AUTHOR=Faro Andre , Nunes Daiane , Falk Derek 

TITLE=Depressive symptomatology in Brazil: perspectives of statistical and psychometrics analyses of the PHQ-9 at four time-points (2020–2023) in the COVID-19 pandemic

JOURNAL=Frontiers in Psychology

VOLUME=Volume 16 - 2025

YEAR=2025

URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1440054

DOI=10.3389/fpsyg.2025.1440054

ISSN=1664-1078