Table A1.

Demographics of the focus groups.

Demographics	Group 1 (urban area)	Group 2 (suburban area)	Group 3 (suburban area)
Gender
Male	50%	70%	40%
Female	50%	30%	60%
Age (years)
< 25	20%	40%	10%
25–44	60%	50%	20%
45–70	20%	10%	70%
Number of cars in household
0	0%	0%	0%
1	80%	30%	50%
2 or more	20%	70%	50%
Household structure
One-person	0%	0%	20%
Multi-person, no children	30%	30%	70%
Multi-person, with children	70%	70%	10%
Position in labor market
Employed full time	70%	60%	30%
Employed part time	0%	0%	0%
Student	30%	40%	0%
Unemployed	0%	0%	10%
Retired	0%	0%	60%
Highest education level
Post Graduate	0%	0%	0%
Master	20%	20%	0%
Bachelor	50%	40%	20%
High school diploma	30%	40%	60%
Professional degree	0%	0%	20%
Junior high school license	0%	0%	0%
Annual household income
< €30,000	30%	20%	20%
€30,000–50,000	70%	70%	70%
€50,001–70,000	0%	10%	10%
€70,001–100,000	0%	0%	0%
> €100,000	0%	0%	0%