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

• Satomi Doi ,

  Roles Formal analysis, Writing – original draft

  * E-mail: doi.hlth@tmd.ac.jp

  Affiliations Department of Global Health Promotion, Tokyo Medical and Dental University, Tokyo, Japan, National Center of Neurology and Psychiatry, National Center for Cognitive Behavior Therapy and Research, Tokyo, Japan

  http://orcid.org/0000-0003-0790-7257

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• Masaya Ito,

  Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – review & editing

  Affiliation National Center of Neurology and Psychiatry, National Center for Cognitive Behavior Therapy and Research, Tokyo, Japan

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• Yoshitake Takebayashi,

  Roles Formal analysis, Methodology, Writing – review & editing

  Affiliation National Center of Neurology and Psychiatry, National Center for Cognitive Behavior Therapy and Research, Tokyo, Japan

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• Kumiko Muramatsu,

  Roles Methodology, Supervision

  Affiliation Graduate School of Clinical Psychology, Niigata Seiryo University, Niigata, Japan

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• Masaru Horikoshi

  Roles Supervision

  Affiliation National Center of Neurology and Psychiatry, National Center for Cognitive Behavior Therapy and Research, Tokyo, Japan

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