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Table 3 Distribution of cases and controls according to factors related to the road and the environment

From: Effect of wearing a helmet on the occurrence of head injuries in motorcycle riders in Benin: a case-control study

Variables

Head injuries (% or Mean ± sd)

p-value

Yes (n = 242)

No (n = 484)

Type of road

  

0.397

 National Inter-State Road

18.2

13.8

 

 Rural track

6.2

5.2

 

 National road

21.5

22.1

 

 Alley

54.1

58.9

 

Road condition

  

0.804

 Good

78.5

79.6

 

 Poor

17.8

16.1

 

 Under construction

3.7

4.3

 

Antagonist

  

0.006

 No antagonist

19.8

12.4

 

 Stationary vehicles or obstacles

8.3

5.4

 

 Moving vehicles

64.9

77.1

 

 Pedestrians, animals or moving objects

7.0

5.2

 

Weather conditions

  

0.775

 Good

92.2

91.5

 

 Bad

7.8

8.5

 

Visibility

  

0.003

 Good

64.5

76.2

 

 Acceptable

14.4

11.0

 

 Poor

21.1

12.8

 

Time of day

  

0.070

 Dusk

14.9

15.1

 

 Dawn

6.2

6.2

 

 Day

45.9

54.5

 

 Night

33.0

24.2

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