Key result
US youth AHA diet scores improved through 2016, though ~56% still consume poor-quality diets.
Why the study?
Prior studies of dietary trends among US youth evaluated major macronutrients or only a few foods, or used older data.
Cross-Sectional (n=31,420)
Yes
Absolute Event Rate: 18.8% vs 14.8%
p-value: p=<.001
Diet quality among US youth showed modest improvement from 1999 to 2016, but over half still have poor-quality diets.
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Most US youth retain poor diets despite gains; leaves open links to future cardiometabolic outcomes.
Liu et al. (2020) conducted a cross-sectional in Diet quality (n=31,420). Calendar year vs. 1999 vs 2016 was evaluated on Survey-weighted, energy-adjusted mean consumption of dietary components and proportion meeting targets of the American Heart Association (AHA) 2020 continuous diet score (p=<.001). From 1999 to 2016, the estimated AHA primary diet score among US youth significantly increased from 14.8 to 18.8 (P<.001), though 56.1% still had poor-quality diets in 2016.
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