OBJECTIVES The aims of this study were to examine (a) associations of two metric and space syntax measures of street layout with the cognitive function of Japanese older adults and (b) the extent to which objectively assessed physical activity mediated such associations. METHODS Cross-sectional data from 277 older adults who lived in Japan were used. Street layout attributes were objectively calculated for each participant's geocoded home location. The Mini-Mental State Examination was used to evaluate cognitive function. Physical activity was objectively assessed with accelerometers. RESULTS There was a statistically significant negative association between street integration and the odds of having cognitive impairment. Objectively assessed physical activity did not attenuate this relationship. CONCLUSIONS Our findings provide unique evidence regarding the importance of the topological aspects of street layouts in (re)designing neighborhoods to support mental illness.

中文翻译：

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日本社区中老年人的认知功能：街道布局的作用。

目的本研究的目的是研究（a）街道布局的两种度量和空间句法量度与日本老年人的认知功能的关联，以及（b）客观评估体力活动介导此类关联的程度。方法使用来自日本的277名老年人的横断面数据。为每个参与者的地理编码家庭位置客观地计算了街道布局属性。迷你精神状态检查被用来评估认知功能。用加速度计客观地评估了身体活动。结果街道整合与认知障碍几率之间存在统计学上的显着负相关。客观评估身体活动并不能减弱这种关系。