School of Physical Education, Southwest Jiaotong University, Chengdu, China.
Department of Urban and Rural Planning, School of Architecture, Southwest Jiaotong University, Chengdu, China.
Front Public Health. 2022 Aug 26;10:1003791. doi: 10.3389/fpubh.2022.1003791. eCollection 2022.
Population aging has become a severe issue facing most nations and areas worldwide-with Hong Kong being no exception. For older adults, walking is among the most well-liked travel modes, boosting their overall health and wellbeing. Some studies have confirmed that the built environment has a significant (spatially fixed) influence on older adults' walking behavior. However, little consideration has been given to the potential spatial heterogeneity in such influences. Hence, this study extracted data on older adults' (outdoor) walking behavior from the 2011 Hong Kong Travel Characteristics Survey and measured a series of built environment attributes based on geo-data (e.g., Google Street View imagery). Logistic regression and geographically weighted logistic regression models were developed to unveil the complicated (including spatially fixed and heterogeneous) association between the built environment and older adults' propensity to walk. We show that population density, land-use mix, street greenery, and access to bus stops are positively connected with the propensity to walk of older adults. Intersection density seems to impact walking propensity insignificantly. All built environment attributes have spatially heterogeneous effects on older adults' walking behavior. The percentage of deviance explained is heterogeneously distributed across space.
人口老龄化已成为全球大多数国家和地区面临的严峻问题，香港也不例外。对于老年人来说，步行是最受欢迎的出行方式之一，有助于提升他们的整体健康和幸福感。一些研究证实，建筑环境对老年人的步行行为具有显著的（空间固定的）影响。然而，人们很少考虑到这种影响的潜在空间异质性。因此，本研究从 2011 年香港出行特征调查中提取了老年人（户外）步行行为数据，并基于地理数据（如谷歌街景图像）测量了一系列建筑环境属性。本研究采用逻辑回归和地理加权逻辑回归模型，揭示了建筑环境与老年人步行倾向之间复杂的（包括空间固定和异质的）关联。研究结果表明，人口密度、土地利用混合度、街道绿化和公共汽车站可达性与老年人的步行倾向呈正相关。交叉口密度对步行倾向的影响似乎不显著。所有建筑环境属性对老年人的步行行为都具有空间异质的影响。可解释的偏差百分比在空间上呈异质分布。
