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Table 4 Associations Between Average Prenatal Exposure to Ambient Air Pollutants and Neurodevelopmental Outcomes at 2 Years

From: Prenatal exposure to ambient air pollution is associated with neurodevelopmental outcomes at 2 years of age

  

NO2

PM10

PM2.5

  

β

95% CI

p

β

95% CI

p

β

95% CI

p

Motor Scores

Fine Motor Score

0.05

-0.26, 0.37

0.74

-0.40

-0.71, -0.09

0.01

-0.27

-0.58, 0.04

0.09

Gross Motor Score

0.09

-0.25, 0.43

0.59

-0.37

-0.70, -0.04

0.03

-0.13

-0.46, 0.20

0.44

Motor Scaled Score

0.19

-0.36, 0.73

0.51

-0.77

-1.30, -0.24

0.005*

-0.41

-0.94, 0.13

0.14

Composite Motor Score

0.55

-1.11, 2.22

0.51

-2.35

-3.95, -0.74

0.004*

-1.22

-2.84, 0.40

0.14

Cognitive

Cognitive Scaled Score

-0.06

-0.42, 0.30

0.75

-0.34

-0.70, 0.01

0.06

-0.28

-0.64, 0.07

0.12

Composite Cognitive Score

-0.70

-2.62, 1.22

0.47

-2.01

-3.89, -0.13

0.04

-1.97

-3.83, -0.10

0.04

Language Scores

Receptive Communication Score

-0.03

-0.37, 0.31

0.87

-0.25

-0.59, 0.08

0.13

-0.18

-0.52, 0.15

0.28

Expressive Communication Score

-0.07

-0.38, 0.24

0.65

-0.36

-0.66, -0.05

0.02

-0.15

-0.46, 0.16

0.34

Language Scaled Score

-0.10

-0.68, 0.48

0.74

-0.61

-1.18, -0.05

0.03

-0.33

-0.90, 0.24

0.25

Composite Language Score

-0.33

-2.02, 1.36

0.70

-1.87

-3.52 -0.22

0.03

-1.01

-2.67, 0.65

0.23

  1. Table shows the results from multivariable linear regression analyses between prenatal ambient air pollution exposure and cognitive outcomes assessed at 2 years in Latino infants. Models adjusted for socioeconomic status (SES), breast feedings per day, gestational age, pre-pregnancy BMI, infant birthweight, and infant sex. Table shows betas (β) and 95% confidence intervals (CIs) that were scaled to a 1SD difference in exposure (SD NO2 = 2.43 ppb, SD PM10 = 3.94 µg/m3, SD PM2.5 = 1.24 µg/m3). Statistical significance is denoted in bold (p < 0.05) while * and ** represent an adjusted p-value of p < 0.10 and p < 0.05 respectively