Late-life social activity and subsequent risk of dementia and mild cognitive impairment.

ABSTRACT:

Introduction

Social activity is associated with better cognitive health in old age. To better translate epidemiological research for public health communication, we estimated relations of levels of social activity to average age at dementia onset.

Methods

In the Rush Memory and Aging Project (MAP), we followed 1923 dementia-free older adults and conducted annual clinical evaluations of dementia/mild cognitive impairment (MCI).

Results

During a mean follow-up of 6.7 (SD = 4.7) years, 545 participants developed dementia, and 695 developed MCI. Using Accelerated Failure Time models adjusted for age, sex, education, race/ethnicity, and marital status, we found predicted mean age of dementia onset for the least socially active was 87.7 years, approximately 5 years earlier

SUBMITTER: Chen Y 

PROVIDER: S-EPMC11772710 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature