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. Fujii Y, Kitano N, Kai Y, Jindo T, Arao T. Changes in accelerometer-measured physical activity and sedentary behavior from before to after COVID-19 outbreak in workers. Journal of Epidemiology. 2024 May; 34(5): 247-253.
  2. 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.
  3. 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.
  4. 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 Sep; 20: 101213.
  5. 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.
  6. 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 Apr; 115: 15-22.
  7. 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. 2016 Jul; 88: 237-240.
  8. 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 Apr; 114: 1-10.
  9. 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. 2016 Apr; 114: 35-41.
  10. 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. 2016 May; 63(5): 1-6.
  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. 2015 Jun; 48(6): 662-773.
  12. 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. 2015 Apr; 113: 9-14.
  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. 2014 Aug; 4(8): e005824.
  14. 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. 2014 Apr; 112: 8-17.
  15. 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. 2013 Apr; 111: 16-19.
  16. 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. 2013 Apr; 111: 20-23.
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