ArticlePloS one2023
Regional disparities in Dementia-free Life Expectancy in Japan: An ecological study, using the Japanese long-term care insurance claims database.
Article in PloS one, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 11 citations in OpenAlex.
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- Correlation Between the Dementia Assessment Sheet for Community-Based Integrated Care System-21 Scores and Criteria for Determination of the Daily Life Independence Level of Older Adults With Dementia Using the Diagnosis Procedure Combination Database.Geriatrics & gerontology international · 2026Article
- Trends and Determinants of Dementia-Related Mortality in Mexico, 2017-2023.Epidemiologia (Basel, Switzerland) · 2026Article
- Cognitive Impairment and Physical Dysfunction Associated With Unplanned Dialysis Initiation.Kidney international reports · 2025Article
- Functional Recovery Predictors in Hip Fractures: Insights from a Community Clinical Pathway.Journal of clinical medicine · 2025Article
- Impact of Dementia on the Outcome of Surgical Revascularization for Chronic Limb-Threatening Ischemia.Annals of vascular diseases · 2025Article
- Utilization of Japanese long-term care-related data including Kaigo-DB: An analysis of current trends and future directions.Global health & medicine · 2024Review
- Reduction in the incidence of cognitive impairment and related costs through an innovative health awareness programme in rural Japan.PloS one · 2024Observational
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe number of people with dementia increases in an aging society; therefore, promoting policies for dementia throughout the community is crucial to creating a dementia-friendly society. Understanding the status of older adults with dementia in each region of Japan will be a helpful indicator. We calculated Dementia-free Life Expectancy and aimed to examine regional disparities and their associated factors.
methodsWe calculated Dementia-free Life Expectancy and Life Expectancy with Dementia for each secondary medical area in Japan based on the Degree of Independence in Daily Living for the Demented Elderly, using data extracted from the Japanese long-term care insurance claims database. We then conducted a partial least squares regression analysis, the objective variables being Dementia-free Life Expectancy and Life Expectancy with Dementia for both sexes at age 65, and explanatory regional-level variables included demographic, socioeconomic, and healthcare resources variables.
resultsThe mean estimated regional-level Dementia-free Life Expectancy at age 65 was 17.33 years (95% confidence interval [CI] 17.27-17.38) for males and 20.05 years (95% CI 19.99-20.11) for females. Three latent components identified by partial least squares regression analysis represented urbanicity, socioeconomic conditions, and health services-related factors of the secondary medical areas. The second component explained the most variation in Dementia-free Life Expectancy of the three, indicating that higher socioeconomic status was associated with longer Dementia-free Life Expectancy.
conclusionsThere were regional disparities in secondary medical area level Dementia-free Life Expectancy. Our results suggest that socioeconomic conditions are more related to Dementia-free Life Expectancy than urbanicity and health services-related factors.
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