. Author manuscript; available in PMC: 2014 Jan 2.

Published in final edited form as: Prog Neuropsychopharmacol Biol Psychiatry. 2011 Dec 30;37(1):10.1016/j.pnpbp.2011.12.014. doi: 10.1016/j.pnpbp.2011.12.014

Table 2.

Demographics and Drug Use

Data reflect Mean±S.E.M.	(N=15)

Gender
Male	13
Female	2

Ethnicity
Caucasian	12
Hispanic	2
African American	1

Age	35.0±2.2

Education (years)	13.3±0.6

IQ (WAIS)	112.7±2.4

Methamphetamine Use
Years of Use	10.5±1.7
Recent Use (#days last 30 days)	17.5±2.4

Nicotine Use (N=12)
Years of Use	12.1±2.4
Cigarettes/day	17.0±3.0

Alcohol Use (N=11)
Years of Use	15.3±3.1
Recent Use	2.7±1.2

Marijuana Use (N=9)
Years of Use	15.0±2.9
Recent Use	9.6±3.3