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. Author manuscript; available in PMC: 2012 Jan 30.
Published in final edited form as: Behav Pharmacol. 2009 Sep;20(5-6):390–399. doi: 10.1097/FBP.0b013e32833113a3

Table 1.

Detailed descriptives of age, gender and race of the overall sample, healthy and ARA groups.

Healthy (N = 89) At-risk/Addicted (N=87) Total (N=176)
Mean SD Mean SD Mean SD
Age 30.12 10.03 35.81 10.77 31.84 9.84
Percent Percent Percent
Gender
Male 35.6 53.5 44.3
Female 64.4 46.5 55.7
Race
White 79.1 63.0 71.3
Black 7.0 25.9 16.2
Hispanic 5.8 7.4 6.6
Asian 8.1 NA 4.2
Native American NA 1.2 0.6
Mixed NA 1.2 0.6
Other NA 1.2 0.6