Research Article
The Impact of Uncertainty on Pedestrians’ Decision to Start Roadway Crossing during the Clearance Phase
| Category variables | With countdown timer | Without countdown timer | Levels | Cross | Wait | Cross | Wait | Number | % | Number | % | Number | % | Number | % |
| Gender | Males | 97 | 71.9 | 38 | 28.1 | 35 | 25.0 | 105 | 75.0 | Females | 110 | 61.1 | 70 | 38.9 | 45 | 20.1 | 179 | 79.9 |
| Age | <20 | 15 | 93.8 | 1 | 6.3 | 2 | 6.1 | 31 | 93.9 | 21–30 | 89 | 96.7 | 3 | 3.3 | 38 | 29.0 | 93 | 71.0 | 31–40 | 69 | 87.3 | 10 | 12.7 | 11 | 15.9 | 58 | 84.1 | 41–50 | 22 | 47.8 | 24 | 52.2 | 8 | 19.0 | 34 | 81.0 | 51–60 | 12 | 23.1 | 40 | 76.9 | 16 | 28.6 | 40 | 71.4 | >60 | 0 | 0.0 | 30 | 100.0 | 5 | 15.2 | 28 | 84.8 |
| Distractions | No | 204 | 73.4 | 74 | 26.6 | 73 | 23.7 | 235 | 76.3 | Yes | 3 | 8.1 | 34 | 91.9 | 7 | 12.5 | 49 | 87.5 |
| Group | No | 154 | 73.7 | 55 | 26.3 | 72 | 27.0 | 195 | 73.0 | Yes | 53 | 50.0 | 53 | 50.0 | 8 | 8.2 | 89 | 91.8 |
| Pedestrian position | Closer to the vehicles | 142 | 64.3 | 79 | 35.7 | 33 | 18.5 | 145 | 81.5 | Further from the vehicles | 65 | 69.1 | 29 | 30.9 | 47 | 25.3 | 139 | 74.7 |
| | Total | 207 | 65.7 | 108 | 34.3 | 80 | 22.0 | 284 | 78.0 |
| Continuous variables | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Number of crossing pedestrians | 1.5 | 2.0 | 1.64 | 1.87 | 1.99 | 2.59 | 1.46 | 1.93 | Number of waiting pedestrians | 0.4 | 0.8 | 1.38 | 1.34 | 0.20 | 0.56 | 0.31 | 0.59 | Arrival time (second of the clearance time) | 4.7 | 1.8 | 4.03 | 1.68 | 6.11 | 2.33 | 5.43 | 2.25 |
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