Skip to main content

Table 1 Demographics of study subjects

From: Antilock braking system effectiveness in prevention of road traffic crashes in Iran

Demographics

Mean (±SD)

Median

Age of drivers (years)

40(±10.0)

39.0

Daily driving time (hours)

2.2(±1.9)

2.0

Number of intercity trips per week

3.9(±2.3)

3.5

Age of car (years)

4.0(±1.7)

4.0

  1. SD: Standard Deviation.