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Demographic effects on the Trail Making Test in hallucinogen abusers
1Center for Substance Abuse Treatment, Substance Abuse and Mental Health Services Administration, Rockwall II Building, Suite 840, 5600 Fishers Lane, Rockville, Md. 20857, USA.
The International Journal of Neuroscience
|November 8, 2001
Summary
Demographic factors like ethnicity and age influence performance on the Trail Making Test (TMT) in hallucinogen abusers. These demographic effects explain only a small portion of TMT score variations in this population.
Area of Science:
- Neuroscience
- Psychology
- Clinical Research
Background:
- The Trail Making Test (TMT) is a widely used neuropsychological tool for assessing cognitive function.
- Cognitive impairment screening is crucial in individuals with substance use disorders, particularly hallucinogen abusers.
- Understanding demographic influences on TMT performance is essential for accurate interpretation in clinical and research settings.
Purpose of the Study:
- To re-examine demographic effects on TMT performance specifically within a sample of hallucinogen abusers undergoing treatment.
- To investigate the influence of sex, ethnicity, age, and education on both Part A and Part B of the TMT.
Main Methods:
- Utilized data from the Drug Abuse Treatment Outcome Study (DATOS), a prospective cohort study (1991-1993).
- Analyzed TMT scores from 128 hallucinogen abusers in drug abuse treatment programs.
- Employed statistical analysis to determine the significance of demographic variables (sex, ethnicity, age, education) on TMT Parts A and B.
Main Results:
- Ethnicity emerged as a statistically significant factor for both TMT Part A and Part B performance.
- Age approached statistical significance for TMT Part A.
- Moderate R-Square values (A = .30, B = .29) indicated that demographic factors accounted for a minority of the variance in TMT performance.
Conclusions:
- Demographic variables, particularly ethnicity, have a significant impact on TMT performance in hallucinogen abusers within treatment settings.
- While demographic factors are influential, they explain a limited proportion of the overall variability in TMT scores for this population.
- Further research may be needed to identify other key factors influencing TMT performance in hallucinogen abusers.