Modeling Mode Choice Behavior Incorporating Household and Individual Sociodemographics and Travel Attributes Based on Rough Sets Theory

Table 1

Attributes and their descriptions.

Dimension	Attribute	Category
Household characteristics	Household size	1-2 persons; 3-4 persons; 5+ persons
	Household annual income	<30,000^*; 30,000–60,000; 60,000–90,000; 90,000–120,000; 120,000–150,000; >150,000
	Car ownership	Yes; no
	Bicycle ownership	Yes; no
	Moped ownership	Yes; no
Individual characteristics	Gender	Male; female
	Occupation	Student; worker; employee; officer; businessman; retired; other
	Age	6~19; 20~29; 30~39; 40~49; 50~59; 60+
	Education	Middle school or below; high school; college
	License ownership	Yes; no
Travel attributes	Purpose	Work; school; business; leisure; bring/get someone; visit; other
	Distance	(0, 2 km]; (2, 5 km]; (5 km, +)
	Mode	Foot; bicycle; SOV; transit; car

Note: ^*the unit is Yuan (RMB).