Volume 25 Issue 2
Nov.  2019
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MENG Li Ping, LIU Ai Ling, HU Xiao Qi, ZHANG Qian, DU Song Ming, FANG Hong Yun, MA Jun, XU Gui Fa, LI Ying, GUO Hong Wei, DU Lin, MA Guan Sheng. Report on Childhood Obesity in China (10): Association of Sleep Duration with Obesity[J]. Biomedical and Environmental Sciences, 2012, 25(2): 133-140. doi: 10.3967/0895-3988.2012.02.002
Citation: MENG Li Ping, LIU Ai Ling, HU Xiao Qi, ZHANG Qian, DU Song Ming, FANG Hong Yun, MA Jun, XU Gui Fa, LI Ying, GUO Hong Wei, DU Lin, MA Guan Sheng. Report on Childhood Obesity in China (10): Association of Sleep Duration with Obesity[J]. Biomedical and Environmental Sciences, 2012, 25(2): 133-140. doi: 10.3967/0895-3988.2012.02.002

Report on Childhood Obesity in China (10): Association of Sleep Duration with Obesity

doi: 10.3967/0895-3988.2012.02.002
Funds:  the National Ministry of Science & Technology as "Key Projects of the National Science & Technology Pillar Program during the Eleventh Five-Year Plan Period"(2008BAI58B05)
  • Objective To explore the association of sleep duration with obesity among children in urban areas of China.Methods A total of 6 576 children (3 293 boys and 3 283 girls) aged 7-11 years were randomly selected from 36 primary schools in 6 metropolitan cities in China.A 7-day Physical Activity Recall was used to assess the sleep duration and physical activity level.The height,weight,waist circumference (WC)and percentage of body fat (%BF,as determined by bioelectrical impedance analysis technique) were measured by following the standardized operation procedures.The information on demography,lifestyle and eating habits was collected with a self-administered questionnaire from participants and their parents.Results The average sleep duration per night in the children was 9.7 h with the decreasing trends along with the increase of age (P<0.05).The sleep duration was negatively associated with body mass index (BMI) and WC in both boys and girls after adjustment for confounders (β value -0.23 and -0.82 for boys,-0.24 and -0.91 for girls,respectively,P<0.01).However,no significant association of sleep duration with %BF was found.Children who slept less than 9.0 h per night had a higher risk for overweight and obesity (0R=1.29,95% CI:1.01,1.64) and abdominal obesity (OR=1.38,95% CI:1.04,1.83) as compared with those who slept for 10.0-10.9 h.Conclusions Short sleep duration is associated with obesity.It is important to ensure adequate sleep duration of children and foster their healthy lifestyle at an early stage of life.
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Report on Childhood Obesity in China (10): Association of Sleep Duration with Obesity

doi: 10.3967/0895-3988.2012.02.002
Funds:  the National Ministry of Science & Technology as "Key Projects of the National Science & Technology Pillar Program during the Eleventh Five-Year Plan Period"(2008BAI58B05)

Abstract: Objective To explore the association of sleep duration with obesity among children in urban areas of China.Methods A total of 6 576 children (3 293 boys and 3 283 girls) aged 7-11 years were randomly selected from 36 primary schools in 6 metropolitan cities in China.A 7-day Physical Activity Recall was used to assess the sleep duration and physical activity level.The height,weight,waist circumference (WC)and percentage of body fat (%BF,as determined by bioelectrical impedance analysis technique) were measured by following the standardized operation procedures.The information on demography,lifestyle and eating habits was collected with a self-administered questionnaire from participants and their parents.Results The average sleep duration per night in the children was 9.7 h with the decreasing trends along with the increase of age (P<0.05).The sleep duration was negatively associated with body mass index (BMI) and WC in both boys and girls after adjustment for confounders (β value -0.23 and -0.82 for boys,-0.24 and -0.91 for girls,respectively,P<0.01).However,no significant association of sleep duration with %BF was found.Children who slept less than 9.0 h per night had a higher risk for overweight and obesity (0R=1.29,95% CI:1.01,1.64) and abdominal obesity (OR=1.38,95% CI:1.04,1.83) as compared with those who slept for 10.0-10.9 h.Conclusions Short sleep duration is associated with obesity.It is important to ensure adequate sleep duration of children and foster their healthy lifestyle at an early stage of life.

MENG Li Ping, LIU Ai Ling, HU Xiao Qi, ZHANG Qian, DU Song Ming, FANG Hong Yun, MA Jun, XU Gui Fa, LI Ying, GUO Hong Wei, DU Lin, MA Guan Sheng. Report on Childhood Obesity in China (10): Association of Sleep Duration with Obesity[J]. Biomedical and Environmental Sciences, 2012, 25(2): 133-140. doi: 10.3967/0895-3988.2012.02.002
Citation: MENG Li Ping, LIU Ai Ling, HU Xiao Qi, ZHANG Qian, DU Song Ming, FANG Hong Yun, MA Jun, XU Gui Fa, LI Ying, GUO Hong Wei, DU Lin, MA Guan Sheng. Report on Childhood Obesity in China (10): Association of Sleep Duration with Obesity[J]. Biomedical and Environmental Sciences, 2012, 25(2): 133-140. doi: 10.3967/0895-3988.2012.02.002

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