Table 3 Birth outcomes of newborns stratified by the four maternal urinary PAH metabolites
From: Maternal urinary 2-hydroxynaphthalene and birth outcomes in Taiyuan, China
Group | N | BW | BL | BHC | PI | CI |
|---|---|---|---|---|---|---|
2-OH NAP (μg/g Cr) | ||||||
Low (< 4.03) | 67 | 3484.7 | 50.9 | 34.4 | 2.6 | 100.1 |
Middle (4.03–9.41) | 130 | 3385.1 | 50.6 | 34.5 | 2.6 | 103.3 |
High (≥ 9.41) | 66 | 3332.2 | 50.5 | 34.3 | 2.6 | 104.4 |
P for trend | 0.049 | 0.301 | 0.525 | 0.305 | 0.038 | |
2-OH FLU (μg/g Cr) | ||||||
Low (< 2.23) | 66 | 3488.4 | 51.0 | 34.4 | 2.6 | 99.9 |
Middle (2.23–5.40) | 131 | 3396.0 | 50.7 | 34.5 | 2.6 | 102.8 |
High (≥ 5.40) | 66 | 3308.3 | 50.3 | 34.4 | 2.6 | 105.5 |
P for trend | 0.060 | 0.118 | 0.923 | 0.805 | 0.027 | |
9-OH PHE (μg/g Cr) | ||||||
Low (< 1.46) | 66 | 3372.6 | 50.6 | 34.5 | 2.6 | 103.3 |
Middle (1.46–4.68) | 131 | 3392.1 | 50.8 | 34.4 | 2.6 | 102.7 |
High (≥ 4.68) | 66 | 3431.9 | 50.5 | 34.4 | 2.7 | 102.3 |
P for trend | 0.567 | 0.699 | 0.866 | 0.404 | 0.708 | |
1-OH PYR (μg/g Cr) | ||||||
Low (< 0.90) | 66 | 3401.6 | 50.1 | 34.5 | 2.7 | 102.9 |
Middle (0.90–3.03) | 131 | 3362.2 | 50.8 | 34.4 | 2.6 | 103.7 |
High (≥ 3.03) | 66 | 3462.2 | 50.9 | 34.4 | 2.6 | 100.8 |
P for trend | 0.550 | 0.108 | 0.887 | 0.218 | 0.439 | |