Environmental equity (EE) has become internationally recognized as an important research field, but in Japan limited quantitative research is available. In this paper we report the results of a quantitative study that tested whether objective and perceived accessibility to parks is disproportionately distributed between the affluent and the poor in Osaka Prefecture, Japan. Perceived accessibility is considered to be a more accurate accessibility measure which reflects the socio-cultural background of people. We find inequities in both accessibility measures, and using multiple logistic regression analysis, we clarified that perceived accessibility is shaped by a range of factors (i.e., income level, objective accessibility to parks, and people’s perceptions of traffic accidents, crime, and the level of scenic beauty in the neighboring area). Our results provide some insight into remediation measures for the environmental inequity of perceived accessibility. Simply establishing a new urban park may not sufficiently increase the perceived accessibility of socioeconomically deprived groups. Identifying the underlying mechanisms that could explain how poverty-related factors undermine the perceived park accessibility or improving the quality of neighboring area are also important to ensure the effectiveness of remediation measures.

环境公平（EE）已成为国际公认的重要研究领域，但是在日本，有限的定量研究可用。在本文中，我们报告了一项定量研究的结果，该研究测试了日本大阪府的富裕人群和穷人之间，公园的客观可达性和可感知的可达性是否不成比例地分布。感知的可访问性被认为是一种更准确的可访问性度量，它反映了人们的社会文化背景。我们发现在可及性指标上均存在不平等现象，并且使用多元逻辑回归分析，我们澄清了可及性是由一系列因素决定的（例如收入水平，客观可及性，公园可及性，人们对交通事故，犯罪和程度的看法）。附近的风景名胜）。我们的结果提供了一些针对可访问性的环境不平等的补救措施的见解。简单地建立一个新的城市公园可能不足以增加社会经济贫困群体的可及性。确定可以解释与贫困有关的因素如何破坏感知的公园可及性或改善邻近地区质量的基本机制，对于确保补救措施的有效性也很重要。