Table 3.

Neonatal growth parameters and the presence of tobacco biomarkers in meconium

	Negative meconium	Positive meconium
	M ± SD	M ± SD	p Value
Estimated gestational age at delivery (weeks)	39.6 ± 1.2	38.6 ± 2.0	.017
Birth weight (g)	3466 ± 453	3193 ± 672	.041
Head circumference (cm)	34.9 ± 1.6	33.6 ± 2.0	.002
Length (cm)	50.7 ± 2.0	50.1 ± 3.6	.334
1-min Apgar score	8.3 ± 1.3	8.6 ± 1.1	.348
5-min Apgar score	9.0 ± 0.3	9.0 ± 0.2	.714