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Table 3 Multivariate logistic regression of VRU fatalities and potential risk factors

From: Evaluating the effect of drunk driving on fatal injuries among vulnerable road users in Taiwan: a population-based study

 

β

AOR (95% CI)

P value

Sex of drivers

 Male (vs. female)

0.44

1.55 (1.45–1.67)

< 0.001

Sex of VRUs

 Male vs. female

0.49

1.63 (1.55–1.72)

< 0.001

Age of VRUs

 0–17

–

1.00 (reference)

–

 18–40

0.04

1.04 (0.90–1.21)

0.598

 41–64

0.82

2.26 (1.95–2.63)

< 0.001

  ≥ 65

1.66

5.24 (4.53–6.07)

< 0.001

Time period

 Rush hour

–

1.00 (reference)

–

 Daytime

0.01

0.99 (0.93–1.06)

0.802

 Evening

0.23

1.25 (1.14–1.37)

< 0.001

 Night

1.51

4.52 (4.22–4.84)

< 0.001

Municipality

 County (vs. municipality)

0.20

1.22 (1.16–1.28)

< 0.001

Speed limit

 ≥ 50 km/h

0.25

1.29 (1.21–1.37)

< 0.001

Light

 Natural day light

–

1.00 (reference)

–

 Dawn or twilight

0.02

0.98 (0.87–1.11)

0.780

 Night with illumination

0.18

1.20 (1.12–1.29)

< 0.001

 Night without illumination

0.86

2.37 (2.05–2.75)

< 0.001

Road type

 Not crossroad (vs. crossroad)

0.05

1.05 (1.00–1.10)

0.072

Road surface

 Dry road (vs. conditional)

0.29

1.34 (1.24–1.44)

< 0.001

Road defect

 Defect (vs. intact)

0.32

1.37 (0.97–1.93)

0.072

Sight obstructed

 Sight obstructed (vs. good sight)

0.33

1.39 (1.24–1.56)

< 0.001

BAC of drivers

 nil

–

1.00 (reference)

–

 0.01–0.03%

0.76

2.14 (1.79–2.58)

< 0.001

 0.031–0.05%

0.68

1.97 (1.46–2.65)

< 0.001

 0.05–0.08%

0.76

2.06 (1.58–2.69)

< 0.001

 0.08–0.11%

1.03

2.79 (2.14–3.63)

< 0.001

  > 0.11%

1.00

2.73 (2.30–3.23)

< 0.001

License status of drivers

 Unlicensed

0.71

2.03 (1.82–2.26)

< 0.001

Automobile type

 Heavy-duty vehicle

1.04

2.83 (2.26–3.55)

< 0.001

 Passenger car

−0.71

0.49 (0.39–0.61)

< 0.001

 Special car

–

1.00 (reference)

–

VRU type

 Motorcyclist

–

1.00 (reference)

–

 Bicyclist

0.29

1.33 (1.23–1.45)

< 0.001

 Pedestrian

0.77

2.17 (2.02–2.32)

< 0.001

Injured body region of VRUs

 Head and neck

2.52

12.38 (11.78–13.02)

< 0.001

 AUC (95%CI)

0.913 (0.910–0.917)