Association of falls with risk of dementia and all-cause mortality: a cohort study of Japanese older adults with a 9-year follow-up.

Objective: Many risk factors affect dementia and all-cause mortality. However, whether falls are a risk factor for dementia and all-cause mortality is unclear. The study examines the association of falls with the risk of dementia and all-cause mortality, and whether dementia mediates the association of falls with all-cause mortality.

Depression and the Risk of Dementia and All-Cause Mortality Among Japanese Older Adults: A 9-Year Longitudinal Study From JAGES.

Background: This study aims to investigate the association and dose-response relationship between depression, dementia, and all-cause mortality based on a national cohort study of older adults in Japan.

Methods: We conducted a longitudinal study of 44,546 participants ≥65 years from 2010-2019 Japanese Gerontological Evaluation Study. The Geriatric Depression Scale-15 was used to assess depressive symptoms and the long-term care insurance was used to assess dementia.