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. 2019 May 31;19:54. doi: 10.1186/s12902-019-0382-3

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© The Author(s). 2019

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — a-c shows the results of mean Healthy Eating Index 2010 score by NHANES cycle stratified by level of education (a), Income expressed as the ratio of household income to the federal poverty threshold and converted to a percentage, (b), and Food Security Status (c). Results are from weighted linear regression models, adjusted for age, gender, and race/ethnicity. HS = high school