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

BMC Pediatrics

Table 4 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	-0.017	0.021	0.641	0.424	0.984	0.945	1.024
PM₁₀	0.013	0.009	1.953	0.162	1.013	0.995	1.031
SO₂	-0.015	0.056	0.075	0.784	0.985	0.883	1.098
2nd month
NO₂	-0.019	0.02	0.909	0.340	0.981	0.943	1.021
PM₁₀	0.006	0.009	0.401	0.527	1.006	0.988	1.024
SO₂	0.018	0.054	0.116	0.734	1.019	0.917	1.132
3rd month
NO₂	-0.025	0.02	1.492	0.222	0.976	0.937	1.015
PM₁₀	0.024	0.009	8.039	0.005	1.024	1.007	1.042
SO₂	-0.051	0.051	1.02	0.313	0.95	0.86	1.049

ISSN: 1471-2431