Abstract
Objectives: The coronavirus disease 2019 (COVID-19) pandemic has changed the dietary behavior of college students; however, the persistence of the changes in dietary behavior remains uncertain. This study aims to explore the changes in school food consumption and dietary quality of college students during three distinct COVID-19 periods: pre-epidemic (stage T1), epidemic (stage T2), and post-COVID-19 epidemic (stage T3). Methods: The persistent 6-year data, involving 3,484,081 dietary records from January 2018 to December 2023, for college students were acquired from the “Intelligent Ordering System (IOS)”. School food consumption and total energy intake of each college student per day were evaluated by information on three meals in the IOS combined with the corresponding food database of each dish. The school dietary quality of college students was evaluated by the Chinese Healthy Eating Index (CHEI). Results: In total, 459 college students were included in the T1 period, 530 in the T2 period, and 1316 in the T3 period. At stages T2 and T3, the energy, protein, and fat intakes of college students were higher than those at stage T1 (p < 0.001). Meanwhile, the breakfast energy ratio exhibited a significant decrease (0.27 vs. 0.25), while the lunch (0.37 vs. 0.38) and dinner (0.37 vs. 0.38) energy ratios exhibited varying degrees of increase (p < 0.001). After the COVID-19 pandemic, the components’ score of the CHEI for dark vegetables, red meats, and sodium showed an increase, while tubers exhibited a decrease (p < 0.01). Conclusions: This study provides compelling evidence of the significantly negative impact of the COVID-19 pandemic on school food consumption and dietary quality among Chinese college students. However, the duration of this effect may be limited. There was a certain degree of improvement in the food consumption and school diet quality of college students in China following the conclusion of the epidemic.
Published Version
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