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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Neurotoxicology. 2009 Jan 21;30(3):338–349. doi: 10.1016/j.neuro.2009.01.005

Table 4.

Correlations and mean (SD) values of prenatal and postnatal hair Hg in ppm from maternal and child samples in the SCDS main cohort.

6 m
Mean = 6.6 (4.4)
n = 699
19 m
Mean = 4.8 (3.1)
n = 739
66 m
Mean = 6.5 (3.3)
n = 694
107 m
Mean = 6.1 (3.6)
n = 537
Prenatal
Mean = 6.8 (4.5)
n = 711
0.303
n = 641
0.178
n = 687
0.152 n = 694 0.065
n = 511
6 m 0.199
n = 671
0.218
n = 626
0.158
n = 479
19 m 0.366
n = 678
0.131
n = 517
66 m 0.443
n =508