Meiji Yasuda Life Foundation of Health and Welfare

MYLS study

The Meiji Yasuda LifeStyle study (known as the MYLS study) is longitudinal epidemiological research and aims to explore the effects of lifestyles, such as physical activity and sedentary behavior, on the health of the Japanese population. It is expected that this study will provide scientific evidence for health promotion for Japanese individuals. This study started in 2013 in cooperation with the Meiji Yasuda Shinjuku Medical Center, and the research team has been working to present the data in academic journals.

Research achievements

  1. Kitano N, Kai Y, Jindo T, Fujii Y, Tsunoda K, Arao T. Association of domain-specific physical activity and sedentary behavior with cardiometabolic health among office workers. Scandinavian Journal of Medicine & Science in Sports. 2022 Aug; 32(8): 1224-1235.
  2. Tsunoda K, Kitano N, Kai Y, Jindo T, Uchida K, Arao T. Dose-response relationships of accelerometer-measured sedentary behaviour and physical activity with non-alcoholic fatty liver disease. Alimentary Pharmacology & Therapeutics. 2021 Nov; 54(10): 1330-1339.
  3. Kitano N, Kai Y, Jindo T, Tsunoda K, Arao T. Compositional data analysis of 24-hour movement behaviors and mental health in workers. Preventive Medicine Reports. 2020; 20: 101213.
  4. Jindo T, Kai Y, Kitano N, Tsunoda K, Nagamatsu T, Arao T. Relationship of workplace exercise with work engagement and psychological distress in employees: a cross-sectional study from the MYLS study. Preventive Medicine Reports. 2020 Mar; 17: 101030.
  5. Kitano N, Tsunoda K, Kai Y, Jindo T, Uchida K, Onodera Y, Kuchiki T, Nagamatsu T. Impact of leisure-time physical activity pattern on subjective sleep quality in Japanese workers: a 1-year follow-up study. Bulletin of the Physical Fitness Research Institute. 2017; 115: 15-22.
  6. Tsunoda K, Kai Y, Kitano N, Uchida K, Kuchiki T, Nagamatsu T. Impact of physical activity on nonalcoholic steatohepatitis in people with nonalcoholic simple fatty liver: a prospective cohort study. Preventive Medicine. 88:237-240, 2016
  7. Kai Y, Tsunoda K, Nagamatsu T, Kuchiki T, Uchida K. Association between sedentary behavior and mental health among Japanese workers. Bulletin of the Physical Fitness Research Institute. 2016; 114: 1-10.
  8. Tsunoda K, Kai Y, Kitano N, Uchida K, Kuchiki T, Nagamatsu T. Low- vs. high-frequency of leisure-time physical activity and self-reported health among a high-active people. Bulletin of the Physical Fitness Research Institute. 114; 35-41, 2016
  9. Nakahara-Gondoh Y, Tsunoda K, Kai Y, Kuchiki T, Nagamatsu T. Relationship between nursing care, mental health and physical activity in workers. Journal of health and welfare statistics. 63(5): 1-6, 2016
  10. Tsunoda K, Kai Y, Kitano N, Uchida K, Kuchiki T, Okura T, Nagamatsu T. Domains of physical activity and self-reported health. Bulletin of the Physical fitness Research Institute. 113: 9-14, 2015
  11. Tsunoda K, Kitano N, Kai Y, Uchida K, Kuchiki T, Okura T, Nagamatsu T. Prospective study of physical activity and sleep in middle-aged and older adults. American Journal of Preventive Medicine 48(6): 662-773, 2015
  12. Tsunoda K, Kai Y, Kitano N, Uchida K, Kuchiki T, Okura T, Nagamatsu T. Influence of physical activity on sleep duration and quality: a prospective cohort study. Bulletin of the Physical Fitness Research Institute. 112:8-17, 2014
  13. Tsunoda K, Kai Y, Uchida K, Kuchiki T, Nagamatsu T. Physical activity and risk of fatty liver in people with different levels of alcohol consumption: a prospective cohort study. BMJ Open. 4 :e005824, 2014
  14. Nagamatsu T, Kai Y, Kuchiki T, Uchida K, Suyama Y. Relationship between mental health, sleep, and physical activity in workers. Bulletin of the Physical Fitness Research Institute. 111:16-19, 2013
  15. Nagamatsu T, Kai Y, Kuchiki T, Uchida K, Suyama Y. Association between TV viewing and HbA1c among Japanese female workers. Bulletin of the Physical Fitness Research Institute. 111:20-23, 2013
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