Research Article
Exploring Factors Contributing to Crash Injury Severity in the Rural-Urban Fringe of the Central City
Table 4
Assign transform of dummy variables.
| | Influence factor | Category | Variable 1 | Variable 2 | Variable 3 | Variable 4 | Variable 5 | Variable 6 | Variable 7 | Variable 8 |
| | Time of day | 00 : 00–02 : 59 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 03 : 00–05 : 59 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | | 06 : 00–08 : 59 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | | 09 : 00–11 : 59 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | | 12 : 00–14 : 59 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | | 15 : 00–17 : 59 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | | 18 : 00–20 : 59 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | | 21 : 00–23 : 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| | Vehicle type | Large passenger vehicle | 1 | 0 | 0 | 0 | 0 | — | — | — | | Small passenger vehicle | 0 | 1 | 0 | 0 | 0 | — | — | — | | Car | 0 | 0 | 1 | 0 | 0 | — | — | — | | Heavy vehicle | 0 | 0 | 0 | 1 | 0 | — | — | — | | Motorcycle | 0 | 0 | 0 | 0 | 1 | — | — | — | | Other | 0 | 0 | 0 | 0 | 0 | — | — | — |
| | Road features | Straight road section | 1 | 0 | — | — | — | — | — | — | | Curved road section | 0 | 1 | — | — | — | — | — | — | | Intersection | 0 | 0 | — | — | — | — | — | — |
| | Crash type | Collision | 1 | 0 | 0 | 0 | — | — | — | — | | Vehicle-pedestrian crash | 0 | 1 | 0 | 0 | — | — | — | — | | Rear-end crash | 0 | 0 | 1 | 0 | — | — | — | — | | Rollover | 0 | 0 | 0 | 1 | — | — | — | — | | Collision fixtures | 0 | 0 | 0 | 0 | — | — | — | — |
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