Ambient air pollution and birth defects in Haikou city, Hainan province

BMC Pediatrics

Table 6 Adjusted OR (95% CI) for birth defects during the first 3 months of pregnancy in three-pollutant models

Pollutants	β	SE	χ ²	P	OR	OR 95% CI
Pollutants	β	SE	χ ²	P	OR	Lower	Upper
1st month
NO₂	0.033	0.027	1.446	0.229	1.033	0.98	1.09
PM₁₀	0.020	0.012	2.807	0.094	1.020	0.997	1.045
SO₂	-0.130	0.074	3.115	0.078	0.878	0.76	1.015
2nd month
NO₂	0.001	0.027	0.002	0.964	1.001	0.949	1.056
PM₁₀	0.038	0.012	10.995	0.001	1.039	1.016	1.063
SO₂	-0.171	0.071	5.786	0.016	0.843	0.733	0.969
3rd month
NO₂	0.008	0.028	0.088	0.767	1.008	0.954	1.066
PM₁₀	0.064	0.011	32.092	<0.001	1.066	1.043	1.090
SO₂	-0.301	0.07	18.386	<0.001	0.740	0.645	0.850

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