Table 4: Estimations of middle-income group ( -statistics are in parentheses).

HSRConventional railAirRoad

Constant2.3909 (6.881)
Travel time (h)−0.7663 (−8.914)−0.4649 (−3.718)−0.7663 (−8.914)−0.4649 (−3.718)
Travel cost (CNY/100)−1.0534 (−8.885)−1.4410 (−3.208)−1.0534 (−8.885)−1.4410 (−3.208)
Profession 0.3680 (2.329)0.3680 (2.329)0.3680 (2.329)
Trip purpose0.3809 (2.583)0.3809 (2.583)
Logsum1.3068 (8.266)
0.3368
Sample size1431
VOTT (CNY/h)72.75