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Chinese Journal of School Health ; (12): 502-506, 2022.
Article in Chinese | WPRIM | ID: wpr-924088

ABSTRACT

Objective@#To investigate the relationship among physical activity, sleep duration and screen time and overweight and obesity among children and adolescents in Beijing Tianjin Hebei region, and to provide reference for children and adolescents in Beijing Tianjin Hebei region to maintain healthy physique.@*Methods@#In November 2019, 4 262 primary and secondary school students in Beijing Tianjin Hebei region were surveyed on physical activity, sleep status and screen time according to the physical activity guidelines for children and adolescents, and the relationship between overweight and obesity was analyzed by Logistic regression.@*Results@#The prevalence of overweight and obesity among children and adolescents in Beijing Tianjin Hebei region was 22.03%. The positive rate of overweight was 12.01% and obesity was 10.02%. The prevalence of overweight and obesity in male students (26.09%) was higher than that in female students (17.88%), the difference was statistically significant ( χ 2=41.77, P < 0.01 ). The prevalence of overweight and obesity in urban children (24.09%) and Han children (22.74%) was significantly higher than that in rural areas (21.05%) and ethnic minorities (17.70%) ( χ 2=5.00, 7.63, P <0.05). The proportion of children who met physical activity, screen time and sleep duration guideline was 24.85%, 38.69% and 57.09%, respectively. A total of 21.68% of children and adolescents did not meet the guideline of physical activity, screen time and sleep duration, among which 42.80% and 28.77% met the guideline for one or two out of three behaviors, respectively. Only 6.76% of children and adolescents met the guideline of all three behaviors. Logistic regression analysis showed that the risk of overweight and obesity was negatively correlated with sleep duration ( OR=0.72, 95%CI =0.52-0.98). The risk of overweight and obesity was lower in patients with 2 criteria than in those with less sleep duration and less screen time ( OR=0.57, 95%CI =0.36-0.87).@*Conclusion@#Percentage of sufficient physical activity among children and adolescents in Beijing Tianjin Hebei region is low, and ensuring sufficient sleep duration is helpful for overweight and obesity prevention. The impact of sleep duration and screen time on overweight and obesity in children and adolescents should be considered in childhood obesity prevention and control.

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