Application of item response theory to quantify substance use disorder severity.

Application of item response theory to quantify substance use disorder severity. Research Abstract Details 

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Application of item response theory to quantify substance use disorder severity. Abstract Text:

Levent Kirisci,Ralph E Tarter,Michael Vanyukov,Chris Martin,Ada Mezzich,Stacy Brown,

OBJECTIVE: The present investigation had two main goals: (1) Determine whether binary substance use disorder (SUD) diagnoses are indicators of a unidimensional trait indexing severity of disorder; and, (2) demonstrate the predictive, concurrent and construct validity of the SUD severity scale. METHODS: Boys and their biological parents were administered structured diagnostic interviews to diagnose SUD. Item response theory (IRT) was applied to determine whether the diagnoses are indicators of a unidimensional trait. The score on this scale was correlated with substance use behavior, violence, treatment history, risky sex, and social adjustment. RESULTS: SUD diagnoses are indicators of a unidimensional latent trait. Maternal and paternal SUD severity predicted son's SUD severity at age 19. The score on the SUD severity scale correlated with drug use frequency, number of different drugs used in lifetime, treatment seeking, illegal behavior, social maladjustment, and risky sex. CONCLUSION: SUD can be quantified on an interval scale indexing severity of disorder. The advantages of measuring SUD severity as a continuous trait are discussed.

Application of item response theory to quantify substance use disorder severity. Publishing Authors By Initials

L Kirisci,RE Tarter,M Vanyukov,C Martin,A Mezzich,S Brown,

For similar criminology: crime: violence research abstracts see: criminology: crime: violence research

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Application of item response theory to quantify substance use disorder severity. Journal Published:

PUBLICATION TYPE: Validation Studies

Journal: Addictive behaviors

VOLUME: 31

Page Numbers: 1035-49

Journal Abbreviation:

ISSN: 0306-4603

DAY: 27

MONTH: 04

YEAR: 2006

Application of item response theory to quantify substance use disorder severity. Information

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LANGUAGE: eng

NlmUniqueID: 7603486

Application of item response theory to quantify substance use disorder severity. Keywords Mesh Terms:

KEYWORDS: Violence

MESH TERMS: psychology

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Grant and Affiliation Information for Application of item response theory to quantify substance use disorder severity.

AFFILIATION: Center for Education and Drug Abuse Research, Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, 711 Salk Hall, Pittsburgh, PA 15261, USA. levent@pitt.edu

Country: England

AGENCY: United States NIDA

GRANT: R01 DA019157

ACRONYM: DA

MEDLINETA: Addict Behav

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