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Table 6 Association of fatal RTCs with selected risk factors; multivariable-adjusted odds ratios (OR) from the binary logistic regression

From: Magnitude of, trends in, and associated factors of road traffic collision in central Ethiopia

Variables

Outcome

Crude OR

Adjusted OR

 

Fatal number (%)

Nonfatal number (%)

  

Place

    

  Adama

128 (32.9)

849 (44)

1 (reference)

1 (reference)

  Mojo

87 (22.4)

307 (15.9)

1.9 [1.4-2.5]**

1.36[0.97, 1.9]

  Bishoftu

84 (21.6)

301 (19.8)

1.5 [1.03-1.9]*

1.26[0.9, 1.77]

  Dukem

64 (16.5)

269 (13.9)

1.6[1.1-2.2]*

1.64[1.1, 2.3]*

  Gelan

26 (6.7)

123 (6.4)

1.4 [0.9-2.2]

1.6 [0.97-2.6]

Year

    

  July 2007 to June 2008

42 (10.8)

215 (11.2)

1 (reference)

1 (reference)

  July 2008 to June 2009

71 (18.3)

421 (21.9)

0.8[0.6-1.3]

1.08[0.7-1.7]

  July 2008 to June 2010

89 (22.9)

354 (18.4)

1.3[0.9-1.9]

1.75[1.1-2.7]*

  July 2010 to June 2011

91 (23.4)

393 (20.5)

1.2[0.8-1.8]

1.5[0.98-2.3]

  July 2011 to June 2012

96 (24.7)

540 (28)

0.91[0.6-1.4]

1.27[0.9-1.9]

Light condition

    

  Dark (midnight)

46 (12)

96 (5)

2.8[1.9-4]**

2.5[1.7-3.7]**

  Dark (early night/morning)

50 (13.1)

158 (8.2)

1.8[1.3-2.6]**

1.67[1.2-2.4]*

  Day light

278 (74.9)

1651 (86.8)

1 (reference)

1 (reference)

Sex

    

  Female

5 (1.3)

10 (0.5)

2.5[0.9-7.4]

4.74[1.5-15]*

  Male

379 (98.7)

1913 (99.5)

(reference)

1 (reference)

Cause of collision

    

  Careless driving

51 (13.1)

522 (27.1)

1.87[0.99-3.5]

1.78[0.9-3.4]

  Driving above speed limit

185 (47.6)

651 (33.8)

5.4[3–9.7]**

5.3[2.9-9.6]**

  Failing to give priority

101 (26)

406 (21.1)

4.76[2.6-8.6]**

5 [2.3-9.3] **

  Vehicle defect

10 (2.6)

10 (0.5)

19.2[6.8-54]**

19[6.4-56]**

  Road defect

1 (0.3)

4 (0.2)

4.78[0.5-46]

2.9[0.3-29]

  Pedestrian error

1 (0.3)

6 (0.3)

3.19[0.36-28.5]

3.9[0.4-35]

  Unknown cause

22 (5.7)

45 (2.3)

′9.36[4.4-20]**

8.3[3.6-18.8]**

  Others***

5 (1.3)

33 (1.7)

2.9[0.97-8.7]

2.3[0.8-7.2]

  Following too closely

13 (3.3)

249 (12.9)

1 (reference)

1 (reference)

  1. Overall P value *p <0.05 **p ≤0.001 ***cattle’s, horses running and failing under vehicles.