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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Neurotoxicology. 2011 May 17;32(5):640–645. doi: 10.1016/j.neuro.2011.04.002

Table 2.

β-HCH Levels in the 4 Cohorts

Emory UTSW
2001–2003 2006–2008 2001–2003 2008
β-HCH Levels Case Control Case Control Case Control Case Control
Mean 79.43 16.92* 11.18 5.71 49.31 3.27** 10.77 4.39
No. of non-detects 8 8 17 16 5 20 41 41
**

p value <0.001,

*

p value <0.05 indicates significant differences between cases and control in each cohort, respectively, as determined by the Kruskal-Wallis test.