Clinical Tools

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Screening for Common Mental Disorders

Kessler 10
The Kessler (K10) measure is a 10-item self-report questionnaire intended to yield a global measure of ‘psychological distress’ based on questions about the level of anxiety and depressive symptoms in the patient’s most recent 4-week period. This tool is available in 29 languages from the website. There is no cost associated with using this tool. This is an open-access document.
[Kessler, R.C., Andrews, G., Colpe, et al (2002) Short screening scales to monitor population prevalences and trends in non-specific psychological distress. Psychological Medicine, 32, 959-956.]

Edinburgh Postnatal Depression Scale in Multiple Languages
The 10-question Edinburgh Postnatal Depression Scale (EPDS) was designed to identify mothers who may be experiencing perinatal depression.

The PHQ-9 is the nine item depression scale of the Patient Health Questionnaire. The PHQ-9 is a useful tool in screening for depression in primary care.
[Kroenke, K. (2012). Enhancing the clinical utility of depression screening. Canadian Medical Association Journal, 184(3), 281-282.]

PHQ in Different Languages

Disclaimer: This page provides links to the PHQ-9 in multiple languages. Since these versions of the PHQ-9 are in the public domain, many of their authors/translators could not be identified and the cultural validity of most of them is unknown. Where any additional information is available, it has been included. If you have any comments about these versions, please contact us.