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Derived trail making test indices in a sample of sedative abusers: demographic effects
Charles Roberts1, Arthur MacNeill Horton
1Center for Substance Abuse Treatment, Substance Abuse and Mental Health Services Administration, Rockwall II Building, Suite 840, 5600 Fishers Lane, Rockville, MD 20857, USA.
Abstract:
Derived indices on the Trail Making test (TMT), a test often used to screen for cognitive impairment, were examined in a sample of 72 sedative abusers in drug abuse treatment programs. A mixed race sample was drawn from electronic files of data from the Drug Abuse Treatment Outcome Study (DATOS). The DATOS was a naturalistic, prospective cohort study that collected data from 1991-1993 in 96 programs in 11 cities in the United States. Data were analyzed to determine the effects of demographic variables on derived indices created by adding, subtracting, multiplying, and dividing parts A and B of the TMT in this large treatment sample of substance abusers. The variables of sex, age, ethnicity, and education were not statistically significant for selected derived indices of the TMT.