Departure Time Choice (DTC) Behavior for Intercity Travel during a Long-Holiday in Bangkok, Thailand

Table 1

Definition and parameter abbreviation of each variable.

Variable	Sub-variable	Parameter	Details
1. Individual characteristics
1.1 Gender	GEN	βgen	= 1 if Male; else = 0
1.2 Age	Age1	βage1	= 1 if Traveler age is less than 20 Yrs. Old; else = 0
	Age2	βage2	= 1 if Traveler age is between 20-30 Yrs. Old; else = 0
	Age3	βage3	= 1 if Traveler age is between 30-40 Yrs. Old; else = 0
	Age4	βage4	= 1 if Traveler age is between 40-50 Yrs. Old; else = 0
	Age5	βage5	= 1 if Traveler age is between 50-60 Yrs. Old; else = 0
	Age6	βage6	= 1 if Traveler Age is more than 60 Yrs. Old; else = 0
1.3 Income	INC1	βinc1	= 1 if less than 5,000 Baht; else = 0
	INC2	βinc2	= 1 if between 5,000- 10,000 Baht; else = 0
	INC3	βinc3	= 1 if between 10,001-15,000 Baht; else = 0
	INC4	βinc4	= 1 if between 15,001-20,000 Baht; else = 0
	INC5	βinc5	= 1 if between 20,001-30,000 Baht; else = 0
	INC6	βinc6	= 1 if between 30,001-50,000 Baht; else = 0
	INC7	βinc7	= 1 if between 50,001-75,0000 Baht; else = 0
	INC8	βinc8	= 1 if between 75,001-100,000 Baht; else = 0
	INC9	βinc9	= 1 if more than 100,000 Baht; else = 0
1.4 Education level	EDU1	βedu1	= 1 if Lower than Grade 1; else = 0
	EDU2	βedu2	= 1 if between Grade 1-6; else = 0
	EDU3	βedu3	= 1 if between Grade 7-12; else = 0
	EDU4	βedu4	= 1 if between Undergraduate; else = 0
	EDU5	βedu5	= 1 if Bachelor Degree; else = 0
	EDU6	βedu6	= 1 if Above Bachelor; else = 0
1.5 Occupation	OC1	βocl	Professional/Academic = 1, else = 0
	OC2	βoc2	Student = 1, else = 0
	OC3	βoc3	Management = 1, else = 0
	OC4	βoc4	Government = 1, else = 0
	OC5	βoc5	Private sector = 1, else = 0
	OC6	βoc6	State enterprise = 1, else = 0
	OC7	βoc7	Driver = 1, else = 0
	OC8	βoc8	Engineering/Production = 1, else = 0
	OC9	βoc9	Live Stock = 1, else = 0
	OC10	βocl0	Agriculture = 1, else = 0
	OC11	βocl1	For hire = 1, else = 0
	OC12	βocl2	Services = 1, else = 0
	OC13	βocl3	Trader = 1, else = 0
	OC14	βocl4	Self-employed = 1, else = 0
	OC15	βocl5	Other = 1, else = 0
2. Household interaction
2.1 No. of Household member Work/Study (full-time)	FTMem0	βftmem0	= 1 if equal to 0; else = 0
	FTMem1	βftmem1	= 1 if equal to 1; else = 0
	FTMem2	βftmem2	= 1 if equal to 2; else = 0
	FTMem3	βftmem3	= 1 if equal to 3; else = 0
	FTMem4	βftmem4	= 1 if equal to 4; else = 0
	FTMem5	βftmem5	= 1 if More than 4; else = 0
2.2 Children under 4 yrs. in HH	CHILD4	βhhchd4	= 1 if ≥ one person; else = 0
2.3 Children under 13 yrs. in HH	CHILD13	βhhchd13	= 1 if ≥ one person; else = 0
2.4 No. of elderly over 65 yrs.	ELDAPP	βhhld	= 1 if ≥ one person; else = 0
2.5 Household income group	HHINC1	βhhinc1	= 1 if less than 5,000 Baht; else = 0
	HHINC2	βhhinc2	= 1 if between 5,000- 10,000 Baht; else = 0
	HHINC3	βhhinc3	= 1 if between 10,001-15,000 Baht; else = 0
	HHINC4	βhhinc4	= 1 if between 15,001-20,000 Baht; else = 0
	HHINC5	βhhinc5	= 1 if between 20,001-30,000 Baht; else = 0
	HHINC6	βhhinc6	= 1 if between 30,001-50,000 Baht; else = 0
	HHINC7	βhhinc7	= 1 if between 50,001-75,0000 Baht; else = 0
	HHINC8	βhhinc8	= 1 if between 75,001-100,000 Baht; else = 0
	HHINC9	βhhinc9	= 1 if more than 100,000 Baht; else = 0
3. Long-holiday trip characteristics
3.1 Trip purpose	TP1	βtp1	Return home = 1, else = 0
	TP2	βtp2	Leisure/Recreation = 1, else = 0
	TP3	βtp3	Other = 1, else = 0
3.2 Travel cost per head	TC_Head	βtc	Travel cost per head (Baht/head)
3.3 Travel time	TTall	βtt	Total travel time (Minute)
3.4 In-vehicle Travel time	IVT	βivt	In-vehicle Travel time (Minute)
3.5 Waiting time	WT	βwt	Total waiting time (Minute)
3.6 Number of transfers	NOFTRANS1	βntran1	= 1 if ≤ 2 times; else = 0
	NOFTRANS2	βntran2	= 1 if more than 2 times; else = 0
3.7 Full-time passenger Appearance	FTAPP	βftapp	= 1 if YES; else = 0
3.8 Number of passenger in trip	NPASS0	βnpass1	= 1 if equal to 0 (Drive alone); else = 0
	NPASS1	βnpass1	= 1 if equal to 1; else = 0
	NPASS2	βnpass2	= 1 if equal to 2; else = 0
	NPASS3	βnpass3	= 1 if equal to 3; else = 0
	NPASS4	βnpass4	= 1 if ≥ 4; else = 0
3.9 Children under 13 yrs appearance in trip	U13_tri	βu13	= 1 if ≥ one person; else = 0
3.10 Elderly passenger appearance in trip	ELD_tr	βeldtr	= 1 if ≥ one person; else = 0
3.11 Destination Preference	Destprf	βdestprf	= 1 if YES; else = 0
3.12 Length of stay at destination	Nostay1	βnstay1	= 1 if equal to 1 day; else = 0
	Nostay2	βnstay2	= 1 if equal to 2 days; else = 0
	Nostay3	βnstay3	= 1 if equal to 3 days; else = 0
	Nostay4	βnstay4	= 1 if equal to 4 days; else = 0
	Nostay5	βnstay5	= 1 if more than 4 days; else = 0
3.13 Type of payment	Payby1	βpayby1	= 1 if pay by yourself; else = 0
	Payby2	βpayby2	= 1 if pay by family; else = 0
	Payby3	βpayby3	= 1 if pay by other (sponsor); else = 0
3.14 Distance	Dist	βdist	travel distance (km)
	Sdist	βsdist	= 1 if less than 200 km; else = 0
	S400	βs400	= 1 if less than 400 km; else = 0
	S401	βs401	= 1 if more than 400 km; else = 0
	Mdist	βmdist	= 1 if between 200-600 km; else = 0
	Ldist	βldist	= 1 if more than 600 km; else = 0