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Research Article

Horizontal and vertical inequity of multi-modal healthcare accessibility in the aging Japan in the post-COVID era: a GIS-based approach

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Article: 2310731 | Received 25 Oct 2023, Accepted 22 Jan 2024, Published online: 02 Feb 2024
 

ABSTRACT

Evaluating the inequity of healthcare accessibility across demographic groups in the post-COVID era is of critical importance for an aging society like Japan – it helps to achieve better social equity via distributing healthcare resources in health planning and policy making. Our study contributes to the first post-covid evaluation of multi-modal healthcare accessibility in Tokyo, Japan, the most populated metropolis in the world. A further novelty goes to the multi-dimensional examination of the inequity of healthcare accessibility (i.e. hospitals) by public transit, driving and walking – the horizontal inequity across urban space and the vertical inequity across three demographic groups (the young, adult and elderly) through network analysis, spatial accessibility analysis and inequity indexing. We find that low healthcare access areas mainly appear in the peri-urban space as well as regions less covered by public transit. Compared to the adult group, the elderly group experiences significant inequity of healthcare access particularly in the peri-urban areas where driving is the dominant transport mode to access healthcare facilities. We provide timely evidence to the Japanese government and health authorities to have a holistic and latest understanding of multi-modal healthcare access across different demographic groups in the post-COVID era.

Acknowledgements

The measures of healthcare accessibility are publicly accessible via the project public repository https://figshare.com/articles/dataset/Healthcare_access_Tokyp_Japan/20222007

Authors’ contributions

Siqin Wang: Conceptualization; Methodology; Software; Validation; Formal analysis; Investigation; Writing – Original Draft; Visualization; Project administration.

Yukio Sadahiro: Investigation; Validation; Data Curation; Writing – Review & Editing; Funding acquisition; Supervision.

Consent for publication

All authors consent for publication.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Ethics approval and consent to participate

This study did not receive nor require ethics approval, as it does not involve human & animal participants.

Data availability statement

Health accessibility data generated by this study are publicly accessible via the project public repository: https://figshare.com/articles/dataset/Healthcare_access_Tokyp_Japan/20222007.

Additional information

Funding

This study is funded by the Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research KAKENHI grant (JP22F21725).