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目的了解深圳市中小学学生身体活动情况。方法随机抽取1所小学的4～6年级,1所初中的初1、2年级,1所高中的高1、2年级共830名学生为研究对象,采用问卷调查上一周的身体活动、静坐、出行方式、睡眠等情况。结果在校平均每天体育活动时间<60 min的学生占64.3%;有72.8%的学生进行体育锻炼,其中有1/2的学生每周有2或3天进行中等强度及以上的体育锻炼。每天做家务时间<20 min的占73.7%。每天静坐时间小学生为3.1 h,初中生为4.1 h,高中生4.9 h。每天平均睡眠时间小学生为9.0 h,初中生为7.8 h,高中生为7.0 h。结论深圳市中小学生身体活动模式有待改善。
Objective To understand the physical activity of primary and secondary school students in Shenzhen. Methods A total of 830 students from grades 1 to 4 and 1 grade from 1 grade to 1 grade and 2 grades from 1 grade to grade 4 to grade 6 were enrolled in the study. 830 students from the previous week were surveyed, Travel mode, sleep and so on. Results 64.3% of the students took 60 minutes of physical activity per day in school. 72.8% of them performed physical exercises. One half of them took 2 or 3 days a week for physical activity of medium intensity and above. 73.7% did housework <20 minutes a day. The daily sit-in time for primary school students 3.1 h, junior high school students 4.1 h, high school students 4.9 h. The average daily sleep time was 9.0 h for primary school students, 7.8 h for junior high school students and 7.0 h for high school students. Conclusion The physical activity patterns of primary and secondary school students in Shenzhen need to be improved.