Table 6 Concentrations of PAH metabolites stratified by possible sources of PAH (μg/g Cr)
From: Maternal urinary 2-hydroxynaphthalene and birth outcomes in Taiyuan, China
Variables | 2-OH NAP | 2-OH FLU | 9-OH PHE | 1-OH PYR |
|---|---|---|---|---|
Passive smoking | ||||
Yes | 7.38 (6.10, 8.67) | 4.14 (3.59, 4.69) | 3.36 (2.84, 3.87) | 2.02 (1.73, 2.32) |
No | 7.24 (6.39, 8.08) | 4.20 (3.70, 4.70) | 3.63 (3.15, 4.11) | 2.44 (2.10, 2.77) |
p | 0.770 | 0.679 | 0.792 | 0.435 |
Distance from arterial traffic | ||||
< 35 m | 8.56 (7.05,10.06) | 4.44 (3.68, 5.21) | 4.01 (3.29, 4.74) | 2.53 (2.07, 2.99) |
≥ 35 m | 6.53 (5.94, 7.12) | 4.04 (3.66, 4.42) | 3.24 (2.87, 3.61) | 2.10 (1.82, 2.37) |
p | 0.041 | 0.768 | 0.095 | 0.035 |
Heating type | ||||
Collective | 7.54 (6.71, 8.38) | 4.07 (3.61, 4.53) | 3.51 (3.07, 3.96) | 2.21 (1.91, 2.51) |
Self-provided | 6.68 (5.46, 7.90) | 4.51 (3.89, 5.14) | 3.60 (3.05, 4.14) | 2.52 (2.15, 2.90) |
P | 0.239 | 0.086 | 0.366 | 0.019 |
Cooking during pregnant period | ||||
Yes | 7.54 (6.37, 8.71) | 3.86 (3.39, 4.33) | 3.25 (2.82, 3.68) | 2.08 (1.73, 2.42) |
No | 7.25 (6.38, 8.11) | 4.48 (3.91, 5.06) | 3.79 (3.23, 4.35) | 2.46 (2.12, 2.81) |
P | 0.526 | 0.275 | 0.499 | 0.222 |