An objective index of walkability for research and planning in the Sydney Metropolitan Region of New South Wales, Australia: an ecological study

Table 1 Spearman’s rho correlations between population density, environmental variables and walkability indexes

	Population density	Residential dwelling density	Intersection density	Land use mix	Retail floor area ratio	Full index score	Abridged index score
Population density	1.00	0.76^†	0.41^†	0.42^†	0.00	0.58^†	0.70^†
Residential dwelling density	0.82^†	1.00	0.23^†	0.51^†	0.16^*	0.70^†	0.78^†
Intersection density	0.77^†	0.66^†	1.00	0.26^†	0.14^*	0.60^†	0.66^†
Land use mix	0.24^†	0.44^†	0.26^†	1.00	0.33^†	0.78^†	0.79^†
Retail floor area ratio	--	--	--	--	1.00	0.59^†	0.28^†
Full index score	--	--	--	--	--	1.00	0.93^†
Abridged index score	0.76^†	0.89^†	0.80^†	0.69^†	--	--	1.00

Upper diagonal shows data for the 263 City of Sydney Census Collection Districts and lower diagonal shows data for the 5,585 Sydney Metropolitan Region Census Collection Districts.
^*p < 0.05, ^†p < 0.0001.

ISSN: 1476-072X