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Table 7 Summary of address-level hard- threshold indicator and ULI (in italics) distribution

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

 

Hard threshold ULI

Mean ± SD

25th p.

Median

75th p.

Min.

Max.

Raw indicators

      

Walkability†

0.0 ± 2.4

− 1.3

− 0.1

1.0

− 7.4

13.4

 Daily Living (/3)†

1.8 ± 1.0

1.0

2.0

3.0

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)†

7.1 ± 3.7

4.0

7.0

10.0

0.0

16.0

Public transport access meets policy (%)†

68.4 ± 46.5

0.0

100.0

100.0

0.0

100.0

Large park access (%)†

49.0 ± 50.0

0.0

0.0

100.0

0.0

100.0

Air pollution (predicted NO2 ppb.)

8.9 ± 2.6

7.1

8.7

0.3

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 (compressed outliers)

      

Walkability†

−0.1 ± 2.1

− 1.3

− 0.1

1.0

− 7.2

7.2

 Daily Living (/3)†

1.8 ± 1.0

1.0

2.0

3.0

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)†

7.1 ± 3.7

4.0

7.0

10.0

0.0

16.0

Public transport access meets policy (%)†

68.4 ± 46.5

0.0

100.0

100.0

0.0

100.0

Large park access (%)†

49.0 ± 50.0

0.0

0.0

100.0

0.0

100.0

Air pollution (predicted NO2 ppb.)

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 ± 4.9

95.9

99.4

102.5

83.1

118.9

ULI including air quality*†

99.1 ± 3.8

96.6

99.2

101.7

84.9

112.6

 Walkability

100.0 ± 10.0

94.1

99.7

104.9

66.6

134.2

  Daily Living (/3)†

100.0 ± 10.0

92.3

101.9

111.5

82.7

111.5

  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

91.6

99.8

108.0

80.7

124.3

Public transport access meets policy (%)†

100.0 ± 10.0

85.3

106.8

106.8

85.3

106.8

Large park access (%)†

100.0 ± 10.0

90.2

90.2

110.2

90.2

110.2

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
  3. † Indicators or composite indices with values which may be impacted by choice of hard- or soft- destination threshold