Association between Sleep Duration and Overweight/Obesity at Age 7–18 in Shenyang, China in 2010 and 2014

Qi Sun, Yinglong Bai, Lingling Zhai, Wei Wei and Lihong Jia
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Qi Sun: Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China
Yinglong Bai: Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China
Lingling Zhai: Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China
Wei Wei: Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China
Lihong Jia: Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China

IJERPH, 2018, vol. 15, issue 5, 1-12

Abstract: This study was designed to examine the association between sleep duration and being overweight/obese in primary, middle, and high school students. This was a multiple cross-sectional study using data from the 2010 and 2014 National Survey on Students’ Constitution and Health (CNSSCH). A total of 23,602 students aged 7–18 years were enrolled in this study. The prevalence of being overweight and obese—stratified by age, gender, and sleep duration—in 2010 and 2014 were compared. Sleep duration was categorized as <7 h, ≥7 to 8 h, ≥8 to 9 h, and ≥9 h. Overweight and obesity were defined according to the cut-point criteria in China. Multivariable logistic regression results in 2010 and 2014 revealed that students sleeping <7 h and aged 7–12 years had an increased risk of becoming overweight/obese. In 2010, the adjusted prevalence ratios of overweight for 7–12-year-old students sleeping <9 h was 1.196 (95%CI: 1.004–1.424) and 13–15-year-old students sleeping <8 h was 1.265 (95%CI: 1.023–1.565). In 2014, the adjusted prevalence ratios of overweight and obesity for 7–12-year-old students sleeping <9 h were 1.295 (95%CI: 1.091–1.537) and 1.231 (95%CI: 1.045–1.449); 16–18-year-old students sleeping <7 h were 1.530 (95%CI: 1.239–1.888) and 1.585 (95%CI: 1.270–2.081). Our study revealed that different levels of sleep curtailment increased the risk of becoming overweight/obesity in different age groups of students.

Keywords: children; adolescent; sleep duration; overweight; obesity (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2018
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