期刊
JOURNAL OF ALZHEIMERS DISEASE
卷 63, 期 3, 页码 1119-1127出版社
IOS PRESS
DOI: 10.3233/JAD-170917
关键词
Dementia; demographic factors; lifestyle; mid-life
资金
- Milstein Medical Asian American Partnership Foundation Irma & Paul Milstein Program for Senior Health Fellowship
- Framingham Heart Study's National Heart, Lung, and Blood Institute [N01-HC-25195, HHSN268201500001I]
- National Institute on Aging [R01-AG016495, R01-AG008122, R01-AG033040]
- National Institute of Neurological Disorders and Stroke [R01-NS017950]
Background: Dementia is the leading cause of dependence and disability in the elderly population worldwide. However, currently there is no effective medication for dementia treatment. Therefore, identifying lifestyle-related risk factors including some that are modifiable may provide important strategies for reducing risk of dementia. Objective: This study aims to highlight associations between easily obtainable lifestyle risk factors in mid-life and dementia in later adulthood. Methods: Using data from the Framingham Heart Study Offspring cohort, we leveraged well-known classification models (decision tree classifier and random forests) to associate demographic and lifestyle behavioral data with dementia status. We then evaluated model performance by computing area under receiver operating characteristic (ROC) curve. Results: As expected, age was strongly associated with dementia. The analysis also identified 'widowed' marital status, lower BMI, and less sleep at mid-life as risk factors of dementia. The areas under the ROC curves were 0.79 for the decision tree, and 0.89 for the random forest model. Conclusion: Demographic and lifestyle factors that are non-invasive and inexpensive to implement can be assessed in mid-life and used to potentially modify the risk of dementia in late adulthood. Classification models can help identify associations between dementia and mid-life lifestyle risk factors. These findings inform further research, in order to help public health officials develop targeted programs for dementia prevention.
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