Please use this identifier to cite or link to this item: https://doi.org/10.1002/mpr.321
Title: Psychometric properties of the Quick Inventory of Depressive Symptomatology in adolescents
Authors: Bernstein, I.H.
Rush, A.J. 
Trivedi, M.H.
Hughes, C.W.
Macleod, L.
Witte, B.P.
Jain, S.
Mayes, T.L.
Emslie, G.J.
Keywords: Adolescent
Depression
Depressive symptom ratings
Psychometrics
Quick Inventory of Depressive Symptomatology - clinician-rated
Quick Inventory of Depressive Symptomatology - self-report
Issue Date: Dec-2010
Citation: Bernstein, I.H., Rush, A.J., Trivedi, M.H., Hughes, C.W., Macleod, L., Witte, B.P., Jain, S., Mayes, T.L., Emslie, G.J. (2010-12). Psychometric properties of the Quick Inventory of Depressive Symptomatology in adolescents. International Journal of Methods in Psychiatric Research 19 (4) : 185-194. ScholarBank@NUS Repository. https://doi.org/10.1002/mpr.321
Abstract: Objective: The clinician-rated (QIDS-C16) and self-report (QIDS-SR16) versions of the 16-item Quick Inventory of Depressive Symptomatology have been extensively examined in adult populations. This study evaluated both versions of the QIDS and the 17-item Children's Depressive Rating Scale - Revised (CDRS-R) in an adolescent outpatient sample.Method: Both the QIDS-C16 and QIDS-SR16 were completed for the adolescents. Three different methods were used to complete the QIDS-C16: (a) adolescents' responses to clinician interviews; (b) parents' responses to clinician interview; and (c) a composite score using the most pathological response from the two interviews. Both classical and item response theory methods were used. Factor analyses evaluated the dimensionality of each scale.Results: The sample included 140 adolescent outpatients. All versions of the QIDS, save the parent interview, and the CDRS-R were very reliable (α ≥ 0.8). All four versions of the QIDS are reasonably effective and unidimensional. The CDRS-R was clearly at least two-dimensional. The CDRS-R was the most discriminating among low and extremely high levels of depression. The QIDS-SR16 was the most discriminating at moderate levels of depression. There was no relation between the QIDS scores and concurrent Axis III comorbidities.Conclusion: The QIDS-C16 and the QIDS-SR16 are suitable for use in adolescents. Copyright © 2010 John Wiley & Sons, Ltd.
Source Title: International Journal of Methods in Psychiatric Research
URI: http://scholarbank.nus.edu.sg/handle/10635/110235
ISSN: 10498931
DOI: 10.1002/mpr.321
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