Patient Health Questionnaire – 9 (PHQ-9)

Measure DescriptionSource of measure
Mode of administration Self-report
Age range for useAdults
Domains AssessedDepression
Related Measures
BurdenTraining needed to administerNone
Minutes to complete5
# of items9
Adaptation for AIAN useAdaptedNo
Developer allows adaptation?Yes
Used with AIAN populations?Yes
AIAN: Cronbach's alpha rangeNot yet available
AIAN: Evidence of validityNot yet available
Other populations: Cronbach's alpha range.86-.89
Other populations: Evidence of validitySensitivity 88%; specificity 88%
SourceDeveloperRobert L. Spitzer, MD, Janet B.W. Williams, DSW, and Kurt Kroenke, MD, Columbia University; Pfizer
SummaryComments about sensitivity to changePHQ-9 is a screener and may not be senstive to change
General remarksPHQ-9 has evidence of reliability and validity in other popultions and has been used with AIANs; data on reliability and validity with AIANs is lacking.