Skip to main content
Clinical: specific disorders

Patient Health Questionnaire-15 (somatic).

PHQ-15

What it measures
Somatic symptom burden; severity of 15 common physical symptoms (pain, gastrointestinal, cardiopulmonary, fatigue/sleep) over the past 4 weeks
Length and format
15 items. 3-point bothered (0 not at all - 2 a lot); summed 0-30; 5/10/15 = low/medium/high somatic burden (self-report questionnaire)
Language versions
Many languages worldwide (inherits the PHQ family translations); ES, FR, DE, ZH, AR, etc.
Normative data
Normative data for this instrument is held in our reference library. The per-population breakdown is not published here.
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Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date.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. (2002). The PHQ-15: Validity of a new measure for evaluating the severity of somatic symptoms. Psychosomatic Medicine, 64(2), 258-266.

Choosing between this and the alternatives

We do not deliver this instrument. If you are selecting a measure for a research programme, a national survey or an assessment product, and the question is which instrument, in which language, against which norms and under which licence, that is the work we do.

Talk to us about instrument selection