. Author manuscript; available in PMC: 2015 Jul 1.

Published in final edited form as: Neurotoxicol Teratol. 2014 Jun 16;44:81–88. doi: 10.1016/j.ntt.2014.06.003

Table 3.

Adjusted mean (± SD) stimulus-locked ERP parameters by prenatal cigarette smoking exposure

	Not exposed (n = 35)		Exposed (n = 140)		F-ratio
	Go	No-go	Go	No-go	Smoking	Smoking x condition
N2 latency (msec)	376.9 ± 34.8	376.5 ± 50.1	377.0 ± 43.6	368.5 ± 54.1	0.31 (n.s.)	0.38 (n.s.)
N2 amplitude (µV)	−7.4 ± 5.6	−11.7 ±9.0	−7.3 ± 5.0	−6.5 ± 7.3	5.88^*	13.41^**
P3 amplitude (µV)	6.5 ± 4.4	13.9 ± 6.7	4.5 ± 5.1	9.2 ± 7.2	8.97^**	5.30^*

F-ratio for RM_MANOVAs adjusting for child age and sex, current Pb concentrations, birth weight, education of the primary caregiver, maternal non-verbal reasoning abilities, cord Pb, and cord Hg concentrations.

p < 0.05

^**

p < 0.01.

n.s.: non significant (p > 0.15).