. Author manuscript; available in PMC: 2012 Dec 1.

Published in final edited form as: Cogn Behav Neurol. 2011 Dec;24(4):187–193. doi: 10.1097/WNN.0b013e31823fc1d0

Table 1. Demographic Characteristics of Participants.

	Control Subjects	Recent Abstinent MA Abusers	Distant Abstinent MA Abusers	SZ Patients
	(n = 38)	(n = 41)	(n =28)	(n=23)
Age, years, mean (SD)	33.8 (9.3)	36.2 (8.9)	38.4 (7.7) ^†	40.0 (8.3) ^††
Females	17	22	19	6
Education, y, mean (SD)	14.5 (2.1)	12.6 (1.8) ^††	12.8 (1.7) ^††	12.8 (1.7) ^††
NART score	114.0 (7.3)	107.0 (5.3) ^††	106.9 (5.7) ^††	-----
Right-handed	36	39	26	21

^†

Significantly different from control group at p < 0.05

^††

Significantly different from control group at p < 0.01

MA indicates methamphetamine; SZ, schizophrenia; NART, National Adult Reading Test.