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. 2021 Mar 1:282:1021-1029.
doi: 10.1016/j.jad.2021.01.005. Epub 2021 Jan 7.

Validation of brief screening measures for depression and anxiety in young people with substance use disorders

Kate H Bentley  1 , Hitoshi Sakurai  2 , Kelsey L Lowman  3 , Lisa Rines-Toth  3 , James McKowen  4 , Paola Pedrelli  4 , A Eden Evins  4 , Amy M Yule  5
Affiliations

Validation of brief screening measures for depression and anxiety in young people with substance use disorders

Kate H Bentley et al. J Affect Disord. .

Abstract

Background: It is critical to promptly identify and monitor mood and anxiety symptoms in young people with SUD. The primary aim of this study was to conduct a psychometric validation of the Patient Health Questionnaire (PHQ-9) and Generalized Anxiety Disorder scale (GAD-7) for depression and anxiety screening in young people seeking outpatient treatment for SUD. Our secondary aim was to compare the performance of the PHQ-9 and GAD-7 to their briefer two-item versions (PHQ-2 and GAD-2) in terms of detecting probable mood and anxiety disorders.

Method: Data were extracted from the electronic health records of patients (ages 14 to 26) who received a diagnostic evaluation following clinical implementation of the PHQ-9 and GAD-7 at a hospital-based outpatient SUD treatment program (N=121, average age 19.1 ± 3.1 years).

Results: The PHQ-9 and GAD-7 showed excellent internal consistency. A PHQ-9 cut score of 7 or 8 (PHQ-2 cut score: 2) and GAD-7 cut score of 6 (GAD-2 cut score: 2) had the best balance of sensitivity, specificity, and positive and negative predictive power in these data. These measures also showed good convergent and acceptable discriminant validity.

Limitations: The sample was predominantly White and non-Hispanic, and a validated (semi-)structured diagnostic interview was not used to establish mood and anxiety disorder diagnoses.

Conclusions: Results suggest the PHQ-9 and GAD-7 are reliable and potentially clinically useful screening tools for depression and anxiety in young people with SUD, and that the two-item versions may have similar clinical utility as the full measures.

Keywords: Adolescents; Anxiety; Depression; Screening; Substance use disorder; Young adults.

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Conflict of interest statement

Conflict of Interest Declaration

Dr. Sakurai has received manuscript or speaker’s honoraria from Dainippon Sumitomo, Meiji-Seika Pharma, Mochida Pharmaceutical, and Yoshitomi Yakuhin, and grants from the Japanese Society of Clinical Neuropsychopharmacology and the Uehara Memorial Foundation within the past three years. All other authors declare that they have no conflicts of interest.

Figures

Figure 1.
Figure 1.
Receiver operating characteristic (ROC) curves for (a) PHQ-9 and (b) PHQ-2 scores to predict presence of current mood disorder; (c) GAD-7 and (d) GAD-2 scores to predict presence of current anxiety disorder.
See this image and copyright information in PMC

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