Table 1.

Median (and range of) values of road environment measures within participants' neighborhoods (by age group)

Measure of road environment (within 800 m radius of home)	Children median (min, max)	Adolescents median (min, max)
Total length of local roads (km)	16 (2, 32)	16 (0, 37)
Local road index	0.8 (0.3, 1.00)	0.8 (0.3, 1.00)
No. of intersections	89 (4, 255)	87 (1, 279)
Total length of walking tracks (m)	27 (0, 3707)	0 (0, 3977)
No. of speed humps	4 (0, 82)	5 (0, 99)
No. of gates/barriers on road	0 (0, 8)	0 (0, 8)
No. of “slow points” or sections of road narrowing	0 (0, 15)	0 (0, 24)
No. of traffic and/or pedestrian lights	3 (0, 16)	3 (0, 21)