Table 3.

Basic indicators of natural environment exposure using LandSat and Urban Atlas

City	All		Barcelona		Stoke-on-Trent		Doetinchem		Kaunas
n	n = 3946		n = 1044		n = 1044		n = 861		n = 997
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
NDVI measures
Mean NDVI within 100 m	0.43	0.16	0.22	0.09	0.45	0.08	0.54	0.12	0.54	0.08
Mean NDVI within 300 m	0.44	0.16	0.22	0.10	0.47	0.08	0.55	0.09	0.54	0.07
Mean NDVI within 500 m	0.45	0.16	0.23	0.10	0.48	0.08	0.56	0.08	0.54	0.07
Urban Atlas measures
Straight-line distance to
Nearest natural space (m)	180.05	203.85	362.65	280.81	106.29	75.48	64.00	58.22	166.28	143.67
Nearest green space (m)	183.62	206.18	362.71	280.76	110.36	78.25	67.93	59.67	172.69	159.37
Nearest blue space (m)	1321.29	1258.08	2564.30	1635.64	973.60	723.95	509.19	354.32	1085.07	661.87
Street-network buffer
Green spaces within 300 m (n)	1.38	1.57	0.73	1.16	1.33	1.20	2.75	2.00	0.92	1.07
Count of green spaces within 500 m (n)	3.01	2.60	1.91	2.29	2.99	1.85	5.62	2.76	1.95	1.66
Count of green spaces within 1000 m (n)	9.64	6.58	7.68	7.38	9.12	3.54	16.83	5.73	6.03	3.30
Total area of green spaces within 300 m (ha)	13.24	33.10	9.92	35.54	19.67	45.32	13.98	20.95	9.35	20.42
Total area of green spaces within 500 m (ha)	27.14	54.17	15.57	41.82	46.12	74.76	27.87	30.05	18.75	50.70
Total area of green spaces within 1000 m (ha)	81.35	131.70	37.58	73.22	129.75	154.21	86.83	46.57	71.78	178.12
Count of blue spaces within 300 m (n)	0.07	0.30	0.00	0.00	0.12	0.42	0.16	0.40	0.01	0.13
Count of blue spaces within 500 m (n)	0.18	0.54	0.05	0.21	0.29	0.72	0.37	0.70	0.04	0.23
Count of blue spaces within 1000 m (n)	0.58	1.11	0.22	0.53	0.83	1.52	1.12	1.23	0.23	0.54