Association of car colour with car crash injury in Auckland


Car colour

No (%) of cases (n=567)

No (%) of controls* (n=588)

Univariate odds ratio

Multivariable odds ratio{dagger}

White

145 (25.6)

146 (25.9)

1

1

Yellow

31 (5.5)

15 (2.8)

2.0 (1.0 to 4.0)

0.8 (0.3 to 2.3)

Grey

52 (9.2)

61 (10.0)

0.9 (0.6 to 1.5)

0.6 (0.3 to 1.3)

Black

36 (6.4)

34 (5.5)

1.2 (0.7 to 2.0)

2.0 (1.0 to 4.2)

Blue

91 (16.1)

96 (17.4)

0.9 (0.6 to 1.4)

0.9 (0.5 to 1.6)

Red

85 (15.0)

82 (13.3)

1.1 (0.7 to 1.8)

0.7 (0.4 to 1.4)

Green

42 (7.4)

44 (7.0)

1.1 (0.6 to 1.8)

1.8 (1.0 to 3.6)

Brown

55 (9.7)

49 (6.8)

1.4 (0.8 to 2.5)

2.1 (1.1 to 4.2)

Silver

30 (5.3)

61 (11.3)

0.5 (0.3 to 0.8)

0.4 (0.2 to 0.9)

P value





0.04

0.003

* Proportions of controls are adjusted for the cluster sampling design.

{dagger} Adjusted for driver's age, ethnicity, alcohol consumption in past 6 hours, seat belt use, vehicle speed, average driving time each week, driving licence status, vehicle insurance status, and weather.




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