Factor structure and measurement invariance across various demographic groups and over time for the PHQ-9 in primary care patients in Spain.

The Patient Health Questionnaire (PHQ-9) is a widely-used screening tool for depression in primary care settings. The purpose of the present study is to identify the factor structure of the PHQ-9 and to examine the measurement invariance of this instrument across different sociodemographic groups an...

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Bibliographic Details
Main Authors: César González-Blanch, Leonardo Adrián Medrano, Roger Muñoz-Navarro, Paloma Ruíz-Rodríguez, Juan Antonio Moriana, Joaquín T Limonero, Florian Schmitz, Antonio Cano-Vindel, PsicAP Research Group
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2018-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC5825085?pdf=render