|
Socio-demographic characteristics
| | |
|
Sex (female),% (n)
|
43.5 (10)
|
38.7 (12)
|
|
Age, mean years (SD)
|
37 (12)
|
37 (11)
|
|
Education level, % (n)
| | |
|
High school/trade school
|
4.3 (1)
|
3.2 (1)
|
|
College
|
21.7 (5)
|
19.4 (6)
|
|
Undergraduate
|
26.1 (6)
|
32.3 (10)
|
|
Graduate
|
47.8 (11)
|
45.2 (14)
|
|
Occupation, % (n)
| | |
|
Student
|
21.7 (5)
|
19.4 (6)
|
|
Freelancer
|
13.0 (3)
|
9.7 (3)
|
|
Part-time employed
|
13.0 (3)
|
9.7 (3)
|
|
Full-time employed
|
52.2 (12)
|
61.3 (19)
|
|
Annual household income, % (n)
| | |
|
< 20,000$
|
26.0 (6)
|
19.4 (6)
|
|
20,000, 50,000$
|
13.0 (3)
|
16.2 (5)
|
|
50,000, 75,000$
|
21.7 (5)
|
19.4 (6)
|
|
75,000, 99,000$
|
26.1 (6)
|
25.8 (8)
|
|
> 100,000$
|
8.6 (2)
|
12.9 (4)
|
|
No answer
|
4.3 (1)
|
6.5 (2)
|
|
Mobility potential
| | |
|
Has driver’s license (yes), % (n)
|
73.9 (17)
|
80.6 (25)
|
|
Has access to a car (yes), % (n)
|
21.7 (5)
|
25.8 (8)
|
|
Has car-sharing membership (yes), % (n)
|
17.4 (4)
|
19.4 (6)
|
|
Activity-related characteristics
| | |
|
Questionnaire locations
| | |
|
Min, max
|
4, 8
|
3, 9
|
|
Mean (SD)
|
6.4 (1.3)
|
6.1 (1.6)
|
|
Days with GPS data
| | |
|
Min, max
|
5, 9
|
---
|
|
Mean (SD)
|
7.7 (1.3)
|
---
|
|
GPS activity locations
| | |
|
Min, max
|
3, 49
|
---
|
|
Mean (SD)
|
12.7 (10.7)
|
---
|
|
Prompted recall locations
| | |
|
Min, max
|
---
|
4, 35
|
|
Mean (SD)
|
---
|
12.9 (7.4)
|
