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Τετάρτη 11 Ιανουαρίου 2017

Sensitivity and specificity of the gain short-screener for predicting substance use disorders in a large national sample of emerging adults

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Publication date: May 2017
Source:Addictive Behaviors, Volume 68
Author(s): Douglas C. Smith, Kyle M. Bennett, Michael L. Dennis, Rodney R. Funk
Background and objectivesEmerging Adults (ages 18–25) have the highest prevalence of substance use disorders and rarely receive treatment from the specialty care system. Thus, it is important to have screening instruments specifically developed for emerging adults for use in Screening, Brief Intervention and Referral to Treatment (SBIRT) models. Optimal cutoffs for the widely-used GAIN Short-Screener's (GAIN-SS) Substance Disorder Screener (SDScrY) are not established specifically for emerging adults. Therefore, this study examined the sensitivity and specificity of the SDScrY in predicting emerging adult (ages 18–25) substance use disorders.MethodsWe analyzed data from emerging adults in a large clinical sample (n=9,808) who completed both the five-item SDScrY (α=0.85) and the full criteria set for DSM-IV Substance Use Disorders. We estimated the sensitivity, specificity and area under the curve to determine optimal cutoffs.ResultsAnalyses revealed a high correlation between the SDScrY screener and its longer parent scale (r=0.95, p<0.001). Sensitivity (83%) and specificity (95%) were highest at a cutoff score of two (AUC=94%) on the SDScrY for any past year substance use disorder. Sensitivity (85%) was also high at a cutoff score of two on the SDScrY for any past year alcohol disorder.ConclusionsThe five-item Substance Use Disorder Screener is a sensitive and specific screener for emerging adults, and could be used to identify emerging adults who may benefit from SBIRT interventions.



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