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Table 1 Distribution of cases and controls according to socio-demographic and economic factors

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)
Sex    0.042
Female 6.6 11.4  
Male 93.4 88.6  
Ethnic group     0.102
Bariba 8.3 6.2  
Dendi 2.5 3.3  
Fon and related 64.0 70.4  
Peulh 7.0 2.9  
Nago and related 11.6 12.2  
Other ethnicities 6.6 5.0  
Professional situation    0.334
Unemployed 1.6 3.9  
In employment 83.1 83.3  
Training 15.3 12.8  
Employment sector    0.630
Public or denominational 12.5 11.2  
Private 87.5 88.8  
Marital status    0.932
Single 30.6 29.3  
Married or engaged 67.3 68.4  
Divorced or widowed 2.1 2.3  
BMI 23.4 (3.8) 23.7 (3.5) 0.308
Age 35.6 (12.7) 36.7 (12.1) 0.262
Household size 5.0 (2.6) 4.9 (2.8) 0.620
Number of children < 18 years 2.0 (1.7) 1.9 (1.6) 0.279