基于成分等时替代法建立青少年肥胖干预模型

冯展鹏; 谭思洁; 刘焱; 宋云峰; 张国俊; 张晨; 张小刚

doi:10.16835/j.cnki.1000-9817.2023.11.010

基于成分等时替代法建立青少年肥胖干预模型

doi: 10.16835/j.cnki.1000-9817.2023.11.010

1.
天津体育学院运动健康学院, 天津 301617
2.
天津体育学院运动训练学院

基金项目:

国家社科基金教育科学规划课题 BLA220234

详细信息

作者简介:
冯展鹏(1997-)，男，山东日照人，在读博士，主要研究方向为体质测评与运动健康促进

通讯作者:
张小刚，E-mail：1142929356@qq.com

利益冲突声明 所有作者声明无利益冲突。
中图分类号: G804.49 R723.14 R179
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出版历程
- 收稿日期: 2023-07-14
- 修回日期: 2023-08-23
- 网络出版日期: 2023-11-27
- 刊出日期: 2023-11-25

Establishment of an intervention model for adolescent obesity based on component isochronous substitution method

1.
Sports and Health College, Tianjin University of Sport, Tianjin (301617), China

摘要

摘要: 目的探讨体力活动(PA)、久坐(SB)和睡眠(SLP)之间等时替代与体质量指数(BMI)、腰围(WC)、体脂率(FAT)的关系，为控制青少年肥胖提供有效措施。方法 2022年5—8月在天津市第三十二中学和滨湖中学招募12~15岁青少年193名，使用常规测试方法测量受试者的身高、体重并计算BMI；采用三维加速度计(ActiGraph GT3X+)测量受试者的PA、SB和SLP。结果 15 min的等时替代结果发现，增加中高强度身体活动(MVPA)时间并减少其他活动时间时，BMI-Z减少0.17~0.22个单位、WC-Z减少0.16~0.20个单位、FAT-Z减少0.17~0.22个单位；MVPA与SLP、SB、低强度身体活动(LPA)之间的替代具有明显的不对称性；MVPA替代SB产生的效用>MVPA替代SLP产生的效用>MVPA替代LPA产生的效用；MVPA替代其他行为在MVPA时间增加5 min时最大(0.06~0.08个单位)。结论 MVPA在青少年肥胖的控制中起到不可替代的作用，在减少SB时间的同时应该增加MVPA时间，保证每天不低于55 min的MVPA时间才能有效控制肥胖。
- 等时替代 /
- 肥胖症 /
- 健康促进 /
- 久坐生活方式 /
- 青少年
Abstract: Objective To explore the relationship between isochronous substitution and BMI, waist circumference (WC), and body fat rate (FAT) among physical activity (PA), sedentary (SB), and sleep (SLP), so as to provide effective measures for obesity control in adolescents. Methods A total of 193 adolescents aged 12-15 (90 males and 103 females) was randomly selected, and their height, weight, and BMI were measured using routine testing methods from May to August 2022. The PA, SB and SLP of the participants were measured using a 3D accelerometer (ActiGraph GT3X+). Results The arithmetic mean value overestimated SLP (40.8%) and SB (39.6%) to some extent, and underestimated LPA (16.1%) and MVPA (3.5%) to some extent. Based on the ISM at 15 min, MVPA was substituted for other activity, BMI-Z decreased by 0.17-0.22 units, WC-Z decreased by 0.16-0.20 units, and FAT-Z decreased by 0.17-0.22 units. The substitution between MVPA and for other activity exhibited significant asymmetry. The effects of MVPA substitutions for SB was the largest, followed by the effects of MVPA substitutions for SLP, and the effects of MVPA substitutions for LPA was the lowest. As MVPA substitutions for other behaviors, it reached its maximum (0.06-0.08 units) when the MVPA time increased by 5 minutes. Conclusions MVPA plays an irreplaceable role in the control of adolescent obesity. While reducing SB time, MVPA duration should be increased to ensure that the daily MVPA duration is not less than 55 minutes in order to effectively control obesity.
- Isotemporal substitution /
- Obesity /
- Health promotion /
- Sedentary life style /
- Adolescent
注释:

1) 利益冲突声明 所有作者声明无利益冲突。

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图 1 MVPA替代SLP、SB、LPA对青少年BMI-Z、WC-Z、FAT-Z值的影响

Figure 1. The impact of MVPA replacing SLP, SB and LPA on BMI-Z, WC-Z and FAT-Z of adolescents

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表 1 MVPA、LPA和SLP之间重新分配15 min与青少年BMI-Z、WC-Z、FAT-Z预测值的变化(n=193)

Table 1. Changes of predicted values of BMI-Z, WC-Z and FAT-Z of adolescents after 15 minutes of redistribution among MVPA, LPA and SLP(n=193)

指标	变化	SB↑	LPA↑	MVPA↑	SLP↑
BMI-Z	SB↓	—	-0.05(-0.09~-0.02)^*	-0.22(-0.32~-0.13)^*	-0.04(-0.07~-0.01)^*
	LPA↓	0.05(0.02~0.09)^*	—	-0.17(-0.29~-0.05)^*	0.02(-0.02~0.05)^*
	MVPA↓	0.30(0.16~0.43)^*	0.24(0.09~0.40)^*	—	0.26(0.12~0.40)^*
	SLP↓	0.04(0.01~0.07)^*	-0.02(-0.05~0.02)^*	-0.19(-0.29~-0.08)^*	—
WC-Z	SB↓	—	-0.04(-0.08~-0.01)^*	-0.20(-0.30~-0.10)^*	-0.03(-0.06~0.01)^*
	LPA↓	0.04(0.01~0.08)^*	—	-0.16(-0.28~-0.03)^*	0.02(-0.02~0.06)^*
	MVPA↓	0.27(0.13~0.41)^*	0.23(0.06~0.39)^*	—	0.24(0.09~0.40)^*
	SLP↓	0.02(-0.01~0.06)^*	-0.02(-0.06~0.02)^*	-0.18(-0.29~-0.06)^*	—
FAT-Z	SB↓	—	-0.05(-0.08~-0.01)^*	-0.22(-0.32~-0.12)^*	-0.03(-0.06~0.00)^*
	LPA↓	0.05(0.01~0.08)^*	—	-0.17(-0.30~-0.05)^*	0.02(-0.02~0.06)^*
	MVPA↓	0.29(0.15~0.43)^*	0.25(0.09~0.41)^*	—	0.26(0.12~0.41)^*
	SLP↓	0.03(0.00~0.06)^*	-0.02(-0.05~0.02)^*	-0.19(-0.30~0.08)^*	—
注： ↓表示该项活动时间减少15 min，↑表示该项活动时间增加15 min；*P < 0.05；()内数字为95%CI。

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