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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