Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Relationships among Physical Activity, Physical Function, and Food Intake in Older Japanese Adults Living in Urban Areas: A Cross-sectional Study

Version 1 : Received: 31 December 2022 / Approved: 9 January 2023 / Online: 9 January 2023 (06:32:36 CET)

A peer-reviewed article of this Preprint also exists.

Fushimi, T.; Fujihira, K.; Takase, H.; Miyashita, M. Relationships among Physical Activity, Physical Function, and Food Intake in Older Japanese Adults Living in Urban Areas: A Cross-Sectional Study. Geriatrics 2023, 8, 41. Fushimi, T.; Fujihira, K.; Takase, H.; Miyashita, M. Relationships among Physical Activity, Physical Function, and Food Intake in Older Japanese Adults Living in Urban Areas: A Cross-Sectional Study. Geriatrics 2023, 8, 41.

Abstract

Japan is experiencing a super-aging society faster than is anywhere else worldwide. Consequently, extending healthy life expectancy is an urgent social issue. To understand diet that supports the extension of healthy life expectancy, we studied the relationships among quality of life (QOL: SF-36 questionnaire), physical activity (number of steps and activity calculated using an accelerometer), physical function (muscle strength, movement function, agility, static balance, dynamic balance, and walking function) and dietary intake among 469 older adults living in the Tokyo metropolitan area (65–75 years old, men/women = 166/303) from February 23, 2017, to March 31, 2018. There was a significant positive association between physical QOL and steps, moderate-intensity activity, and high-intensity activity (p < 0.05), and a significant positive association (p < 0.05) between physical activity and movement, static balance, and walking functions, but no association with muscle strength. These three body functions were significantly positively correlated with intake of vegetables, seeds, fruits, and milk, and with magnesium, potassium, vitamin B6, and the dietary fibre/carbohydrate ratio and composition ratios (p < 0.05). Balancing food and nutrition may improve QOL in older adults through increased physical function and physical activity. Future verification of interventions is needed.

Keywords

quality of life; physical activity; physical function; food and nutrition; older Japanese adults

Subject

Biology and Life Sciences, Behavioral Sciences

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