Skip to main content
. Author manuscript; available in PMC: 2013 Sep 4.
Published in final edited form as: Paediatr Perinat Epidemiol. 2010 Sep;24(5):492–501. doi: 10.1111/j.1365-3016.2010.01136.x

Table 7.

Prenatal PM2.5 exposure (in quartiles) on lung function (FEV1) of 5-year-olds adjusted to potential confounders. Multivariable linear regression model

Predictors Coef. P>t [95% Conf. Interval]
Age (in months) 28.97 0.029 [2.96, 54.99]
Height (cm) 18.44 0.000 [12.94, 23.93]
Gender of child (girls) −35.42 0.134 [−81.86, 11.01]
Prenatal ETS −17.15 0.657 [−93.41, 59.12]
Postnatal ETS 47.50 0.375 [−58.08, 153.09]
Wheezing −54.65 0.045 [−107.95, −1.36]
Birthweight g (quartiles)
≤ 3165 g Reference
3166 – 3425 g 12.99 0.702 [−53.87, 79.84]
3426 – 3720 g −3.17 0.924 [−68.78, 62.43]
≥ 3720 g 54.28 0.119 [−14.16, 122.71]
Prenatal PM 2.5 level (quartiles)
< 20.95 µg/m3 Reference
20.95 – 32.42 µg/m3 −32.84 0.325 [−98.61, 32.92]
32.43 – 52.6 µg/m3 −39.79 0.235 [−105.68, 26.10]
> 52.6 µg/m3 −87.71 0.008 [−151.85, −23.57]