Research Article
Impact of Urban Undersea Tunnel Longitudinal Slope on the Visual Characteristics of Drivers
Table 2
Basic information of the participants.
| The number of participants | Age | Driving age |
| 20 | 22–46 years old | 3–20 years | 6 females | 14 males | M = 33.850 | SD = 6.952 | M = 6.905 | SD = 3.987 |
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