Author:
Seo Kanako,Takayanagi Naoto,Sudo Motoki,Yamashiro Yukari,Chiba Ippei,Makino Keitaro,Lee Sangyoon,Niki Yoshifumi,Shimada Hiroyuki
Abstract
AbstractGait speed over a short distance is associated with cognitive impairment in older adults. Recently, daily gait speed has been assessed using accelerometers. However, because daily gait speed is only weakly correlation with gait speed over a short distance, its association with cognitive impairment needs to be investigated. The present study compared the daily gait speed patterns of normal cognition (NC), mild cognitive impairment (MCI), and general cognitive impairment (GCI) subjects measured every 3 h for two weeks using accelerometers. A total of 1959 participants were classified into the NC (N = 1519), MCI (N = 353), and GCI groups (N = 87). The results showed that the average daily gait speed of the GCI group was significantly lower than that of the NC group (p = 0.03). Furthermore, the average daily gait speeds of the MCI and NC groups were the same. However, the average daily gait speed of the MCI group during a specific time (12–15 o'clock) was significantly lower than that of the NC group (p < 0.01). These results suggest that changes in daily patterns may be detected by measuring daily gait speed, which depends on the degree of cognitive function.
Funder
Research Funding for Longevity Sciences from the NCGG
Grant-in-Aid for Scientific Research (A) (KAKENHI）
Expenses for R&D commissioned from Takahama City
Kao Corporation
ALCARE Corporation
Publisher
Springer Science and Business Media LLC
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