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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Psychopharmacology (Berl). 2015 Jul 29;232(20):3731–3739. doi: 10.1007/s00213-015-4029-4

Table 2.

Associations between a priori loci and delay discounting at three magnitudes of reward.

Genetic Variables Large k Medium k Small k
Gene Polymorphism Mi/Ma MAF HWE β T p β t p β t p
ANKK1 rs1800497 T/C .22 1.00 .01 1.37 .17 .02 2.48 .01 .01 1.32 .19
COMT rs46801 G/A .48 .71 .01 2.09 .04 .02 2.67 .01 .02 2.10 .04

Notes. Alleles are coded higher for larger numbers of minor alleles; income was included as a covariate and k values are square root transformed; Chr = chromosome, Mi = minor allele, Ma = major allele, MAF = minor allele frequency, HWE = Hardy-Weinberg equilibrium

1

n = 711; nominally significant associations are underlined; statistically significant associations after false discovery rate correction are in boldface.