Accepted for Publication: March 25, 2011.
Author Contributions: Dr Yang and Mr Liu had full access to all 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: Yang, Liu, Flanders, Gillespie, Khoury, and Hu. Analysis and interpretation of data: Yang, Liu, Flanders, Kuklina, Hong, Chang, Gwinn, Dowling, and Hu. Drafting of the manuscript: Yang. Critical revision of the manuscript for important intellectual content: Yang, Liu, Kuklina, Flanders, Hong, Gillespie, Chang, Gwinn, Dowling, Khoury, and Hu. Statistical analysis: Yang, Liu, Flanders, Gillespie, and Chang. Administrative, technical, and material support: Hong, Chang, Dowling, Khoury, and Hu. Study supervision: Yang and Hu.
Financial Disclosure: None reported.
Disclaimer: The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.
Additional Contributions: Janet A. Tooze, PhD, Department of Biostatistical Sciences, School of Medicine, Wake Forest University, and Victor Kipnis, PhD, Biometry, Division of Cancer Prevention, NCI, provided advice on using the NCI methods to estimate the usual sodium and potassium intakes and to examine the nutrient-disease relationship based on the NHANES III dietary recall data. Alicia Carriquiry, PhD, Department of Statistics, Iowa State University, provided advice on analyzing the dietary intake data. Darwin Labarthe, PhD, Paula Yoon, ScD, and Mary Cogswell, PhD, Division for Heart Disease and Stroke Prevention, Centers for Disease Control and Prevention, provided helpful comments.