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

BMC Pediatrics

Table 5 Adjusted OR (95% CI) for birth defects during the first 3 months of pregnancy in single-pollutant model

Pollutants	β	SE	χ ²	P	OR	OR 95% CI
Pollutants	β	SE	χ ²	P	OR	Lower	Upper
NO₂
1st month	0.015	0.021	0.529	0.467	1.015	0.975	1.058
2nd month	-0.003	0.021	0.024	0.876	0.997	0.956	1.039
3rd month	-0.001	0.022	0.004	0.949	0.999	0.957	1.042
PM₁₀
1st month	0.005	0.006	0.54	0.463	1.005	0.993	1.017
2nd month	0.012	0.006	3.85	0.050	1.012	1.000	1.025
3rd month	0.021	0.006	10.368	0.001	1.021	1.008	1.034
SO₂
1st month	-0.003	0.034	0.006	0.938	0.997	0.934	1.066
2nd month	0.005	0.035	0.018	0.895	1.005	0.938	1.076
3rd month	-0.005	0.036	0.022	0.882	0.995	0.928	1.066

ISSN: 1471-2431