Patient Health Questionnaire (PHQ-9)...is Copyright ©Pfizer

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Patient Health Questionnaire (PHQ-9)

This easy to use patient questionnaire is a self-administered version

of the PRIME-MD diagnostic instrument for common mental disorders.1

The PHQ-9 is the depression module, which scores each of the 9 DSM-IV

criteria as " 0 " (not at all) to " 3 " (nearly every day). It has been

validated for use in Primary Care.2

Patient Health Questionnaire (PHQ-9)

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

following problems?

Little interest or pleasure in doing things? Not at all Several days

More than half the days Nearly every day

Feeling down, depressed, or hopeless? Not at all Several days More

than half the days Nearly every day

Trouble falling or staying asleep, or sleeping too much? Not at all

Several days More than half the days Nearly every day

Feeling tired or having little energy? Not at all Several days More

than half the days Nearly every day

Poor appetite or overeating? Not at all Several days More than half

the days Nearly every day

Feeling bad about yourself - or that you are a failure or have let

yourself or your family down? Not at all Several days More than half

the days Nearly every day

Trouble concentrating on things, such as reading the newspaper or

watching television? Not at all Several days More than half the

days Nearly every day

Moving or speaking so slowly that other people could have noticed?

Or the opposite - being so fidgety or restless that you have been

moving around a lot more than usual? Not at all Several days More

than half the days Nearly every day

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

some way? Not at all Several days More than half the days Nearly

every day

Total= /27

Validity has been assessed against an independent structured mental

health professional (MHP) interview. PHQ-9 score & #8805;10 had a

sensitivity of 88% and a specificity of 88% for major depression.1,2

It can even be used over the telephone.3

Depression Severity: 0-4 None, 5-9 Mild depression, 10-14 Moderate

depression, 15-19 Moderately severe depression, 20-27 Severe

depression.

References, footnotes and further reading

Kroenke K, Spitzer RL, JB. The PHQ-9: validity of a brief

depression severity measure. J Gen Intern Med. 2001 Sep;16(9):606-13.

Dietrich AJ, Oxman TE, Burns MR, Winchell CW, Chin T. Application of

a depression management office system in community practice: a

demonstration. J Am Board Fam Pract. 2003 Mar-Apr;16(2):107-14.

Pinto-Meza A, Serrano-Blanco A, Penarrubia MT, Blanco E, Haro JM.

Assessing depression in primary care with the PHQ-9: can it be

carried out over the telephone? J Gen Intern Med. 2005 Aug;20(8):738-

42.

Acknowledgements PHQ9 Copyright ©Pfizer. Reprinted with permission,

courtesy of Pfizer Limited. PRIME-MD ® is a trademark of Pfizer