Shujuan Yang1,2, Hui Chen3,4, Jialong Wu1, Bing Guo1, Junmin Zhou1, Changzheng Yuan4, Peng Jia5,2. 1. West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China. 2. International Institute of Spatial Lifecourse Epidemiology (ISLE), Wuhan University, Wuhan, China. 3. College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China. 4. The Children's Hospital and School of Public Health, Zhejiang University School of Medicine, Hangzhou, China. 5. School of Resource and Environmental Sciences, Wuhan University, Wuhan, China.
Abstract
INTRODUCTION: Limited studies have focused on how the COVID-19 outbreak and thereby lockdown had affected the youth's food ordering patterns, which was associated with their dietary behaviors and could have longer term impacts on their later-life health status if the trend persists. This study aimed to evaluate changes in food ordering patterns among youths in China after the COVID-19 outbreak. METHODS: The data were obtained from a national retrospective survey (COINLICS) conducted in early May 2020 via social media platforms in China among more than 10,000 youth participants at 3 educational levels. Participants reported their basic sociodemographic characteristics, weight status, and lifestyles including food ordering patterns. We described and compared their weight status and food ordering patterns before COVID-19 (January) and under lockdown (February). RESULTS: We observed significant changes in youths' weight status and food ordering patterns under lockdown. A significant increase was observed in the prevalence of overweight/obesity (13.5%-17.0%) and obesity (8.7-10.8%), which varied by sex and educational level. Overall, the average weekly frequency of food ordering among the Chinese students had declined, with the largest decrease seen among graduate students, followed by undergraduate and high/vocational school students. Regardless of types of food, the percentage of participating youths who started ordering under lockdown was all lower than that of youths who stopped ordering. Among those who had still ordered foods under lockdown, a larger percentage of female than male high/vocational school students ordered barbecue/grill and cakes/pastries; no significant differences were found across the educational levels. CONCLUSION: The participating youths' food ordering patterns had significantly changed during the COVID-19 lockdown, with heterogeneities observed to different extents between sexes and across educational levels. Our findings would inform policy makers and health professionals of these changes in time, for better policy making and public health practice.
INTRODUCTION: Limited studies have focused on how the COVID-19 outbreak and thereby lockdown had affected the youth's food ordering patterns, which was associated with their dietary behaviors and could have longer term impacts on their later-life health status if the trend persists. This study aimed to evaluate changes in food ordering patterns among youths in China after the COVID-19 outbreak. METHODS: The data were obtained from a national retrospective survey (COINLICS) conducted in early May 2020 via social media platforms in China among more than 10,000 youth participants at 3 educational levels. Participants reported their basic sociodemographic characteristics, weight status, and lifestyles including food ordering patterns. We described and compared their weight status and food ordering patterns before COVID-19 (January) and under lockdown (February). RESULTS: We observed significant changes in youths' weight status and food ordering patterns under lockdown. A significant increase was observed in the prevalence of overweight/obesity (13.5%-17.0%) and obesity (8.7-10.8%), which varied by sex and educational level. Overall, the average weekly frequency of food ordering among the Chinese students had declined, with the largest decrease seen among graduate students, followed by undergraduate and high/vocational school students. Regardless of types of food, the percentage of participating youths who started ordering under lockdown was all lower than that of youths who stopped ordering. Among those who had still ordered foods under lockdown, a larger percentage of female than male high/vocational school students ordered barbecue/grill and cakes/pastries; no significant differences were found across the educational levels. CONCLUSION: The participating youths' food ordering patterns had significantly changed during the COVID-19 lockdown, with heterogeneities observed to different extents between sexes and across educational levels. Our findings would inform policy makers and health professionals of these changes in time, for better policy making and public health practice.
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