Table 2.

Pearson correlations between road traffic noise and air pollution

	NO2 pregn	NOX pregn	PM2.5 pregn	NO2 5-y	NOX 5-y	PM2.5 5-y	NO2 age 8	NOX age 8	PM2.5 age 8
Pregnancy noise	.43	.45	.44
5-y average noise	.27	.24	.29	.33	.34	.39
Noise at age 8	.30	.29	.28				.36	.36	.41