The PHQ-9

@article{Kroenke2007TheP,
  title={The PHQ-9},
  author={Kurt Kroenke and Robert L. Spitzer and Janet B. W. Williams},
  journal={Journal of General Internal Medicine},
  year={2007},
  volume={16},
  pages={606-613}
}
AbstractOBJECTIVE: While considerable attention has focused on improving the detection of depression, assessment of severity is also important in guiding treatment decisions. Therefore, we examined the validity of a brief, new measure of depression severity. MEASUREMENTS: The Patient Health Questionnaire (PHQ) is a self-administered version of the PRIME-MD diagnostic instrument for common mental disorders. The PHQ-9 is the depression module, which scores each of the 9 DSM-IV criteria as “0… Expand
The PHQ-9 as a brief assessment of lifetime major depression.
TLDR
The Patient Health Questionnaire-9 (PHQ-9), modified to ask about the worst period of depression lifetime, was validated against lifetime mood disorder diagnoses established by the Structured Clinical Interview for DSM-IV. Expand
Detecting and monitoring depression with a two-item questionnaire (PHQ-2).
TLDR
The PHQ-2 appears promising as a brief multipurpose measure for detecting depression, grading its severity, and monitoring outcomes over time, and proved sensitive to change. Expand
Validity of four screening scales for major depression in MS
TLDR
While all of the scales performed well in terms of their sensitivity and specificity, the availability of the PHQ-9 in the public domain and its brevity may enhance the feasibility of its use. Expand
Test Review: Patient Health Questionnaire–9 (PHQ-9)
The Patient Health Questionnaire–9 (PHQ-9) was developed as a self-administered, diagnostic screening instrument used by health care professionals for assessing and monitoring depression severity.Expand
Validation and calibration of the patient health questionnaire (PHQ-9) in Argentina
TLDR
The Argentine version of the PHQ-9 questionnaire has shown acceptable validity and reliability for both screening and severity assessment of depressive symptoms and good ability to discriminate among depression severity categories according to the BDI-II scale. Expand
The patient health questionnaire (PHQ)
TLDR
This chapter reviews the literature on the content of the questionnaire, the methods of correction, its psychometric characteristics, and its capacity for screening and case finding of major depression, while comparing it with other instruments and in different specific populations. Expand
Validation of the PHQ-9 in a psychiatric sample.
TLDR
This first comprehensive validation of the PHQ-9 in a large, psychiatric sample supported its use as a severity measure and as a measure of treatment outcome. Expand
Are Two Items Sufficient to Screen for Depression within the Hospital Context?
TLDR
PHQ-2 proved to be an instrument with good psychometric properties comparable to those of PHQ-9, being superior to the latter regarding the rate of false-positive results, being suitable for incorporation into hospital admission protocols and thus possibly favoring more immediate interventions. Expand
Comparing CESD-10, PHQ-9, and PROMIS depression instruments in individuals with multiple sclerosis.
TLDR
Psychometric properties of the Patient Health Questionnaire-9, the Center for Epidemiological Studies Depression Scale-10, and the 8-item PROMIS Depression Short Form demonstrated essential unidimensionality and had acceptable interitem reliability and convergent/discriminant validity. Expand
Validation of the Patient Health Questionnaire for Depression Screening Among the Elderly Patients in Taiwan
TLDR
The Chinese versions of the Patient Health Questionnaire-9 and its two subscales (PHQ-2 and PHQ-1) are valid and reliable to screen MDD in primary care elderly patients in Taiwan and could be proper alternatives to Geriatric Depression Scale 15-item version. Expand
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