Depression

Patient Health Questionnaire-2

The Patient Health Questionnaire-2 (PHQ-2) asks about a person's depression like the PHQ-9 and PHQ-8. The PHQ-2 is made up of the first two questions of the PHQ-9. It is intended as a quick depression screener. Positive tests should be followed up with additional testing like the PHQ-9.

Total number of questions

2

Administration method

Self-report

Standardized cadence

Every 2 weeks

Age range

Adult

Language

English

Scoring and interpretation

Answers are scored on a 4-point Likert scale from 0 for "Not at all" to 3 for "Nearly every day." Scores are summed and total scores range from 0 to 6. A score of 3 or greater suggests a positive screen for depression and more follow up testing is recommended.

Reliability and validity

Additional information

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