Engagement in social activities and progression from mild to severe cognitive impairment: the MYHAT study

Background: It is of considerable public health importance to prevent or delay the progression of mild cognitive impairment (MCI) to more severely impaired cognitive states. This study examines the risk of progression from mild to severe cognitive impairment in relation to engagement in social activ...

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Bibliographic Details
Published in:International psychogeriatrics 2013-04, Vol.25 (4), p.587-595
Main Authors: Hughes, Tiffany F., Flatt, Jason D., Fu, Bo, Chang, Chung-Chou H., Ganguli, Mary
Format: Article
Language:English
Subjects:
Activities of Daily Living
Aged
Aged, 80 and over
Biological and medical sciences
Cognition Disorders - prevention & control
Cognition Disorders - psychology
Cognitive ability
Cognitive Dysfunction - psychology
Depression - diagnosis
Depression - psychology
Disease Progression
Female
Geriatrics
Humans
Interpersonal Relations
Male
Medical sciences
Middle Aged
Multivariate Analysis
Neuropsychological Tests
Older people
Prospective Studies
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Risk Factors
Severity of Illness Index
Social Behavior
Social interaction
Social Participation - psychology
Social Support
Socioeconomic Factors
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Summary:Background: It is of considerable public health importance to prevent or delay the progression of mild cognitive impairment (MCI) to more severely impaired cognitive states. This study examines the risk of progression from mild to severe cognitive impairment in relation to engagement in social activities while mildly impaired and the concurrence of subsequent change in engagement with MCI progression. Methods: Participants were 816 older adults with cognitively defined MCI (mean age 78.0 (standard deviation or SD = 7.4) years) from the Monongahela–Youghiogheny Healthy Aging Team (MYHAT) Study – a prospective cohort study of MCI in the community. Over three years of follow-up, 78 individuals progressed from MCI to severe cognitive impairment, while 738 did not progress. Risk of progression was estimated using discrete time survival analyses. The main predictors were standardized composite measures of the variety and frequency of engagement in social activities. Results: Lower risk of progression from mild to severe cognitive impairment was associated with both a greater level of frequency of engagement in social activities while mildly impaired (OR = 0.72, 95% CI: 0.55–0.93, p = 0.01) and also with a slower rate of decline in the variety of activities over time (OR = 0.01, 95% CI:
ISSN:1041-6102
1741-203X
DOI:10.1017/S1041610212002086