小学生体力活动久坐行为与超重肥胖风险关系

汪君民; 龚腾云

doi:10.16835/j.cnki.1000-9817.2021.11.019

小学生体力活动久坐行为与超重肥胖风险关系

doi: 10.16835/j.cnki.1000-9817.2021.11.019

汪君民¹,
龚腾云²

1.
淮阴师范学院体育学院, 江苏淮安 223300
2.
淮阴师范学院科研部

基金项目:

江苏省社会科学基金项目 19TYB006

详细信息

作者简介:
汪君民(1975- ), 男, 江苏赣榆人, 博士, 副教授, 主要研究方向为身体活动与健康促进

中图分类号: R723.14 R179 G627.8
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- 被引次数: 0
出版历程
- 收稿日期: 2021-01-04
- 修回日期: 2021-06-25
- 网络出版日期: 2021-12-01
- 刊出日期: 2021-11-25

Association between physical activity and sedentary behavior with the risk of overweight and obesity in primary school students

WANG Junmin¹,
GONG Tengyun²

1.
School of Physical Education, Huaiyin Normal University, Huaian (223300), Jiangsu Province, China

摘要

摘要: 目的探讨中度到大强度体力活动(moderate to vigorous physical activity, MVPA)和久坐行为与小学生超重/肥胖风险之间的关联, 为改善小学生不良生活方式提供参考。方法 2018年11—12月对广东省某市949名9~12岁小学生进行横断面调查。根据体质量指数(BMI)将小学生划分为正常和超重/肥胖两组。实验对象24 h戴腕表式Gene active加速度计, 对MVPA和久坐时间进行区分和记录。由父母记录并提供小学生的屏幕时间。采用Possion回归分析MVPA、久坐时间、屏幕时间与超重/肥胖风险之间独立关联。结果 20.8%(197名)的小学生超重/肥胖。小学生符合MVPA推荐值比例为22.1%(210名), 上学日久坐时间(不包括睡眠时间)为60.8%(577名), 高达8.5 h/d。仅有12.3%(117名)的小学生屏幕时间≤2 h/d。与Q4相比, MVPA为Q1的小学生与正常组小学生相比, 其超重/肥胖的风险比体质量正常的小学生高出4.38倍(P < 0.01), 且与久坐时间无关。与符合MVPA推荐值的小学生相比, 未达到MVPA推荐值的小学生的超重/肥胖风险增加了2.54倍(95%CI=1.59~3.77)。每天>2 h的小学生超重/肥胖的风险比每天≤2 h的小学生增加了1.87倍(95%CI=1.21~3.02)。结论 MVPA时间越长, 超重/肥胖的风险越低。能达到MVPA时间要求的小学生比例偏低, 小学生的屏幕时间大多超出推荐值。
- 运动活动 /
- 行为 /
- 超重 /
- 肥胖症 /
- 回归分析 /
- 学生
Abstract: Objective To investigate the association between moderate to vigorous physical activity (MVPA) and sedentary behavior with the risk of overweight/obesity in children, and to provide a reference for health life style of primary school students. Methods From November to December 2018, a cross-sectional survey of 949 school children aged 9-12 years in Guangdong Province was conducted. Children were classified as normal weight or overweight/obesity based on body mass index(BMI). Participants were advised to wear a wristwatch-type Gene Active accelerometer for 24 hours to record MVPA and sedentary time. Children's screen time (ST) was provided by parents. Poisson regression was used to analyze the independent associations between MVPA, sedentary time, screen time and overweight/obesity risk. Results About 20.8%(197) of the children were overweight/obesity. The percentage of children who met the MVPA recommendation was 22.1%(210), and the amount of sedentary time (excluding sleep) during the school day was 60.8%(577), or as high as 8.5 hours per day. Only 12.3%(117) of children have less than two hours of screen time per day. Compared with Q4, pupils with MVPA of Q1 had a 4.38 higher risk of overweight/obesity compared with normal pupils (P < 0.01), no similar associations were observed for sedentary time. Compared with pupils who met the recommended MVPA, pupils with lower MVPA had an increased risk of overweight/obesity by 2.54 times(95%CI=1.59-3.77). Pupils with more than 2 hours per day had an increased risk of overweight/obesity by 1.87 times(95%CI=1.21-3.02) compared with pupils with less than 2 hours per day. Conclusion The risk of overweight/obesity decreases with the increase of MVPA. The proportion of students meeting the MVPA recommendation is relatively low, the proportion exceeding screen time recommendation is high.
- Motor activity /
- Behavior /
- Overweight /
- Obesity /
- Regression analysis /
- Students

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表 1 小学生久坐不动和体力活动时间在正常和超重/肥胖组间比较/[M(P₂₅~P₇₅)，min·d^-1]

Table 1. Comparison of sedentary and physical activity time in primary school students between normal and overweight/obesity groups/[M(P₂₅~P₇₅), min·d^-1]

时间	正常(n=751)	超重/肥胖(n=197)	t值	P值
一整周
久坐不动	510.7(505.5~515.8)	528.4(519.0~537.8)	5.21	< 0.01
小强度体力运动	234.0(230.2~237.8)	236.5(229.5~243.6)	0.68	0.92
中度体力运动	83.4(81.1~85.8)	68.1(64.4~71.8)	7.11	< 0.01
剧烈体力运动	11.1(6.0~17.7)	6.0(3.9~10.7)	11.74	< 0.01
中度到剧烈体力运动	94.5(92.6~98.3)	75.1(70.8~79.4)	9.67	< 0.01
上学日
久坐不动	517.9(512.6~523.1)	532.4(522.9~542.0)	1.73	< 0.01
小强度体力运动	237.4(233.6~241.3)	241.9(234.5~249.3)	0.53	0.53
中度体力运动	84.2(81.9~86.5)	70.2(66.5~73.8)	16.34	< 0.01
剧烈体力运动	11.0(6.0~18.4)	5.8(3.4~11.0)	11.25	< 0.01
中度到剧烈体力运动	96.8(93.9~99.6)	77.6(73.4~81.9)	15.13	< 0.01
周末
久坐不动	492.7(485.6~499.7)	518.2(505.4~531.1)	19.11	< 0.01
小强度体力运动	225.3(220.4~230.2)	223.0(214.3~231.8)	0.49	0.34
中度体力运动	81.5(78.0~84.9)	62.8(57.2~68.3)	18.75	< 0.01
剧烈体力运动	7.1(2.5~16.5)	4.5(1.0~8.6)	11.61	< 0.01
中度到剧烈体力运动	92.0(87.9~96.1)	68.8(62.5~75.1)	12.43	< 0.01

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表 2 一周中久坐不动、参加MVPA时间和小学生超重/肥胖风险之间的独立关联[RR值(RR值95%CI)，n=949]

Table 2. Independent association between sedentary time during the week, participation in moderate to vigorous physical activity, and risk of overweight/obesity in elementary school students[RR(RR 95%CI), n=949]

变量	选项	模式1	模式2
久坐不动时间	Q1	1.00	1.00
	Q2	0.89(0.61~1.30)	0.89(0.59~1.33)
	Q3	1.54(1.07~2.21)	1.47(0.98~2.18)
	Q4	1.72(1.18~2.50)^**	1.63(1.09~2.45)^**
MVPA	Q4	1.00	1.00
	Q3	1.96(1.25~3.07)	1.92(1.25~2.95)
	Q2	2.73(1.92~3.87)	2.47(1.81~3.36)
	Q1	3.99(2.53~6.29)^**	3.71(2.43~5.67)^**
符合MVPA时间推荐	是	1.00	1.00
	否	2.63(1.72~4.00)	2.42(1.61~3.64)
符合屏幕时间推荐	是	1.00	1.00
	否	1.96(1.22~3.16)	1.90(1.21~2.96)
符合两者时间推荐	两者都符合	1.00	1.00
	符合其中之一或两者都不符合	2.13(1.47~3.07)	2.12(1.47~3.07)
注： Q1~Q4为四分位数，**P < 0.01。

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