Table 4. Tests for independence of sexes with respect to allele frequencies for SNPs rs7141 and rs3744263.

		Cases			Control
		Males	Females	χ2 test of independence (p-value)	Males	Females	χ2 test of independence (p-value)
SNP rs7141 (imputed)
A	N	2562	1411	2.420	550	275
	Frequency	0.714	0.694	(0.120)	0.647	0.645	0.003
G	N	1026	621		300	151	(0.957)
	Frequency	0.286	0.306		0.353	0.355
SNP rs3744263 (genotyped)
C	N	2506	1378	2.502	535	268	0.0001
	Frequency	0.698	0.678	(0.114)	0.629	0.629	(0.992)
T	N	1082	654		315	158
	Frequency	0.302	0.322		0.371	0.371