Regional disparities in insurance-covered cognitive behavioural therapy in Japan: a nationwide cross-sectional study using National Database Open Data, 2015–2023

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This nationwide cross-sectional study analyzes insurance-covered cognitive behavioural therapy utilization in Japan from 2015 to 2023 using national health insurance claims data. The authors report that CBT remains severely underused, accounting for only 0.14% of psychiatric patients, with significant regional disparities and a decline in total claims over the study period. The resource is intended for researchers or policymakers interested in healthcare access patterns and systemic barriers to psychological treatments.

ID
ce1840d8ef5141ac
Source org
PubMed Central
Author
Takayuki Fujii (Yasuda Women's University), Yuji Nogami (Nakamura Gakuen University), Taiga Seo (Social Security Office (Thailand))
Published
2026-04-01
OA status
gold
DOI
10.1136/bmjopen-2025-115722
PMID
Not recorded
PMCID
Not recorded
Citations
0

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BibTeX

@article{allodium:ce1840d8ef5141ac,
  title = {Regional disparities in insurance-covered cognitive behavioural therapy in Japan: a nationwide cross-sectional study using National Database Open Data, 2015–2023},
  author = {Takayuki Fujii and Yuji Nogami and Taiga Seo},
  year = {2026},
  journal = {PubMed Central},
  doi = {10.1136/bmjopen-2025-115722},
  url = {https://doi.org/10.1136/bmjopen-2025-115722}
}

RIS

TY  - JOUR
TI  - Regional disparities in insurance-covered cognitive behavioural therapy in Japan: a nationwide cross-sectional study using National Database Open Data, 2015–2023
AU  - Fujii, Takayuki
AU  - Nogami, Yuji
AU  - Seo, Taiga
PY  - 2026
PB  - PubMed Central
DO  - 10.1136/bmjopen-2025-115722
UR  - https://doi.org/10.1136/bmjopen-2025-115722
ER  -

APA

Fujii, T., Nogami, Y., & Seo, T. (2026). Regional disparities in insurance-covered cognitive behavioural therapy in Japan: a nationwide cross-sectional study using National Database Open Data, 2015–2023. PubMed Central. https://doi.org/10.1136/bmjopen-2025-115722

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