Discrete Dynamics in Nature and Society / 2014 / Article / Tab 1

Research Article

Activity-Trip Chaining Behavior of Urban Low-Income Populations in Nanjing, China: A Structural Equations Analysis

Table 1

Endogenous variables and exogenous variables.

VariableLabelNotes

Exogenous
variables
Household
characteristics
Residential locationBig_zoneMain urban area = 1, urban fringe = 2
Number of family members _people
Number of preschool children _kid
Annual household incomeIncome
Number of vehicles _car
Number of bikes _bike
Number of electric bicycles _ebike
Individual
characteristics
GenderSexMale = 1, female = 2
JobJob9 categories
Transit IC card holdingICHold a bus IC card = 1, other = 0
AgeAge8 categories
Driving license holdingLicHold a driver’s license = 1, other = 0
Educational levelEdu4 categories

Endogenous
variables
Activity
duration
In-home activity _ Sleeping, dinner, housework, and so forth
Subsistence _ Work, work-related and school
Maintenance _ Obligations, and so forth
Leisure _ Amusement, exercise, relaxation, and so forth
Trip
chaining
Number of work chains _ Number of work related chains per day
Travel time of work chains _ Travel time of work chains per day
Number of non-work chains _ Number of non-work chains per day
Travel time of non-work chains _ Travel time of non-work chains per day