Table 3.
Pairwise correlation analysis.
| PM10 | NO2 | PM2.5 | CP | PA | Trees | Soil | UGS | Moto | Cars | |
|---|---|---|---|---|---|---|---|---|---|---|
| PM10 | 1.0000 | |||||||||
| NO2 | 0.5007* | 1.0000 | ||||||||
| PM2.5 | 0.8884* | 0.4658* | 1.0000 | |||||||
| CP | 0.5218* | 0.3849* | 0.3982* | 1.0000 | ||||||
| PA | 0.2668 | 0.1734 | 0.3535 | 0.1786 | 1.0000 | |||||
| Trees | 0.3238 | 0.0898 | 0.2328 | 0.4202* | 0.0694 | 1.0000 | ||||
| Soil | 0.1446 | 0.4581* | 0.1566 | 0.1011 | 0.0477 | −0.1510 | 1.0000 | |||
| UGS | −0.0139 | 0.2475 | 0.0596 | −0.0618 | 0.1780 | 0.1086 | −0.0637 | 1.0000 | ||
| Moto | −0.1695 | 0.0312 | −0.1737 | −0.0731 | −0.0364 | −0.1049 | 0.2912 | −0.1205 | 1.0000 | |
| Cars | −0.2510 | −0.3380 | −0.2145 | −0.2973 | −0.3410 | 0.0992 | −0.4500* | 0.0606 | −0.2837 | 1.0000 |
Abbreviations: CP = cycle paths; PA = pedestrian areas; UGS = urban green spaces; moto = motorcycles.
*p-value<0.05.