科技导报 >

2025 , Vol. 43 >Issue 6: 74 - 83

DOI: https://doi.org/10.3981/j.issn.1000-7857.2024.04.00319

特色专题：绿色建筑与城市治理

老年人活力出行行为与建成环境的非线性关系

  • 魏东 ,
  • 杨林川 , *
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  • 西南交通大学建筑学院城乡规划系, 成都 611756
杨林川(通信作者), 教授, 研究方向为交通与土地利用的互动和规划, 电子信箱:

魏东, 博士研究生, 研究方向为建成环境与出行行为, 电子信箱:

收稿日期: 2024-04-20

  网络出版日期: 2025-04-19

基金资助

国家自然科学基金面上项目(52278080)

四川省杰出青年科学基金项目(2025NSFJQ0016)

四川省哲学社会科学规划一般项目(SC23TJ027)

唐仲英基金会项目(2022009)

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Non-linear relationship between older adults' active travel behavior and the built environment

  • Dong WEI ,
  • Linchuan YANG , *
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  • Department of Urban and Rural Planning, School of Architecture, Southwest Jiaotong University, Chengdu 611756, China

Received date: 2024-04-20

  Online published: 2025-04-19

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摘要

活力出行不仅是老年人重要的体力活动方式，也是其日常出行的关键组成部分。然而，它与建成环境之间的非线性关系仍未得到充分揭示。研究基于成都市综合交通调查数据及多源大数据，构建可解释机器学习框架（随机森林融合SHAP模型），系统解析社区建成环境对老年人活力出行倾向的非线性影响。结果发现，健康设施可达性、步道率和绿视率是影响老年人活力出行倾向最为显著的建成环境要素。各建成环境变量与老年人活力出行倾向之间均呈现复杂的非线性关系，并表现出显著的“阈值”效应。健康设施可达性和绿视率等指标的影响是非对称的：低值带来的抑制作用远远大于高值的促进作用。

关键词： 建成环境; 老年人; 活力出行; 出行行为; 机器学习

本文引用格式

魏东 , 杨林川 . 老年人活力出行行为与建成环境的非线性关系[J]. 科技导报, 2025 , 43(6) : 74 -83 . DOI: 10.3981/j.issn.1000-7857.2024.04.00319

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