The preference of onboard activities in a new age of automated driving

Hamadneh, Jamil; Esztergár-Kiss, Domokos

doi:10.1186/s12544-022-00540-7

European Transport Research Review

An Open Access Journal

Table 5 Panel data—mixed multinomial logistic regression

From: The preference of onboard activities in a new age of automated driving

Alternative	Attribute		Coefficient value (β)	Std. Error	z	P > z	Exp(B)
	Trip time	Time	− 0.029	0.005	− 5.270	0.000*	0.97
	Trip cost	Cost	− 0.002	0.0003	− 6.670	0.000*	1.00
	Onboard activity	Reading	0.268	0.077	3.490	0.000*	1.31
		Writing	− 0.111	0.082	− 1.211	0.117	0.89
		Talking	0.270	0.077	3.500	0.000*	1.31
		Using social media and gaming	0.311	0.077	4.050	0.000*	1.36
		Eating/drinking	0.077	0.080	1.875	0.031**	1.08
		Doing nothing/others	Base
SAV	The regular transport mode	Car as a driver	Base
		Car as a passenger	0.509	0.155	3.280	0.001*	1.66
		Taxi	0.207	0.282	0.730	0.463	1.23
		PT	0.278	0.173	1.610	0.10***	1.32
		Bicycle	0.091	0.010	0.930	0.352	1.10
		Walking	0.436	0.217	2.010	0.044**	1.55
		Others	0.009	0.396	1.20	0.235	1.01
	Age	15–24	Base
		25–54	− 0.502	0.195	− 2.570	0.010**	0.61
		55–64	− 0.382	0.419	− 1.385	0.166	0.68
		+ 65	0.466	0.630	0.740	0.460	1.59
	Job	Full-time worker	Base
		Part-time worker	− 0.006	0.181	− 0.630	0.529	0.99
		Student	− 0.333	0.134	− 2.470	0.013**	0.72
		Homemaker	− 0.356	0.226	− 1.580	0.115	0.70
		Unemployed	− 0.128	0.219	− 0.850	0.395	0.88
		Self-employed	0.021	0.425	0.650	0.514	1.02
		Retired	− 0.813	0.395	− 2.060	0.039**	0.44
		Others	0.725	0.649	1.420	0.156	2.06
	Car ownership	Yes	Base
		No	0.258	0.201	1.280	0.200	1.29
PT	The regular transport mode	Car as a driver	Base
		Car as a passenger	− 0.036	0.149	− 0.620	0.532	0.96
		Taxi	0.319	0.256	1.240	0.213	1.38
		PT	− 0.324	0.168	− 1.930	0.053***	0.72
		Bicycle	− 0.293	0.290	− 1.010	0.313	0.75
		Walking	− 0.152	0.215	− 0.971	0.331	0.86
		Others	− 1.393	0.522	− 2.670	0.008*	0.25
	Age	15–24	Base
		25–54	− 0.281	0.210	− 1.340	0.181	0.76
		55–64	− 0.205	0.386	− 0.872	0.383	0.81
		+ 65	2.241	0.874	2.570	0.010**	9.40
	Job	Full-time worker	Base
		Part-time worker	− 0.404	0.195	− 2.070	0.039**	0.67
		Student	− 0.264	0.136	− 1.940	0.052***	0.77
		Homemaker	− 0.727	0.245	− 2.970	0.003*	0.48
		Unemployed	− 0.424	0.135	− 1.800	0.072***	0.65
		Self-employed	0.723	0.262	2.000	0.046**	2.06
		Retired	− 2.492	0.359	− 4.460	0.000*	0.08
		Others	− 1.274	0.325	− 1.340	0.180	0.28
	Car ownership	Yes	Base
		No	0.243	0.144	1.501	0.133	1.28
SAV		β₀	− 0.145	0.202	− 0.720	0.471	0.87
PT		β₀	0.217	0.199	1.090	0.277	1.24
IR-AV		Base
The number of observations = 9450
Chi2(2) = 330.29
Log simulated-likelihood = − 3310.88
Prob > chi2 = 0.000
AIC = 6705.771
BIC = 6960.088

*p < 0.01; **p < 0.05; ***p < 0.1

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