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      Levels of 24-hour movement and associations with childhood obesity in Chinese school students

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          Abstract

          Objective To analyze relationships between levels of 24-hour movement (physical activity, screen time and sleep) and childhood obesity in students aged 7–18 years.

          Methods This study used data from students aged 7–18 years in the 2015 China health and nutrition survey, and assessed levels of physical activity, screen time and sleep based on the Canadian 24 hour Movement Guidelines for Children and Youth. Associations between levels of 24-hour movement and childhood obesity were assessed using multivariable Logistic regression models.

          Results The overall rate of overweight and obesity was 21.56%. Proportions of students meeting the guidelines for physical activity, screen time, sleep and three behaviors combined were 24.84%, 38.69%, 57.08%, and 6.77%, respectively. After adjusting for age, sex, location of residence and nationality, students meeting the sleep guideline were less likely to be overweight and obese than those who did not ( OR = 0.73), students meeting both sleep and screen time guidelines had a lower risk in overweight and obesity than those met neither guidelines ( OR = 0.58) ( P<0.05). However, other behaviors and behavior combinations showed no significant associations with overweight and obesity.

          Conclusion Only a small proportion of students met all three 24-hour movement guidelines. Ensuring adequate sleep and limiting excessive screen time may be an important strategy for childhood obesity prevention and management.

          Abstract

          【摘要】 目的分析中国7〜18岁在校儿童青少年身体活动、视屏行为和睡眠组合达标情况与超重肥胖的相关性, 为促进 学校超重肥胖防控工作提供依据。 方法 使用2015年中国健康和营养调查数据, 依据《加拿大儿童青少年24 h活动指 南》对946名7〜18岁在校儿童青少年身体活动、视屏行为和睡眠时间的达标情况进行分类, 并采用Logistic回归模型分析 各行为达标情况及行为组合达标情况与超重肥胖的相关性。 结果 儿童青少年超重肥胖率为21.56%;身体活动、视屏行 为和睡眠达标率分别为24.84%, 38.69%和57.08%, 3类行为组合达标率为6.77%。校正年龄、性别、城乡和民族后, 睡眠达 标及睡眠与视屏行为组合达标分别与超重肥胖风险呈负相关 ( OR值分别为0.73,0.58,值均<0.05), 但其他行为及行为 组合与超重肥胖率相关性无统计学意义。 结论 儿童青少年24h活动达标率较低, 充足睡眠或有助于降低超重肥胖风 险。今后研究需注意睡眠和视屏行为的潜在联合作用以及两类行为在儿童超重肥胖防控中的应用。

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          Author and article information

          Journal
          CJSH
          Chinese Journal of School Health
          Chinese Journal of School Health (China )
          1000-9817
          01 April 2021
          01 April 2021
          : 42
          : 4
          : 606-610
          Affiliations
          [1] 1Soochow University Medical School, Suzhou (215123), Jiangsu Province, China
          Author notes
          *Corresponding author: ZHANG Youjie, E-mail: ujzhang@ 123456suda.edu.cn
          Article
          j.cnki.1000-9817.2021.04.029
          10.16835/j.cnki.1000-9817.2021.04.029
          5028dffb-4013-4026-9005-9839ce87be02
          © 2021 Chinese Journal of School Health

          This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License (CC BY-NC 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See https://creativecommons.org/licenses/by-nc/4.0/.

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          Self URI (journal-page): http://www.cjsh.org.cn
          Categories
          Journal Article

          Ophthalmology & Optometry,Pediatrics,Nutrition & Dietetics,Clinical Psychology & Psychiatry,Public health
          Child,Motor activity,Overweight,Growth and development,Adolescent,Regression analysis,Obesity

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