Patient Health Questionnaire-4.
PHQ-4
Ultra-brief combined core screen for anxiety and depression: the GAD-2 (anxiety) and PHQ-2 (depression) items together, giving an anxiety subscale, a depression subscale and a total distress score (past 2 weeks)
- Provisionally grouped under
- Length and format
- 4 (2 anxiety + 2 depression). 4-point frequency (0-3), total 0-12; bands 0-2 normal, 3-5 mild, 6-8 moderate, 9-12 severe; subscale cut-off >=3 each (self-report questionnaire)
- Language versions
- Inherits the PHQ/GAD multi-language set (many languages); German and US norms established
- 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Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date.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., & Lowe, B. (2009). An ultra-brief screening scale for anxiety and depression: the PHQ-4. Psychosomatics, 50(6), 613-621.
Measures you can take in clinical: mood, anxiety and stress
These are measures in the same field, which you can take here. This entry does not describe them.
More in Clinical: mood, anxiety and stress
- GAD-7 - Generalized Anxiety Disorder 7-item scale
7 items. public-domain / open.
- PHQ-9 - Patient Health Questionnaire-9
9 (+1 functional-impairment item, unscored). public-domain / open.
- PSS (PSS-14 / PSS-10 / PSS-4) - Perceived Stress Scale
14 (original); 10 (PSS-10, recommended); 4 (PSS-4, brief). public-domain / open.
- ACE - Adverse Childhood Experiences Questionnaire
10 (original ACE score); WHO ACE-IQ approx 43 items. public-domain / open.
- ACQ - Agoraphobic Cognitions Questionnaire
14 items. open with attribution.
- ASRM - Altman Self-Rating Mania Scale
5 items. public-domain / open.
Use this instrument with your own participants
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