Table 2.

Genotype counts for effect alleles in Shawn Bradley and the ADNI/Cache County populations.

	Shawn Bradley			Average across ADNI/Cache County
	Homozygous for effect allele (additive effect on score)	Heterozygous (additive effect on score)	Homozygous for noneffect allele	Homozygous for effect allele	Heterozygous	Homozygous for noneffect allele
Positive effect	465 (25.89)	621 (15.12)	347 (NA)	428 (22.72)	552 (13.01)	479 (NA)
Negative effect	267 (−15.42)	634 (−15.27)	510 (NA)	416 (−22.28)	535 (−12.60)	497 (NA)