ArticleBMJ open2021
Community social support and onset of dementia in older Japanese individuals: a multilevel analysis using the JAGES cohort data.
Article in BMJ open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 2 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
6 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Functional social support and cognitive function in middle- and older-aged adults: a systematic review of cross-sectional and cohort studies.Systematic reviews · 2023Pooled it
- Psychosocial factors and hippocampal subfields: The Medea-7T study.Human brain mapping · 2023Pooled it
- Participation in community gathering place and social capital: A longitudinal study of older adults.SSM - population health · 2025Article
- Utilization of Japanese long-term care-related data including Kaigo-DB: An analysis of current trends and future directions.Global health & medicine · 2024Review
- Association Between Oral Malodor and Dementia: An 11-Year Follow-Up Study in Japan.Journal of Alzheimer's disease reports · 2024Article
- Review
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveRecently, there has been an increase in the number of people with dementia. However, no study has examined the association between community-level social support and the onset of incident dementia using multilevel survival analysis.
designA prospective cohort study. PARTICIPANTS AND
settingWe analysed data pertaining to 15 313 (7381 men and 7932 women) community-dwelling adults aged 65 years or older who had not accessed long-term care insurance and were living in Aichi Prefecture (seven municipalities) in Japan. PRIMARY AND SECONDARY OUTCOME MEASURES: The association between community-level social support and onset of incident dementia was examined using the Japan Gerontological Evaluation Study, a prospective cohort study introduced in Japan in 2003. Incident dementia was assessed using Long-term Care Insurance records spanning 3436 days from the baseline survey.
resultsDuring the 10-year follow-up, the onset of incident dementia occurred in 1776 adults. Among older people, a 1% increase in community-level social support (in the form of receiving emotional support) was associated with an approximately 4% reduction in the risk of developing dementia, regardless of socio-demographic variables and health conditions (HR=0.96; 95% CI=0.94 to 0.99).
conclusionsReceiving community-level social support in the form of emotional support is associated with a lower risk of developing incident dementia.
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Registered trials
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