| |
Adjusted ratiob (95 % CI)
|
|---|
| |
Trips
|
Kilometers
|
|---|
| |
Age 16
|
Age 17
|
Age 16
|
Age 17
|
|---|
|
Driver
|
0.84 (0.71, 1.00)
|
0.94 (0.83, 1.07)
|
0.79 (0.63, 0.98)
|
0.80 (0.63, 1.03)
|
|
Other methods
|
1.03 (0.93, 1.14)
|
0.94 (0.84, 1.06)
|
1.00 (0.82, 1.22)
|
1.07 (0.84, 1.35)
|
|
Passenger in passenger vehicles
|
1.09 (0.96, 1.25)
|
0.90 (0.77, 1.04)
|
0.92 (0.73, 1.15)
|
1.00 (0.76, 1.31)
|
|
Bus rider
|
1.04 (0.81, 1.35)
|
1.26 (0.94, 1.67)
|
1.45 (0.99, 2.11)
|
1.24 (0.85, 1.80)
|
|
Bicyclist
|
1.16 (0.61, 2.19)
|
1.04 (0.48, 2.27)
|
0.75 (0.34, 1.66)
|
2.44 (0.97, 6.13)
|
|
Pedestrian
|
1.01 (0.78, 1.31)
|
1.14 (0.83, 1.55)
|
0.84 (0.61, 1.15)
|
1.09 (0.76, 1.55)
|
|
All trips
|
0.98 (0.91, 1.05)
|
0.95 (0.89, 1.01)
|
0.90 (0.78, 1.04)
|
0.91 (0.76, 1.09)
|
- Abbreviation: CI confidence interval
-
aData from the US National Household Travel Survey
-
bAdjusted ratios compare the average annual number of trips or trip kilometers by respondents exposed to graduated driver licensing with those not exposed, adjusted for changes over time. Exposure to graduated driver licensing means living in a state that had graduated driver licensing laws
