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. Author manuscript; available in PMC: 2016 Oct 21.
Published in final edited form as: Drug Alcohol Depend. 2016 Jan 13;160:163–169. doi: 10.1016/j.drugalcdep.2016.01.001

Table 1.

Subject demographics and characteristics.

SD NTS p
N 24 21 n.s.
Age 33.9 ± 8.5 36.6 ± 8.5 n.s.
gender 6F 3F n.s.
race 8AA 10AA n.s.
ethnicity 1HL 0HL N/A
education (years) 14.1 ± 2.3 12.9 ± 1.5 < 0.05
handedness 24R 20R, 1A N/A
OPRM1 A118G* 118AA: 16
118AG: 5
118GG: 1		 118AA: 17
118AG: 2
118GG: 0
drinks/dd 2.9 ± 1.3 9.1 ± 3.0 < 1x10-10
drinks/week 4.4 ± 3.1 40.6 ± 20.3 < 1x10-10
ADS 4.0 ± 2.9 12.9 ± 6.2 < 1x10-06
cigarette smokers 12 18 < 0.02
Fagerstrom (smokers only) 3.85 ± 1.46 3.78 ± 2.18 n.s.

AA = African American, HL = Hispanic Latino, R = Right handed, A = Ambidextrous.

*

Genotyping data available for 22 SD and 19 NTS.