Table 2 Univariate Distribution of Traffic Density Exposure (Number of Vehicles per Square Meter per Day)
Unweighted Traffic Density | Weighted Traffic Density | Truck Traffic Density | ||||
|---|---|---|---|---|---|---|
Measures | Study Population | Statewide Distribution | Study Population | Statewide Distribution | Study Population | Statewide Distribution |
Mean | 76.00 | 11.87 | 89.62 | 13.91 | 5.74 | 1.56 |
Median | 49.00 | 3.00 | 57.00 | 3.00 | 3.00 | 1.00 |
Standard Deviation | 84.65 | 32.73 | 102.23 | 38.53 | 7.23 | 2.45 |