Open AccessIs the PHQ-9 a unidimensional measure of depression? A 58,272-participant study.
Author(s) -
Renzo Bianchi,
Jay Verkuilen,
Sharon Toker,
Irvin Sam Schonfeld,
Markus Gerber,
Elmar Brähler,
Kurt Kroenke
Publication year - 2022
Publication title -
psychological assessment
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.96
H-Index - 140
eISSN - 1939-134X
pISSN - 1040-3590
DOI - 10.1037/pas0001124
Subject(s) - psychology , psychometrics , measurement invariance , clinical psychology , exploratory factor analysis , scale (ratio) , item response theory , structural equation modeling , statistics , sample (material) , reliability (semiconductor) , confirmatory factor analysis , mathematics , chemistry , physics , geography , cartography , chromatography , quantum mechanics , power (physics)
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