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Demographic effects on the Trail Making Test in narcotic/other opiate 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. ahorton@samhsa.gov
The International Journal of Neuroscience
|March 27, 2002
Summary
Demographic factors like age, education, and ethnicity significantly influence performance on the Trail Making Test (TMT) in individuals undergoing drug abuse treatment. These findings highlight the need to consider demographics when interpreting TMT results for cognitive screening.
Area of Science:
- Neuroscience
- Psychology
- Public Health
Background:
- The Trail Making Test (TMT) is a widely used neuropsychological tool for assessing cognitive function.
- Cognitive impairments are common in individuals with substance use disorders.
- Understanding demographic influences on TMT performance is crucial for accurate interpretation in clinical and research settings.
Purpose of the Study:
- To investigate the impact of demographic variables (sex, ethnicity, age, education) on TMT performance.
- To examine these effects within a specific population of narcotic/other opiate abusers.
- To assess the extent to which demographic factors explain variance in TMT scores.
Main Methods:
- Utilized data from the Drug Abuse Treatment Outcome Study (DATOS), a prospective cohort study.
- Analyzed TMT scores from 191 individuals in narcotic/other opiate abuse treatment programs.
- Employed statistical analyses to determine the relationship between demographic variables and TMT Parts A and B.
Main Results:
- Age and education level showed a statistically significant relationship with both TMT Part A and Part B scores.
- Ethnicity was found to be statistically significant for TMT Part B.
- Moderate R-square values (A = .34, B = .24) indicated a moderate influence of demographic effects.
Conclusions:
- Demographic factors, particularly age, education, and ethnicity, play a significant role in TMT performance among opiate abusers.
- These findings underscore the importance of considering demographic context when using the TMT for cognitive screening in this population.
- The moderate effect sizes suggest that while demographics are influential, other factors also contribute to TMT performance.