Assessing the Impacts of Stay-in-Place Policy of COVID-19 Pandemic during the Chinese Spring Festival: A Stated Preference Approach

Table 3

Estimation results of the final model.

	Estimate	Std. error	values		Estimate	Std. error	.values
Panel effect	1.800611	0.104454	0.0001
	COVID-19-care class				Trip-care class
Alternative-specific constant
Conventional railway	7.997449	2.219578	0.0003		1.092724	0.902121	0.2258
High-speed railway	9.841382	2.280200	0.0001		−1.747842	1.096703	0.1110
Private car	4.064016	1.955903	0.0377		−0.916661	0.746893	0.2197
Stay in place	0.000000				0.000000
Alternative-specific attribute
Travel time
Conventional railway	0.004029	0.126532	0.9746	−1.040597		0.158513	0.0001
High-speed railway	−0.033325	0.231755	0.8857	−0.974192		0.317450	0.0021
Private car	0.212808	0.217407	0.3277	−0.463382		0.122272	0.0002
Ticket fare
Conventional railway	−0.011552	0.005766	0.0451	−0.033681		0.007371	0.0001
High-speed railway	−0.004431	0.002220	0.0459	−0.011583		0.002940	0.0001
Seat class (conventional railway)
Hard berth	0.039716			0.533920
Hard seat	0.002715	0.223989	0.9903	−0.156376		0.257217	0.5432
Soft berth	0.357021	0.217251	0.1003	0.402044		0.258284	0.1196
Standing-room only	−0.399452	0.232867	0.0863	−0.779588		0.269298	0.0038
Seat class (high-speed railway)
First class	−0.291001			0.576797
Second class	1.057980	0.240335	0.0001	0.073848		0.270726	0.7850
Business class	0.248026	0.208970	0.2353	0.110066		0.258180	0.6699
Standing-room only	−1.015005	0.214643	0.0001	−0.760711		0.296179	0.0102
Context attribute
Subsidy	0.001376	0.000551	0.0126	0.000133		0.000113	0.2412
Confirmed cases in hometown
Yes	−0.627689			0.421307
No	0.627689	0.643440	0.3293	−0.421307		0.134650	0.0018
Quarantine policy in hometown
No quarantine policies	−5.013357			−0.236481
No quarantine needed with valid negative test reports	−0.639765	1.345637	0.6345	0.021119		0.179377	0.9063
Home quarantine for 14 days	2.156989	1.026747	0.0357	0.237127		0.177920	0.1826
Quarantined in hotels for 14 days	3.496133	1.066590	0.0010	−0.021765		0.196350	0.9117
Decisions from social networks
All stay in place	2.631740			−0.138801
Most stay in place	0.819895	0.763138	0.2827	0.260562		0.177990	0.1432
A few stay in place	−1.883353	0.681702	0.0057	0.042470		0.173286	0.8064
None stay in place	−1.568282	0.748591	0.0362	−0.164231		0.177038	0.3536
Std. deviation of error component between conventional and high-speed railway	3.228615	1.001238	0.0013	6.322326		1.018145	0.0001
Latent class membership
Age
Above 40				0.563990
31∼40				0.490777		0.126844	0.0001
25∼30				−0.364855		0.111166	0.0010
Lower than 25				−0.689912		0.146704	0.0001
Marital status
Single				0.447999
Married (with kids)				−0.232936		0.093271	0.0125
Married (no kids)				−0.215063		0.100966	0.0332
Constant				0.943526		0.110246	0.0001
No. of observations	4544
No. of respondents	568
No. of scrambled Halton draws	100
Initial loglikelihood	−6299.322
Final loglikelihood	−4310.362
Rho-squared	0.3157
Adj. Rho-squared	0.3070

value <0.01; value <0.05; value <0.1.