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The TCU Drug Screen 5: Identifying Justice-involved Individuals with Substance Use Disorders.

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|November 1, 2019
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Summary

The updated TCU Drug Screen 5 aligns with DSM-5 criteria for substance use disorders (SUDs). It shows high agreement with the TCU Drug Screen II but identifies more mild SUD cases in justice-involved adults and juveniles.

Keywords:
DSM-5TCU Drug Screencriminal justicejuvenile justicescreeningsubstance use

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Area of Science:

  • Psychiatry
  • Psychology
  • Forensic Science

Background:

  • The TCU Drug Screen II was based on older DSM-III-R criteria.
  • Substance Use Disorders (SUDs) classification was updated with the DSM-5 in 2013.
  • A modified version, the TCU Drug Screen 5, was developed to align with DSM-5.

Purpose of the Study:

  • To examine the concordance between the TCU Drug Screen II and the TCU Drug Screen 5.
  • To assess the performance of both screens in adult and juvenile justice-involved populations.
  • To evaluate the utility of the DSM-5 aligned screen in clinical and forensic settings.

Main Methods:

  • The TCU Drug Screen II and TCU Drug Screen 5 were administered to 305 adult males and 310 juvenile males.
  • Participants were justice-involved clients undergoing standard intake procedures.
  • Concordance and diagnostic threshold agreement were analyzed between the two screen versions.

Main Results:

  • A high level of agreement was found between the TCU Drug Screen II and TCU Drug Screen 5.
  • The TCU Drug Screen 5 identified significantly more cases of SUDs, primarily mild SUDs.
  • Both screens demonstrated appropriate diagnostic discrimination across age groups, with fewer adolescents identified.

Conclusions:

  • The TCU Drug Screen 5 is comparable to the TCU Drug Screen II.
  • The TCU Drug Screen 5 offers the benefit of DSM-5 conformity and severity specifiers.
  • This updated screen may improve the accuracy of SUD identification in justice-involved populations.