Table 1 Description of the final sample

N

654

Male (%)

48.9

Average age (SD)

14.1 (+/- 1.2)

Western ethnic background (%)

41.1

Educational level

   Vocational education (%)

53.8

   Senior general secondary education (%)

46.2

Engaging in sports at least three times a week (%)

62.2

Engaging in walking and cycling during leisure time at least 30 minutes a day (%)

80.3

Perceived environment

Parks available (% yes)

73.5

Sports facilities available (% yes)

73.4

Sidewalks available (% a lot)

94.3

Bicycle lanes available (% a lot)

35.5

Objective environment

Availability of parks^a (SD)

0.95 (+/- 0.8)

Availability of sports facilities^a (SD)

14.7 (+/- 7.5)

Availability of sidewalks^b (SD)

13.2 (+/- 5.8)

Availability of bicycle lanes^b (SD)

1.1 (+/- 0.5)