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. Author manuscript; available in PMC: 2023 May 1.
Published in final edited form as: J Acad Nutr Diet. 2021 Dec 22;122(5):974–980. doi: 10.1016/j.jand.2021.09.019

Figure 1:

Figure 1:

The Adjusted Predicted Total HEIa-2015 Score Trend and 95% Confidence Intervalb using the National Health and Nutrition Examination Survey, 1999–2018

a HEI = Healthy Eating Index

b predicted values and their 95% confidence intervals are from weighted ordinary least squares regression using margins command in Stata, controlling for sex, age group in years (18–39,40–59,60 or above), race/ethnicity (Non-Hispanic White, Hispanic, Non-Hispanic Black, and other race), and educational level (less than high school, high school graduate/ General Equivalency Diploma, some college/associates (AA) degree or higher)