Trends in Diet Quality Among Youth in the United States, 1999-2016 | Adolescent Medicine | JAMA

jhon pablo


Key Points

Question 
What was the quality of diets among youth in the United States and how did it change between 1999 and 2016?

Findings 
In this serial cross-sectional analysis of nationally representative data from 31 420 youth, diet quality modestly improved from 1999-2000 to 2015-2016 based on validated dietary quality scores. The estimated proportion of children with poor-quality diet significantly decreased (from 76.8% to 56.1%), the estimated proportion with intermediate quality diet significantly increased (from 23.2% to 43.7%), and the estimated proportion with an ideal quality significantly increased but remained low (from 0.07% to 0.25%).

Meaning 
From 1999 to 2016, the estimated overall diet quality of US youth modestly improved, but more than half of children still had poor-quality diets.

Importance 
Prior studies of dietary trends among US youth have evaluated major macronutrients or only a few foods or have used older data.

Objective 

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