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The role of mental disease on the association between multimorbidity and medical expenditure


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Title: The role of mental disease on the association between multimorbidity and medical expenditure
Authors: Yamanashi, Hirotomo / Nobusue, Kenichi / Nonaka, Fumiaki / Honda, Yukiko / Shimizu, Yuji / Akabame, Shogo / Sugimoto, Takashi / Nagata, Yasuhiro / Maeda, Takahiro
Issue Date: 1-Aug-2020
Publisher: Oxford University Press
Citation: Family Practice, 37(4), pp.453-458; 2020
Abstract: BACKGROUND: Multimorbidity is the presence of two or more chronic diseases and is associated with increased adverse outcomes, including hospitalization, mortality and frequency of use of medical institutions. OBJECTIVE: This study aimed to describe multimorbidity patterns,determine whether multimorbidity was associated with high medical expenditure, and determine whether mental diseases had an interaction effect on this association.METHODS: We conducted a claims data-based observational study. Data were obtained for 7526 individuals aged 0-75 years from a medical claims data set for Goto, Japan, over a 12-month period (2016-17). Annual medical expenditure was divided into quintiles; the fifth quintile represented high medical expenditure. Multimorbidity status was defined as the occurrence of two or more health conditions from 17 specified conditions. Odds ratios (OR) and 95% confidence intervals (CI) for high medical expenditure were calculated by number of comorbidities. RESULTS: In total, 5423 (72.1%) participants had multimorbidity. Multimorbidity was significantly associated with high medical expenditure, even after adjustment for age, sex and income category (OR: 10.36, 95% CI: 7.57-14.19; P < 0.001). Mental diseases had a significant interaction effect on the association between multimorbidity and high medical expenditure (P = 0.001). CONCLUSIONS: Multimorbidity is associated with high medical expenditure in Japan. Mental diseases may contribute to increased medical costs.
Keywords: At-risk groups / health economics / medical comorbidity / mental health / multimorbidity / population health
URI: http://hdl.handle.net/10069/40305
DOI: 10.1093/fampra/cmaa015
Rights: © The Author(s) 2020. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com. This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Family Practice following peer review. The definitive publisher-authenticated version Family Practice, 37(4), pp.453-458; 2020 is available online at: https://doi.org/10.1093/fampra/cmaa015.
Type: Journal Article
Text Version: author
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/40305

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