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Screening for serious mental illness in the general population with the K6 screening scale: results from the WHO World Mental Health (WMH) survey initiative
Citation
Kessler, RC and Green, JG and Gruber, MJ and Sampson, NA and Bromet, E and Cuitan, M and Furukawa, TA and Gureje, O and Hinkov, H and Hu, CY and Lara, C and Lee, S and Mneimneh, Z and Myer, L and Oakley-Browne, M and Posada-Villa, J and Sagar, R and Viana, MC and Zaslavsky, AM, Screening for serious mental illness in the general population with the K6 screening scale: results from the WHO World Mental Health (WMH) survey initiative, International Journal of Methods in Psychiatric Research, 19, (Supplement 1) pp. 4-22. ISSN 1049-8931 (2010) [Refereed Article]
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Copyright Statement
The original publication is available at http://www.interscience.wiley.com/
Official URL: http://onlinelibrary.wiley.com
DOI: doi:10.1002/mpr.310
Abstract
Data are reported on the background and performance of the K6 screening scale for serious mental illness (SMI) in the World Health Organization (WHO) World Mental Health (WMH) surveys. The K6 is a six-item scale developed to provide a brief valid screen for Diagnostic and Statistical Manual of Mental Disorders 4th edition (DSM-IV) SMI based on the criteria in the US ADAMHA Reorganization Act. Although methodological studies have documented good K6 validity in a number of countries, optimal scoring rules have never been proposed. Such rules are presented here based on analysis of K6 data in nationally or regionally representative WMH surveys in 14 countries (combined N = 41,770 respondents). Twelve-month prevalence of DSM-IV SMI was assessed with the fully-structured WHO Composite International Diagnostic Interview. Nested logistic regression analysis was used to generate estimates of the predicted probability of SMI for each respondent from K6 scores, taking into consideration the possibility of variable concordance as a function of respondent age, gender, education, and country. Concordance, assessed by calculating the area under the receiver operating characteristic curve, was generally substantial (median 0.83; range 0.76–0.89; inter-quartile range 0.81–0.85). Based on this result, optimal scaling rules are presented for use by investigators working with the K6 scale in the countries studied.
Item Details
| Item Type: | Refereed Article |
|---|---|
| Keywords: | K6 screening scale;psychiatric epidemiology;serious mental illness (SMI) |
| Research Division: | Health Sciences |
| Research Group: | Health services and systems |
| Research Field: | Mental health services |
| Objective Division: | Health |
| Objective Group: | Public health (excl. specific population health) |
| Objective Field: | Mental health |
| UTAS Author: | Oakley-Browne, M (Professor Mark Oakley Browne) |
| ID Code: | 65321 |
| Year Published: | 2010 |
| Web of Science® Times Cited: | 757 |
| Deposited By: | Medicine |
| Deposited On: | 2010-11-03 |
| Last Modified: | 2011-04-19 |
| Downloads: | 0 |
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