儿童青少年户外活动视屏时间与20 m往返跑成绩的相关性

宗巧; 许韶君; 朱懿; 赵梦雅; 张一; 王熙; 孙健; 伍晓艳; 万宇辉; 陶芳标

doi:10.16835/j.cnki.1000-9817.2022.07.013

儿童青少年户外活动视屏时间与20 m往返跑成绩的相关性

doi: 10.16835/j.cnki.1000-9817.2022.07.013

宗巧¹,
许韶君^1, ,,
朱懿¹,
赵梦雅¹,
张一¹,
王熙²,
孙健²,
伍晓艳¹,
万宇辉¹,
陶芳标¹

1.
安徽医科大学公共卫生学院儿少卫生与妇幼保健学系/出生人口健康教育部重点实验室，合肥 230032
2.
深圳市宝安区疾病预防控制中心公共卫生科

基金项目:

国家自然科学基金项目 82073578

详细信息

作者简介:
宗巧(1996-)，男，安徽淮南人，在读硕士，主要研究方向为儿童青少年卫生

通讯作者:
许韶君，E-mail：xushaojun@ahmu.edu.cn

利益冲突声明 所有作者声明无利益冲突。
中图分类号: R179 G478 G804.49
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- 被引次数: 0
出版历程
- 收稿日期: 2021-12-30
- 修回日期: 2022-03-06
- 网络出版日期: 2022-07-27
- 刊出日期: 2022-07-25

Association between outdoor activity, screen time and the performance of 20-meter shuttle run test among children and adolescents

摘要

摘要: 目的分析深圳市宝安区儿童青少年户外活动和视屏时间与20 m往返跑成绩的关联，为中小学生体质健康管理与促进提供科学依据。方法采用分层整群抽样方法，于2019年4—5月在深圳市宝安区6个街道选取14所学校的在校学生，使用自编问卷调查中小学生人口统计学特征、户外活动和视屏时间等信息；从每个学校每个年级抽取1个班级，共对3 192名一至十二年级中小学生进行体质测试，包括身高、体重测量及20 m往返跑成绩等体能指标。结果 3 192名中小学生20 m往返跑成绩为优良的985人(30.9%)，男生优良率(34.7%)高于女生(26.3%)，差异有统计学意义(χ²=26.43，P < 0.01)。Logistic回归分析显示，与户外活动时间 < 2 h/d组相比，户外活动时间≥2 h/d组中小学生20 m往返跑成绩优良率更高(OR=1.38，95%CI=1.12~1.70)；与视屏时间≥2 h/d组相比，视屏时间 < 2 h/d组中小学生20 m往返跑成绩优良率更高(OR=1.42，95%CI=1.17~1.71)；与户外活动时间 < 2 h/d且视屏时间≥2 h/d的中小学生相比，户外活动时间≥2 h/d且视屏时间 < 2 h/d中小学生20 m往返跑成绩优良率更高(OR=1.97，95%CI=1.46~2.67)。结论增加户外活动、减少视屏时间有助于儿童青少年心肺适能的提升。促进体质健康应切实保证中小学生每天2 h户外活动时间，严格控制视屏类电子产品使用时间。
- 运动活动 /
- 注视，眼 /
- 时间 /
- 身体耐力 /
- 回归分析 /
- 学生
Abstract: Objective To analyze the relationship between outdoor activity, screen time and 20-meter shuttle run test (20 m SRT) score among children and adolescents in Baoan District, Shenzhen, so as to provide scientific basis for the management and promotion of physical health of children and adolescents. Methods Stratified cluster sampling was used to select students from 14 schools in 6 communities in Baoan District of Shenzhen, from April to May 2019. A self-designed questionnaire was used to investigate demographic characteristics, outdoor activity duration and screen time of primary and middle school students. A total of 3 192 primary and secondary school students in grade 1-12 were selected from each school. Weight, height and 20 m SRT were measured. Results About 985(30.9%) out of 3 192 primary and middle school students were estimated excellent on 20 m SRT test, with boys being higher than that of girls (34.7% vs 26.3%) (χ²=26.43, P < 0.01). Logistic regression analysis showed that compared with the group with outdoor activity < 2 h/d, the excellent and good performers on 20 m SRT with outdoor activity time ≥2 h/d was higher(OR=1.38, 95%CI=1.12-1.70). Compared with students with screen time ≥2 h/d, the excellent and good performers on 20 m SRT with screen time < 2 h/d was higher(OR=1.42, 95%CI=1.17-1.71). Compared with students with outdoor activity time < 2 h/d and screen time ≥ 2 h/d, students with outdoor activity time ≥2 h/d and video time < 2 h/d had a higher proportion of excellent score on 20 m SRT(OR=1.97, 95%CI=1.46-2.67). Conclusion Increasing outdoor activity and reducing screen time are helpful to improve the performance score of 20 m SRT among primary and secondary school students.
- Motor activity /
- Fixation, ocular /
- Time /
- Physical endurance /
- Regression analysis /
- Students
注释:

1) 利益冲突声明 所有作者声明无利益冲突。

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表 1 不同组别中小学生20 m SRT成绩优良率比较

Table 1. Comparison of excellence rate of 20 m SRT score of primary and middle school students in different groups

组别	选项	人数	成绩优良人数	χ²值	P值	组别	选项	人数	成绩优良人数	χ²值	P值
性别	男	1 731	601(34.7)	26.43	< 0.01	自评家庭经济条件	差	406	129(31.8)	7.66	0.02
	女	1 461	384(26.6)				中等	2 176	641(29.5)
学段	小学	1 599	432(27.0)	72.65	< 0.01		好	610	215(35.2)
	初中	785	338(43.1)			自评学习成绩	差	478	130(27.2)	12.39	< 0.01
	高中	808	215(26.6)				一般	1 913	570(29.8)
父亲文化程度	初中及以下	1 011	322(31.8)	3.45	0.18		好	801	285(35.6)
	高中或中专	1 122	359(32.0)			BMI	消瘦	239	65(27.2)	128.32	< 0.01
	大专及以上	1 059	304(28.7)				正常	2 224	800(36.0)
母亲文化程度	初中及以下	1 266	404(31.9)	6.36	0.04		超重	453	107(23.6)
	高中或中专	1 124	362(32.2)				肥胖	276	13(4.7)
	大专及以上	802	219(27.3)
注： ( )内数据为优良率/%。

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表 2 儿童青少年不同户外活动和视屏时间与20 m SRT成绩的Logistic回归分析

Table 2. Logistic regression analysis of different outdoor activities, screen time and 20 m SRT score

自变量	人数	模型1		模型2		模型3
自变量	人数	OR值(OR值95%CI)	P值	OR值(OR值95%CI)	P值	OR值(OR值95%CI)	P值
户外活动时间/(h·d^-1)
< 2	2 487	1.00		1.00		—
≥2	705	1.46(1.22~1.73)	< 0.01	1.38(1.12~1.70)	< 0.01	—
视屏时间/(h·d^-1)
≥2	671	1.00		—		1.00
< 2	2 521	1.23(1.02~1.49)	0.03	—		1.42(1.17~1.71)	< 0.01
注： 20 m SRT成绩参照组为“非优良”；模型1未调整变量；模型2调整性别、学段、母亲文化程度、家庭经济条件、学习成绩、视屏时间和BMI；模型3调整性别、学段、母亲文化程度、家庭经济条件、学习成绩、户外时间和BMI。

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表 3 儿童青少年户外活动和视屏时间对20 m SRT成绩的联合效应[OR值(OR值95%CI)]

Table 3. Combined effect of outdoor activities time and screen time on the performance score of 20 m SRT[OR(OR 95%CI)]

户外活动时间 /(h·d^-1)	视屏时间 /(h·d^-1)	人数	模型1	模型2
< 2	≥2	453	1.00	1.00
≥2	≥2	218	1.77(1.24~2.51)	1.55(1.07~2.24)
< 2	< 2	2 034	1.40(1.11~1.76)	1.43(1.12~1.84)
≥2	< 2	487	2.00(1.51~2.65)	1.97(1.46~2.67)
注：模型1未调整变量；模型2调整性别、学段、母亲文化程度、家庭经济条件、学习成绩和BMI；P值均 < 0.05。

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