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Table 7 Multiple linear regression model testing associations of 2-OH NAP with birth outcomes in subsets

From: Maternal urinary 2-hydroxynaphthalene and birth outcomes in Taiyuan, China

  BW BL BHC PI CI
Arterial traffic ≥35 m (n = 113)
 2-OH NAP
  β −6.85 −0.07 −0.16 0.01 −0.07
  p 0.904 0.785 0.361 0.934 0.963
Arterial traffic < 35 m (n = 150)
 2-OH NAP
  β −112.56 − 0.46 0.01 − 0.12 3.50
  p 0.035 0.064 0.999 0.753 0.016
  1. Adjusted for parity, maternal BMI, maternal age, gender of newborn, gestational age, eating grilled meat, passive smoking, and levels of the other three PAH metabolites, urinary phenol, and cord blood lead; the bold text indicates p < 0.05