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Table 3 Summary of liveability indicator and ULI (in italics) distribution for residential lots

From: The Urban Liveability Index: developing a policy-relevant urban liveability composite measure and evaluating associations with transport mode choice

  Indicatorestimates
Mean ± SD 25th p. Median 75thp. Min. Max.
Raw indicators       
Walkability 0.0 ± 2.4 − 1.3 − 0.1 0.9 − 7.7 13.6
 Daily Living (/3) 1.7 ± 0.8 1.1 1.8 2.4 0.0 3.0
 Dwellings per Ha 14.1 ± 5.8 11.1 13.3 15.7 0.0 52.1
 3 + way street connections per km2 70.2 ± 20.5 60.3 67.4 76.2 2.0 201.2
Social infrastructure mix (/16) 6.8 ± 3.1 4.4 6.9 9.1 0.0 15.3
Public transport access meets policy (%) 64.5 ± 36.1 32.2 81.9 95.5 0.0 99.3
Large park access (%) 48.2 ± 39.9 4.1 47.2 91.9 0.0 99.3
Air pollution 8.9 ± 2.6 7.1 8.7 10.3 3.6 34.9
Affordable housing (SA1 %) 11.4 ± 8.9 5.4 10.5 16.2 0.0 100.0
Local work opportunities (SA2 %) 26.6 ± 11.2 19.4 24.4 29.7 10.0 68.7
Conditionally scaled indicators       
Walkability − 0.1 ± 2.1 − 1.3 − 0.1 0.9 − 7.2 7.3
 Daily Living (/3) 1.7 ± 0.8 1.1 1.8 2.4 0.0 3.0
 Dwellings per Ha 13.9 ± 4.9 11.1 13.3 15.7 0.0 31.4
 3 + way street connections per km2 69.2 ± 17.0 60.3 67.4 76.2 8.7 131.6
Social infrastructure mix (/16) 6.8 ± 3.1 4.4 6.9 9.1 0.0 15.3
Public transport access meets policy (%) 64.5 ± 36.1 32.2 81.9 95.5 0.0 99.3
Large park access (%) 48.2 ± 39.9 4.1 47.2 91.9 0.0 99.3
Air pollution 8.8 ± 2.3 7.1 8.7 10.3 3.6 16.6
Affordable housing (SA1 %) 11.1 ± 8.2 5.4 10.5 16.2 0.0 38.2
Local work opportunities (SA2 %) 26.2 ± 10.2 19.4 24.4 29.7 10.0 60.1
Normalised, conditionally scaled indicators, with composite index  
ULI 99.2.  ± .5.0 96.1 99.5 102.6 82.1 119.7
ULI including air quality* 99.2  ± 3.9 96.7 99.3 101.7 83.8 113.5
 Walkability 100.0 ± 10.0 94.3 99.7 104.7 66.5 134.3
  Daily living (/3) 100.0 ± 10.0 92.5 101.5 108.5 79.7 115.0
  Dwellings per Ha 100.0 ± 10.0 94.4 98.9 103.8 71.7 135.9
  3 + way street connections per km2 100.0 ± 10.0 94.8 99.0 104.1 64.3 136.8
Social infrastructure mix (/16) 100.0 ± 10.0 92.5 100.5 107.4 78.4 127.2
Public transport access meets policy (%) 100.0 ± 10.0 91.1 104.8 108.6 82.1 109.7
Large park access (%) 100.0 ± 10.0 89.0 99.7 110.9 87.9 112.8
Air quality 100.0 ± 10.0 93.5 100.5 107.4 66.2 122.7
Affordable housing (SA1 %) 100.0 ± 10.0 93.0 99.3 106.3 86.4 133.2
Local work opportunities (SA2 %) 100.0 ± 10.0 93.3 98.2 103.4 84.1 133.2
  1. Constituent sub-indicators contributing to walkability score are included for reference purposes
  2. * Sensitivity analysis