Browsing by Author "Schmitz, Florian"
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Factor structure and measurement invariance across various demographic groups and over time for the PHQ-9 in primary care patients in Spain
Gonzalez Blanch, Cesar; Medrano, Leonardo Adrian; Muñoz Navarro, Roger; Ruíz Rodríguez, Paloma; Moriana, Juan Antonio; Limonero, Joaquín T; Schmitz, Florian; Cano Vindel, Antonio (PLOS ONE, 2018)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 ...