Table 1.

Participants’ sociodemographic information (N = 418).

Gender (%)
Male	50.7
Female	49.3
Age (years) (%)
18–25	35.6
26–30	30.1
31–40	28.5
41–50	5.0
51–60	0.7
Education (%)
Middle school	2.2
High school	6.0
Vocational school	13.4
Bachelor	66.3
Master	11.2
PhD	1.0
Financial situation (%)
Not very good	31.1
Difficult	4.3
Modest	47.4
Reasonable	16.5
Well-off	0.7
Your average number of trips outside your residential city per year:
0	8.4
1–2 times	54.8
3–4 times	29.4
5–6 times	4.8
7 and more	2.6