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Table 8 Part-worth utilities of the measure attribute levels across the subgroups

From: Preferences for policy measures to regulate urban vehicle access for climate change mitigation

 

Part-worth utility (95% confidence interval)

 

Subgroup 1

Subgroup 2

Subgroup 3

Policy coverage area

 City centre

16.25 (6.64, 25.85)

27.33 (19.79, 34.87)

− 12.87 (− 17.17, − 8.57)

 Wider city area

− 16.25 (− 25.85, -6.64)

− 27.33 (− 34.87, − 19.79)

12.87 (8.57, 17.17)

Policy effective period

 Mon–Fri (7–19)

46.60 (35.06, 58.15)

7.55 (0.56, 14.54)

5.05 (− 2.59, 12.68)

 Mon–Fri (0–24)

− 4.94 (− 12.52, 2.64)

− 8.17 (− 12.18, − 4.17)

5.70 (− 0.72, 12.13)

 Sun–Sat (0–24)

− 41.67 (− 50.16, − 33.17)

0.62 (− 5.56, 6.81)

− 10.75 (− 20.93, − 0.57)

Affected vehicles

 Non-green plates only

− 19.68 (− 28.79, − 10.57)

− 24.30 (− 30.96, − 17.63)

− 42.29 (− 47.82, − 36.75)

 All vehicles

19.68 (10.57, 28.79)

24.30 (17.63, 30.96)

42.29 (36.75, 47.82)

Access fee

 No

49.27 (36.92, 61.63)

− 31.32 (− 36.88, − 25.76)

129.28 (121.56, 136.99)

 Yes

− 49.27 (− 61.63, − 36.92)

31.32 (25.76, 36.88)

− 129.28 (− 136.99, − 121.56)

Revenue allocation to transport development

 Less than 25%

− 26.42 (− 35.50, − 17.33)

− 71.15 (− 78.83, -63.47)

− 12.26 (− 24.40, − 0.11)

 25–75%

20.57 (14.58, 26.55)

25.27 (20.83, 29.72)

11.87 (7.73, 16.02)

 Greater than 75%

5.85 (− 1.93, 13.63)

45.87 (37.91, 53.84)

0.39 (− 12.19, 12.97)

Monitoring

 Manual

− 16.33 (− 24.63, − 8.03)

− 42.82 (− 46.94, − 38.70)

− 12.86 (− 19.73, − 5.99)

 Automated

16.33 (8.03, 24.63)

42.82 (38.70, 46.94)

12.86 (5.99, 19.73)

None

387.83 (357.21, 418.45)

− 209.60 (− 226.97, − 192.24)

− 111.32 (− 122.36, − 100.29)

Fit statistic (RLH)

0.65

0.55

0.70

  1. Part-worth utilities are to be compared within one attribute and one subgroup (not across attributes and subgroups)