個人の全体的な生活の質を考察するには,生活におけるさまざまな目的地の利便性を総体的にとらえられる認知 的アクセシビリティの指標を用いた議論が必要である.都市政策における自動車依存からの脱却の方向性も踏まえ, 本稿の目的は,もし自動車が使えなくても,日常生活で必要あるいは望む活動が十分にできるか否かというアクセ シビリティの総体的感覚(Sense of Accessibility: SA)の指標と,客観的なウォーカビリティ指標(WI) ,および近 隣環境・個人の属性との関係を考察することとした.順序ロジスティック回帰分析の結果,WI はほぼ一貫して SA と有意な正の相関を示した.WI の構成要素の中では,人口密度が SA と強い相関を示した.回答者の性別,年齢, 世帯類型は,自動車利用頻度の高低で SA との相関の正負や強さが大きく異なっていた.この結果は,昨今の都市 政策の方向性をある程度支持する一方,自動車に依存しない生活への支援を要する個人の存在も示唆している.It is essential to examine individualsʼ overall quality of life using a generic index of perceived accessibility to a set of destinations in their everyday lives. This study thus investigated the correlation between the Sense of Accessibility (SA; that is, resi-dentsʼ overall feelings of [in]convenience in their everyday lives) without a vehicle, objective Walkability Index (WI), and neighborhood environment and personal factors, considering current trends in urban policy to reduce peopleʼs reliance on the automobile. The estimated results of ordinary regression models demonstrated that WI scores were almost consistently and positively correlated with SA. Among the WI components, population density was strongly associated with SA. Gender, age, and household structure were differently associated with SA depending on the frequency of car usage. These results support current urban policy trends to some extent, while they also suggest that some individuals need assistance to adapt to new lifestyles without cars.
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