An item response theory modeling of alcohol and marijuana dependences: a National Drug Abuse Treatment Clinical Trials Network study.

dc.contributor.author

Wu, Li-Tzy

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Pan, Jeng-Jong

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Blazer, Dan G

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Tai, Betty

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Stitzer, Maxine L

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Brooner, Robert K

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Woody, George E

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Patkar, Ashwin A

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Blaine, Jack D

dc.date.accessioned

2020-02-03T06:03:14Z

dc.date.available

2020-02-03T06:03:14Z

dc.date.issued

2009-05

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2020-02-03T06:03:14Z

dc.description.abstract

OBJECTIVE:The aim of this study was to examine psychometric properties of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV), diagnostics criteria for alcohol and marijuana dependences among 462 alcohol users and 311 marijuana users enrolled in two multisite trials of the National Drug Abuse Treatment Clinical Trials Network. METHOD:Diagnostic questions were assessed by the DSM-IV checklist. Data were analyzed by the item response theory and the multiple indicators-multiple causes method procedures. RESULTS:Criterion symptoms of alcohol and marijuana dependences exhibited a high level of internal consistency. All individual symptoms showed good discrimination in distinguishing alcohol or marijuana users between high and low severity levels of the continuum. In both groups, "withdrawal" appeared to measure the most severe symptom of the dependence continuum. There was little evidence of measurement nonequivalence in assessing symptoms of dependence by gender, age, race/ethnicity, and educational level. CONCLUSIONS:These findings highlight the clinical utility of the DSM-IV checklist in assessing alcohol- and marijuana dependence syndromes among treatment-seeking substance users.

dc.identifier.issn

1937-1888

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1938-4114

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https://hdl.handle.net/10161/20008

dc.language

eng

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Alcohol Research Documentation, Inc.

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Journal of studies on alcohol and drugs

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10.15288/jsad.2009.70.414

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Humans

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Alcoholism

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Marijuana Abuse

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Substance Withdrawal Syndrome

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Severity of Illness Index

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Risk Factors

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Age Factors

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Models, Psychological

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Diagnostic and Statistical Manual of Mental Disorders

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Adolescent

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Adult

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Female

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Male

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Bias

dc.title

An item response theory modeling of alcohol and marijuana dependences: a National Drug Abuse Treatment Clinical Trials Network study.

dc.type

Journal article

duke.contributor.orcid

Wu, Li-Tzy|0000-0002-5909-2259

pubs.begin-page

414

pubs.end-page

425

pubs.issue

3

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School of Medicine

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Duke

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Center for Child and Family Policy

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Sanford School of Public Policy

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Duke Clinical Research Institute

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Institutes and Centers

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Duke Institute for Brain Sciences

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University Institutes and Centers

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Institutes and Provost's Academic Units

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Psychiatry & Behavioral Sciences, Social and Community Psychiatry

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Psychiatry & Behavioral Sciences

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Clinical Science Departments

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Medicine, General Internal Medicine

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Medicine

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Center for the Study of Aging and Human Development

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Family Medicine and Community Health

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Psychiatry & Behavioral Sciences, Geriatric Behavioral Health

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Family Medicine and Community Health, Community Health

pubs.publication-status

Published

pubs.volume

70

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