Standardized regression coefficients from the Stepwise Linear Regressions for the NBNA scores and prenatal risk factors among the neonates in Shenyang, China (n = 249).

Note: ** P<0.01. * P<0.05.
athe concentration of maternal OPs urinary metabolites during pregnancy.
bthe concentration of lead in umbilical cord blood of neonates.
#the value in regression was changed by the log10 transition.
Variable coding: Gestational age (<37week = 1, ≥37week = 2); Maternal Age (<30 = 1, ≥30 = 2); Prenatal BMI (BMI<28 = 1, BMI≥28 = 2); Passive smoking (rarely = 1, often = 2, always = 3); Neonatal bodyweight (<3000 = 1,3000–3500 = 2; >3500 = 3).