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Quantity and quality of mental activities and the risk of incident mild cognitive impairment
Authors
Yonas E. Geda
David S. Knopman
+7 more
Janina Krell-Roesch
Walter K. Kremers
Mary M. MacHulda
Michelle M. Mielke
Ronald C. Petersen
Jeremy A. Syrjanen
Maria Vassilaki
Publication date
6 August 2019
Publisher
Barrow - St. Joseph\u27s Scholarly Commons
Abstract
© American Academy of Neurology. ObjectiveTo investigate whether timing, number, and frequency of mentally stimulating activities in midlife and late life are associated with the risk of incident mild cognitive impairment (MCI).MethodsWe conducted a prospective cohort study in the setting of the population-based Mayo Clinic Study of Aging in Olmsted County, Minnesota, including 2,000 individuals aged ≥70 years who were cognitively unimpaired at baseline and were followed for a median of 5.0 years. Participants completed a self-reported survey on timing, number, and frequency of engagement in 5 mentally stimulating activities (reading books, computer use, social activities, playing games, craft activities) at baseline.ResultsThe risk of incident MCI was significantly reduced for participants who engaged in social activities (hazard ratio [95% confidence interval] 0.80 [0.64-0.99]) and playing games (0.80 [0.66-0.98]) in both late life and midlife combined. Using a computer was associated with a decreased risk regardless of timing (not late life but midlife: 0.52 [0.31-0.88]; late life but not midlife: 0.70 [0.56-0.88]; late life and midlife: 0.63 [0.51-0.79]). Craft activities were associated with a reduced risk of incident MCI only when carried out in late life but not midlife (0.58 [0.34-0.97]). Furthermore, engaging in a higher number of activities in late life was associated with a significantly reduced risk of incident MCI (any 2 activities: 0.72 [0.53-0.99], any 3: 0.55 [0.40-0.77], any 4: 0.44 [0.30-0.65], all 5: 0.57 [0.34-0.96]).ConclusionEngaging in a higher number of mentally stimulating activities, particularly in late life, is associated with a decreased risk of MCI among community-dwelling older persons
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Last time updated on 27/02/2021