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Factors associated with mobility decrease leading to disability: a cross-sectional nationwide study in Japan, with
Keiko Yamada1,2, Satoshi Yamaguchi3, Yoichi M Ito4
1Departments of Sensory & Motor System Medicine, Faculty of Medicine, The University of Tokyo, Tokyo, Japan. kyamadtky@gmail.com.
BMC Geriatrics
|November 20, 2021
Summary
Mobility decrease is linked to aging, female sex, overweight, hypertension, and diabetes. Regular physical activity significantly reduces the risk of mobility decline across all stages.
Area of Science:
- Gerontology
- Public Health
- Epidemiology
Background:
- Mobility decrease leading to disability can emerge during early life.
- Factors contributing to mobility decrease at various stages are not well understood.
Purpose of the Study:
- To investigate the factors associated with mobility decrease at different levels.
- Utilize nationwide data from Japan to identify risk and protective factors.
Main Methods:
- Analysis of nationwide data from 8681 community dwellers aged 20-89 years.
- Classification of mobility decrease into three stages using the locomotive syndrome risk test.
- Multivariable logistic regression to identify associated factors, with age analyzed using a quadratic function model.
Main Results:
- Prevalence of mobility decrease stages 1, 2, and 3 was 31.6%, 5.8%, and 3.2% respectively.
- Increased age (≥40 years), female sex, overweight, hypertension, and diabetes mellitus were positively associated with mobility decrease.
- Frequent physical activity was inversely associated with all stages of mobility decrease.
Conclusions:
- Age (under 40) is linked to emerging mobility decrease, while older age (≥40) is associated with any level of mobility decrease.
- Female sex and lifestyle factors like physical activity and overweight status are associated with mobility decrease at all levels.
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