technical, or material support: Galloway, Scarlett, Wallace.
Study supervision: Depledge.
Financial Disclosures: Dr Galloway reported having served as a paid independent expert for the United Kingdom Bisphenol A Ecotoxicology Review Panel. Dr Depledge reported that he is a member of the United Kingdom Royal Commission on Environmental Pollution and serves as a board member of Natural England. No other disclosures were reported.
Funding/Support: Resources for this analysis were provided by the Peninsula College of Medicine and Dentistry. Dr Lang is an Academic Specialty Trainee in Public Health supported by the United Kingdom National Health Service South West Region Public Health Training Scheme.
Role of the Sponsor: The funding organization had no role in the design and conduct of the study; the collection, analysis, and interpretation of the data; or the preparation, review, or approval of the manuscript.
Additional Contributions: We thank the many persons who have contributed to the National Health and Nutrition Examination Survey data we have examined, including all of the anonymous participants in the study. We are particularly grateful to those who carried out the laboratory assays of bisphenol A concentrations at the Division of Environmental Health Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention.