Adjusted odds ratio2 | 95 % confidence interval | |
---|---|---|
Maternal age, years | ||
<20 | 0.93 | 0.84, 1.02 |
20–24 | 0.99 | 0.94, 1.05 |
25–29 | 1.00 | Referent |
30–34 | 1.04 | 0.97, 1.10 |
35–39 | 1.27 | 1.19, 1.36 |
≥40 | 1.52 | 1.37, 1.69 |
Maternal race | ||
Non-Hispanic white | 1.00 | Referent |
Non-Hispanic black | 1.46 | 1.36, 1.57 |
Hispanic | 1.10 | 1.01, 1.18 |
Other Non-Hispanic | 1.02 | 0.88, 1.18 |
Maternal education level | ||
Less than high school | 1.13 | 1.07, 1.19 |
High school only | 1.23 | 1.17, 1.29 |
Postsecondary education | 1.00 | Referent |
Prenatal care initiation | ||
First trimester | 1.00 | Referent |
Second trimester | 0.97 | 0.94, 1.01 |
Third trimester | 0.94 | 0.85, 1.05 |
No prenatal care | 2.51 | 2.22, 2.84 |
Tobacco Use | 1.28 | 1.22, 1.35 |
High PM2.5 exposure2 | ||
Average over pregnancy | 1.19 | 1.09, 1.30 |
First trimester | 1.02 | 0.97, 1.07 |
Second trimester | 0.96 | 0.90, 1.01 |
Third trimester | 1.28 | 1.20, 1.37 |