Environmental Health

Table 2 Correlation coefficients between period-specific PM₁₀ and NO₂ exposure averages

From: Air pollution exposure estimation using dispersion modelling and continuous monitoring data in a prospective birth cohort study in the Netherlands

	PM₁₀								NO₂
	First trimester	Second trimester	Third trimester	Total pregnancy	Month0-6 postnatally	Month 7-12 postnatally	First trimester	Second trimester	Third trimester	Total pregna ncy	Month 0-6 postnatally	Month 7-12 postnatally
PM ₁₀
First trimester	1
Second trimester	0.48	1
Third trimester	0.31	0.46	1
Total pregnancy	0.83	0.74	0.73	1
Month 0-6 postnatally	0.19	0.13	0.34	0.29	1
Month 7-12 postnatally	0.11	0.02	0.01	0.06	0.21	1
NO ₂
First trimester	0.59	0.36	0.19	0.51	0.28	0.01	1
Second trimester	0.26	0.58	0.41	0.48	0.15	0.24	0.45	1
Third trimester	0.17	0.24	0.63	0.43	0.25	0.36	0.17	0.48	1
Total pregnancy	0.49	0.47	0.53	0.64	0.32	0.26	0.77	0.76	0.73	1
Month 0-6 postnatally	0.48	0.21	0.22	0.42	0.66	0.27	0.66	0.22	0.30	0.57	1
Month 7-12 postnatally	0.17	0.29	0.44	0.37	0.26	0.63	0.34	0.68	0.78	0.77	0.39	1

Values reflect Pearson correlation coefficients between air pollution exposure estimates for different prenatal and postnatal periods

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ISSN: 1476-069X

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