Table 1 Frequency distribution of driver’s related characteristics involved in RTCs between Akaki and Adama, central Ethiopia from July 2007 to June 2012

Age of driver (2274)

  ≤18

25

1.1

  19-30

1175

51.7

  31-50

916

40.3

  50+

158

6.9

Sex of driver (2318)

  Female

15

0.6

  Male

2303

99.4

Vehicle ownership (2299)

  Owner

344

15

  Hired

1923

83.6

  Others*

32

1.4

Educational status (2063)

  0-4

74

3.6

  5-8

712

34.4

  9-10

577

27.8

  11-12

497

24

  12+

212

10.2

Driving experience (1473)

  <1 year

129

8.7

  1-3years

401

27.2

  3-5 years

479

32.6

  5-10years

345

23.4

  10 + years

119

8.1

Driver’s license (2162)

  No driving license

26

1.2

  1st level

39

1.8

  2nd level

205

9.5

  3rd level

1009

46.7

  4th level

436

20.2

  5th level

432

20

  Special license

15

0.7

Vehicle has deficiency (2190)

  Yes

2171

99.1

  No

19

0.9

Weather condition (2318)

  Rainy

39

1.7

  Dry

2261

97.5

  Others**

18

0.8

Light condition (2294)

  Dark midnight

142

6.2

  Dark early night/morning

206

9

  Daylight

1946

84.8