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An Objective Index Of Walkability For Research And Planning In The Sydney Metropolitan Region Of New South Wales, Australia: An Ecological Study, Darren J. Mayne, Geoffrey Morgan, Alan Willmore, Nectarios Rose, Bin Jalaludin, Hilary Bambrick, Adrian Bauman
An Objective Index Of Walkability For Research And Planning In The Sydney Metropolitan Region Of New South Wales, Australia: An Ecological Study, Darren J. Mayne, Geoffrey Morgan, Alan Willmore, Nectarios Rose, Bin Jalaludin, Hilary Bambrick, Adrian Bauman
Illawarra Health and Medical Research Institute
Background: Walkability describes the capacity of the built environment to support walking for various purposes. This paper describes the construction and validation of two objective walkability indexes for Sydney, Australia.
Methods: Walkability indexes using residential density, intersection density, land use mix, with and without retail floor area ratio were calculated for 5,858 Sydney Census Collection Districts in a geographical information system. Associations between variables were evaluated using Spearman’s rho (ρ). Internal consistency and factor structure of indexes were estimated with Cronbach’s alpha and principal components analysis; convergent and predictive validity were measured using weighted kappa (κw) and by comparison with …