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Factorial validity and invariance of the Patient Health Questionnaire (PHQ)-9 among clinical and non-clinical populations

The Patient Health Questionnaire-9 (PHQ-9) is commonly used to screen for depressive disorder and for monitoring depressive symptoms. However, there are mixed findings regarding its factor structure (i.e., whether it has a unidimensional, two-dimensional, or bi-factor structure). Furthermore, its me...

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Autores principales: Doi, Satomi, Ito, Masaya, Takebayashi, Yoshitake, Muramatsu, Kumiko, Horikoshi, Masaru
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6053131/
https://www.ncbi.nlm.nih.gov/pubmed/30024876
http://dx.doi.org/10.1371/journal.pone.0199235
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author Doi, Satomi
Ito, Masaya
Takebayashi, Yoshitake
Muramatsu, Kumiko
Horikoshi, Masaru
author_facet Doi, Satomi
Ito, Masaya
Takebayashi, Yoshitake
Muramatsu, Kumiko
Horikoshi, Masaru
author_sort Doi, Satomi
collection PubMed
description The Patient Health Questionnaire-9 (PHQ-9) is commonly used to screen for depressive disorder and for monitoring depressive symptoms. However, there are mixed findings regarding its factor structure (i.e., whether it has a unidimensional, two-dimensional, or bi-factor structure). Furthermore, its measurement invariance between non-clinical and clinical populations and that between patients with major depressive disorder (MDD) and MDD with comorbid anxiety disorder (AD) is unknown. Japanese adults with MDD (n = 406), MDD with AD (n = 636), and no psychiatric disorders (non-clinical population; n = 1,163) answered this questionnaire on the Internet. Confirmatory factor analyses showed that the bi-factor model had a better fit than the unidimensional and two-dimensional factor models did. The results of a multi-group confirmatory factor analysis indicated scalar invariance between the non-clinical and only MDD groups, and that between the only MDD and MDD with AD groups. In conclusion, the bi-factor model with two specific factors was supported among the non-clinical, only MDD, and MDD with AD groups. The scalar measurement invariance model was supported between the groups, which indicated the total or sub-scale scores were comparable between groups.
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spelling pubmed-60531312018-07-27 Factorial validity and invariance of the Patient Health Questionnaire (PHQ)-9 among clinical and non-clinical populations Doi, Satomi Ito, Masaya Takebayashi, Yoshitake Muramatsu, Kumiko Horikoshi, Masaru PLoS One Research Article The Patient Health Questionnaire-9 (PHQ-9) is commonly used to screen for depressive disorder and for monitoring depressive symptoms. However, there are mixed findings regarding its factor structure (i.e., whether it has a unidimensional, two-dimensional, or bi-factor structure). Furthermore, its measurement invariance between non-clinical and clinical populations and that between patients with major depressive disorder (MDD) and MDD with comorbid anxiety disorder (AD) is unknown. Japanese adults with MDD (n = 406), MDD with AD (n = 636), and no psychiatric disorders (non-clinical population; n = 1,163) answered this questionnaire on the Internet. Confirmatory factor analyses showed that the bi-factor model had a better fit than the unidimensional and two-dimensional factor models did. The results of a multi-group confirmatory factor analysis indicated scalar invariance between the non-clinical and only MDD groups, and that between the only MDD and MDD with AD groups. In conclusion, the bi-factor model with two specific factors was supported among the non-clinical, only MDD, and MDD with AD groups. The scalar measurement invariance model was supported between the groups, which indicated the total or sub-scale scores were comparable between groups. Public Library of Science 2018-07-19 /pmc/articles/PMC6053131/ /pubmed/30024876 http://dx.doi.org/10.1371/journal.pone.0199235 Text en © 2018 Doi et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Doi, Satomi
Ito, Masaya
Takebayashi, Yoshitake
Muramatsu, Kumiko
Horikoshi, Masaru
Factorial validity and invariance of the Patient Health Questionnaire (PHQ)-9 among clinical and non-clinical populations
title Factorial validity and invariance of the Patient Health Questionnaire (PHQ)-9 among clinical and non-clinical populations
title_full Factorial validity and invariance of the Patient Health Questionnaire (PHQ)-9 among clinical and non-clinical populations
title_fullStr Factorial validity and invariance of the Patient Health Questionnaire (PHQ)-9 among clinical and non-clinical populations
title_full_unstemmed Factorial validity and invariance of the Patient Health Questionnaire (PHQ)-9 among clinical and non-clinical populations
title_short Factorial validity and invariance of the Patient Health Questionnaire (PHQ)-9 among clinical and non-clinical populations
title_sort factorial validity and invariance of the patient health questionnaire (phq)-9 among clinical and non-clinical populations
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6053131/
https://www.ncbi.nlm.nih.gov/pubmed/30024876
http://dx.doi.org/10.1371/journal.pone.0199235
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