Table 2.

The associations in the distributions of genotypes and allele frequency for VNTR polymorphism in DAT1 in cases and controls

	(1)	(2)	(1) VS (2)
	Case	Control	X2, df, P-value, AND (95% CI)
	N=305	N=435
Genotypes
10-10	249	358	X2=0.743, df=2, P=0.690, P=0.690
10-X	52	74
X-X	4	3
Alleles			X2=0.172, df=1, P=0.678, OR=0.928, 95% CI=0.653-1.320
10	550	790
X	60	80