Patient Health Questionnaire-2.

PHQ-2

What it measures

Ultra-brief depression screen (depressed mood + anhedonia, past 2 weeks); first-stage 'case-finding'

Length and format

2 items. 4-point frequency (0-3), summed 0-6 (self-report questionnaire)

Language versions

Inherits PHQ multi-language set (80+ languages)

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

public-domain / open

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Kroenke, K., Spitzer, R. L., & Williams, J. B. W. (2003). The Patient Health Questionnaire-2: validity of a two-item depression screener. Medical Care, 41(11), 1284-1292.