![]() ![]() 8 Tufts Institute for Global Obesity Research, Tufts University, Boston, Massachusetts.7 Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.6 Department of Nutrition and Institute for Global Nutrition, University of California, Davis.5 Division of Cancer Control and Population Science, National Cancer Institute, National Institutes of Health, Rockville, Maryland.4 Department of Public Health Policy and Management, School of Global Public Health, New York University, New York, New York. The childhood obesity rate has been steadily rising among US youths during the past 2 decades. Increasing evidence links consumption of ultraprocessed foods to excessive calorie consumption and weight gain, but trends in the consumption of ultraprocessed foods among US youths have not been well characterized. To characterize trends in the consumption of ultraprocessed foods among US youths. ![]() Serial cross-sectional analysis using 24-hour dietary recall data from a nationally representative sample of US youths aged 2-19 years (n = 33 795) from 10 cycles of the National Health and Nutrition Examination Survey (NHANES) from 1999-2000 to 2017-2018. ![]() Percentage of total energy consumed from ultraprocessed foods as defined by NOVA, an established food classification system that categorizes food according to the degree of food processing.ĭietary intake from youths were analyzed (weighted mean age, 10.7 years 49.1% were girls). From 1999 to 2018, the estimated percentage of total energy from consumption of ultraprocessed foods increased from 61.4% to 67.0% (difference, 5.6% P <. ![]() 001 for trend), whereas the percentage of total energy from consumption of unprocessed or minimally processed foods decreased from 28.8% to 23.5% (difference, -5.3% P <. ![]()
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