TABLE 1.

Descriptive Data on 395 Singleton Term Births in the Faroe Islands, from Which Cord Serum was Available for BDNF Analysis

	Total	Boys	Girls	p
N	395	206	189
Birth weight (g)	3756.3 (4.9)	3844.7 (527.9)	3659.9 (416.4)	< 0.001
Gestational age (weeks)	39.8 (1.1)	39.8 (1.1)	39.8 (1.1)	0.512
Maternal smoking (%)	30.9	34.5	27.0	0.054
Hg in maternal hair (μg/g)	3.1 (3)	3.0 (2.8)	3.2 (3.2)	0.659
Hg in cord blood (μg/l)	16.9 (15.5)	16.8 (15.4)	17.0 (15.6)	0.910
PCB total (μg/g lipid)	1.5 (1.0)	1.5 (1.1)	1.4 (0.9)	0.459
BDNF (ng/ml)	9.3 (4.9)	8.6 (4.4)	10.1 (5.3)	0.004

Note. Data Shown as Mean (SEM).