Body mass index changes among children and adolescents in Suzhou before and after COVID-19 outbreak

SHEN Hui; DING Ziyao; HAN Di; HAI Bo; YIN Jieyun; HU Jia

doi:10.16835/j.cnki.1000-9817.2021.05.022

Volume 42 Issue 5

May 2021

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SHEN Hui, DING Ziyao, HAN Di, HAI Bo, YIN Jieyun, HU Jia. Body mass index changes among children and adolescents in Suzhou before and after COVID-19 outbreak[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2021, 42(5): 733-736. doi: 10.16835/j.cnki.1000-9817.2021.05.022

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SHEN Hui, DING Ziyao, HAN Di, HAI Bo, YIN Jieyun, HU Jia. Body mass index changes among children and adolescents in Suzhou before and after COVID-19 outbreak[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2021, 42(5): 733-736. doi: 10.16835/j.cnki.1000-9817.2021.05.022

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Body mass index changes among children and adolescents in Suzhou before and after COVID-19 outbreak

doi: 10.16835/j.cnki.1000-9817.2021.05.022

SHEN Hui¹,
DING Ziyao¹,
HAN Di¹,
HAI Bo¹,
YIN Jieyun²,
HU Jia^{1
,
,}

1.
Department of School Health, Suzhou Center for Disease Prevention and Control, Suzhou (215004), Jiangsu Province, China

Received Date: 2020-10-22
Rev Recd Date: 2020-01-18

Available Online: 2021-05-20

Publish Date: 2021-05-25

Abstract

Abstract

Objective To explore body mass index (BMI) changes among children and adolescents in Suzhou before and after COVID-19 outbreak, and to provide a reference for improving physical health of children and adolescents. Methods A total of 569 children and adolescents who had complete BMI information in 2019 were enrolled through stratified cluster sampling from June to July, 2020. Questionnaire survey was conducted, and height and weight were measured to calculate BMI and BMI-Z scores. Results After the epidemic, overweight/obesity rate were 32.0%, compared to 31.6% before the epidemic(χ²=0.07, P>0.05). Difference of BMI-Z scores before (0.37±1.28) and after (0.38±1.27) the epidemic did not show statistically significant (t=-0.28, P>0.05), No significant changes in BMI-Z score were found before and affer COVID-19 outbreak similar results were observed (P>0.05), BMI-Z scores after the epidemic (0.45±1.32) was higher than it before the epidemic (0.37±1.35) among primary school group (t=2.57, P=0.01), while BMI-Z scores after the epidemic (0.27±1.17) was lower than it before the epidemic (0.39±1.18) among middle school group (t=-4.29, P < 0.01). Proportion of sweet food consumption and outdoor activities was statistically different before and after the epidemic(P>0.05), proportion of sugar-sweetened beverages consumption and fried food intake were statistically different before and after the epidemic (P < 0.05), sleep time after the epidemic (8.52±1.83)h was higher than it before the epidemic (8.05±1.70)h (t=4.96, P < 0.05). Conclusion Before and after COVID-19 outbreak, BMI and overweight/obesity rates are significantly different among children and adolescents in Suzhou, and there is a slight difference in different studying phases.
- Coronavirus,
- Body mass index,
- Growth and development,
- Child,
- Adolescent

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References(13)

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