Loneliness trajectories and dementia risk: Insights from the HUNT cohort study
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View abstract on PubMed
Summary
This summary is machine-generated.Persistent loneliness over time is linked to a higher dementia risk. Transient loneliness, however, showed no association, highlighting the importance of addressing chronic loneliness to potentially delay dementia onset.
Area Of Science
- Neuroscience
- Gerontology
- Public Health
Background
- Loneliness is a potential risk factor for dementia, but existing research presents inconsistent findings.
- Longitudinal studies investigating the association between loneliness and dementia are limited.
Purpose Of The Study
- To examine the long-term association between the course of loneliness and the risk of dementia.
- To investigate whether persistent, transient, or incident loneliness impacts cognitive decline.
Main Methods
- Utilized data from 9389 participants in the Trøndelag Health Study (HUNT) across HUNT1, HUNT2, and HUNT3.
- Employed logistic regression to analyze the relationship between self-reported loneliness trajectories and dementia occurrence in HUNT4 (age 70+).
Main Results
- Persistent loneliness from midlife to older age was associated with increased odds of dementia (OR 1.47).
- This association attenuated when adjusting for depression (OR 1.28).
- Transient loneliness in midlife did not show a significant association with dementia risk.
Conclusions
- Persistent and incident loneliness are linked to a higher risk of developing dementia.
- Reducing loneliness may play a role in mitigating or delaying dementia onset.
- The findings emphasize the public health importance of addressing chronic loneliness across the lifespan.
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