"Our study suggests that the overall dietary quality of the U.S. population steadily improved from 1999 through 2010. This improvement reflected favorable changes in both consumers' food choices and food processing, especially the reduction of trans fat intake, that were likely motivated by both public policy and nutrition education. However, overall dietary quality remains poor, indicating room for improvement and presenting challenges for both public health researchers and policy makers. Furthermore, substantial differences in dietary quality were seen across levels of SES, and the gap between those with the highest and lowest levels increased over time."
Author: Dong D. Wang, M.D., M.Sc., of the Harvard School of Public Health, Boston, and colleagues.
(JAMA Intern Med. Published online September 1, 2014. doi:10.1001/jamainternmed.2014.3422. Available pre-embargo to the media at http://media.jamanetwork.com.)
Editor's Note: Please see the article for additional information, including other authors, author contributions and affiliations, financial disclosures, funding and support, etc.
Commentary: Growing Socioeconomic Disparity in Dietary Quality
In a related commentary, Takehiro Sugiyama, M.D., Ph.D., of the National Center for Global Health and Medicine, Tokyo, and Martin F. Shapiro, M.D., Ph.D., of the University of California, Los Angeles, write: "The growing chasm in dietary quality by SES confronts us with the possibility that the governmental efforts to mind this gap have been insufficient. It is disappointing that the improvement seen in those of higher SES was not seen in the lower-SES group."
"How could we close
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