From: Ambient air pollution and adverse birth outcomes: a natural experiment study
Concentration of ambient air pollutant | NO2 (per 10 ug/m3) | PM10 (per 10 ug/m3) | ||||||
---|---|---|---|---|---|---|---|---|
Single pollutant model | Multi pollutant model | Single pollutant model | Multi pollutant model | |||||
Change of birth weight | P-value | Change of birth weight | P-value | Change of birth weight | P-value | Change of birth weight | P-value | |
1st trimester | 5.85 (−1.03, 12.74) | 0.096 | −1.43 (−17.16, 14.3) | 0.859 | −1.18 (−3.21, 0.85) | 0.254 | −1.63 (−5.66, 2.40) | 0.427 |
2nd trimester | −3.72 (−11.76, 4.32) | 0.364 | −9.74 (−28.85, 9.38) | 0.318 | 0.43 (−1.74, 2.60) | 0.699 | 2.54 (−3.57, 8.66) | 0.415 |
3rd trimester | −13.78 (−21.12, −6.43) | 0.000 | −14.78 (−29.13, −0.43) | 0.044 | −2.55 (−5.29, 0.20) | 0.069 | 4.67 (−2.76, 12.10) | 0.218 |