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PHQ-9

Depression

Patient Health Questionnaire-9

#Screening#Severity#Primary Care

Overview

The PHQ-9 is the nine-item depression scale of the Patient Health Questionnaire.

Scoring & Interpretation Reference

0 - 4 None-Minimal

Minimal or no depressive symptoms.

5 - 9 Mild

Mild depressive symptoms.

10 - 14 Moderate

Moderate depressive symptoms.

15 - 19 Moderately Severe

Moderately severe depressive symptoms.

20 - 27 Severe

Severe depressive symptoms.

Scale Content & Assessment Items

Over the last 2 weeks, how often have you been bothered by any of the following problems?

1

Little interest or pleasure in doing things

Options: Not at all (0) · Several days (1) · More than half the days (2) · Nearly every day (3)

2

Feeling down, depressed, or hopeless

Options: Not at all (0) · Several days (1) · More than half the days (2) · Nearly every day (3)

3

Trouble falling or staying asleep, or sleeping too much

Options: Not at all (0) · Several days (1) · More than half the days (2) · Nearly every day (3)

4

Feeling tired or having little energy

Options: Not at all (0) · Several days (1) · More than half the days (2) · Nearly every day (3)

5

Poor appetite or overeating

Options: Not at all (0) · Several days (1) · More than half the days (2) · Nearly every day (3)

6

Feeling bad about yourself — or that you are a failure or have let yourself or your family down

Options: Not at all (0) · Several days (1) · More than half the days (2) · Nearly every day (3)

7

Trouble concentrating on things, such as reading the newspaper or watching television

Options: Not at all (0) · Several days (1) · More than half the days (2) · Nearly every day (3)

8

Moving or speaking so slowly that other people could have noticed? Or the opposite — being so fidgety or restless

Options: Not at all (0) · Several days (1) · More than half the days (2) · Nearly every day (3)

9

Thoughts that you would be better off dead or of hurting yourself in some way

Options: Not at all (0) · Several days (1) · More than half the days (2) · Nearly every day (3)

Related Assessment Tools

BDI-II

Beck Depression Inventory-II

HAM-D

Hamilton Depression Rating Scale

GAD-7

Generalized Anxiety Disorder-7