在GPS衍生的活动空间中,建筑环境与静止行为,轻度体力活动和中度至强度体力活动之间的关联
Dante G Vittor1, Jeffrey S Wilson2, Scott E Crouter3
1Manning College of Nursing and Health Sciences, University of Massachusetts Boston, Boston, MA 02125, USA.
概括
这项研究探讨了建筑环境如何使用GPS定义的活动空间影响身体活动 (PA). 结果表明,绿色和自行车基础设施与轻度和中度至强度的PA相关,但不是久坐的行为.
科学领域:
- 环境健康 环境健康
- 城市规划 城市规划
- 公共卫生 公共卫生
背景情况:
- 传统的建筑环境和体力活动 (PA) 研究通常使用固定或家庭的暴露评估.
- 需要新的方法来准确捕捉与日常行为相关的个人环境暴露.
研究的目的:
- 研究建筑环境特征与久坐行为 (SB),轻度PA (LPA) 和中度至强度PA (MVPA) 之间的关联.
- 评估不同GPS衍生活动空间指标 (缓冲轨道,最小凸体船体,标准偏差圆) 在建筑环境和PA研究中的实用性.
主要方法:
- 31名成年人戴着活动监测器和GPS设备来收集数据.
- 创建了三种类型的活动空间:50米的缓冲GPS轨道,最小凸船体 (MCHs) 和标准偏差圆 (SDEs).
- 环境变量 (土地使用组合,绿色,步道/自行车基础设施密度) 用重复测量回归分析,控制共变量.
主要成果:
- 在MCH活动空间内的绿色与LPA积极相关 (p = 0.02).
- 在SDE空间内的自行车基础设施密度与MVPA呈现出积极的关联 (p = 0.04).
- 多用途小径,自行车基础设施和自行车站密度与LPA负相关 (p ≤0.05);对于SB.没有发现显著的关联.
结论:
- 建筑环境和体育活动之间的关系是复杂的,取决于活动空间的类型和测量的结果.
- 绿色和特定的活跃交通基础设施显示了与增加体力活动的潜在联系.
- 需要进一步的研究,以建立最佳和可适应的方法来定义建筑环境和PA研究中的活动空间.
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