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. Author manuscript; available in PMC: 2009 Dec 5.
Published in final edited form as: Am J Med Genet B Neuropsychiatr Genet. 2008 Dec 5;147B(8):1511–1518. doi: 10.1002/ajmg.b.30874

Table2.

Sex specific association of four ADHD genes

Gene Marker ALL Transmission to male offspring Transmission to female offspring * Males vs.Females
Allele P value Allele T/NT P Allele T/NT P χ2 P
COMT rs4680 A 0.023 A 162/114 0.003 A 77/78 0.936 3.27 0.071
SLC6A2 rs3785143 T 0.020 T 55/46 0.370 T 38/18 0.006 2.68 0.101
MAOA rs3027399 C 0.093 C 22/20 0.757 C 20/8 0.021 2.54 0.111
SLC6A4 rs2066713 T 0.254 T 152/128 0.151 T 74/74 1.000 0.71 0.398
*

test of male vs. female transmissions