. Author manuscript; available in PMC: 2014 Nov 1.

Published in final edited form as: Addict Behav. 2013 Jul 1;38(11):10.1016/j.addbeh.2013.06.013. doi: 10.1016/j.addbeh.2013.06.013

Table 1.

Descriptive statistics of SNPs stratified by ethnic group.

	non-Hispanic White		non-Hispanic Black		Hispanic		Other

	n	%	n	%	n	%	n	%
rs13280604
AA	361	59.7	18	11.4	67	46.6	60	60.6
AG	193	32.5	67	37.6	62	34.0	27	32.3
GG	40	7.8	89	51.0	16	19.4	6	7.1
rs892413
AA	389	60.5	30	19.1	67	43.0	57	44.7
AC	208	34.9	75	40.6	68	37.9	39	48.9
CC	34	4.6	84	40.3	19	19.1	6	6.4

Note. Percentage was adjusted for the complex survey design.