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Open AccessArticle

Bout Length-Specific Physical Activity and Adherence to Physical Activity Recommendations among Japanese Adults

1
Department of Preventive Medicine and Public Health, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan
2
Faculty of Health and Nutrition, Yamagata Prefectural Yonezawa University of Nutrition Sciences, 6-15-1 Torimachi, Yonezawa-shi, Yamagata 992-0025, Japan
3
Physical Education and Medicine Research Center UNNAN, 328 Kamochouji, Unnan-shi, Shimane 699-1105, Japan
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2019, 16(11), 1991; https://doi.org/10.3390/ijerph16111991
Received: 15 May 2019 / Accepted: 1 June 2019 / Published: 4 June 2019
(This article belongs to the Special Issue Physical Activity and Health)
We aimed to clarify the patterns of moderate to vigorous physical activity (MVPA) in the Japanese adult population, and the proportion of people meeting the recommendations of the Physical Activity Guidelines (PAG) for Americans, second edition (2nd PAG; ≥150 min/week of total MVPA including bouts of any length) and those meeting the previously recommended PAG (2008-PAG; of ≥150 min/week of total MVPA lasting 10 min or longer [long-bout MVPA]). A total of 204 adults (aged 18 to 64 years) from two workplaces were asked to wear an accelerometer. MVPA was classified by bout length, and the proportion of long-bout MVPA was clarified. The proportion of participants adhering to the 2008-PAG and the 2nd PAG recommendations was calculated. Valid data was obtained from 184 adults. Long-bout MVPA accounted for 13.4% of total MVPA. Our results showed that 12.5% of individuals performed MVPA as recommended by the 2008-PAG whereas 92.4% performed MVPA as recommended by the 2nd PAG. Our results, hence, showed that long-bout MVPA comprised only a small proportion of total MVPA, and the proportion of individuals who satisfied the criteria stated in the guidelines (≥150 min/week) significantly changed by whether or not bout length of MVPA was taken into account. View Full-Text
Keywords: physical activity; bouts; recommendations; guidelines; accelerometer; adults; Japanese; epidemiology physical activity; bouts; recommendations; guidelines; accelerometer; adults; Japanese; epidemiology
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Machida, M.; Takamiya, T.; Fukushima, N.; Odagiri, Y.; Kikuchi, H.; Amagasa, S.; Kitabayashi, M.; Kitayuguchi, J.; Inoue, S. Bout Length-Specific Physical Activity and Adherence to Physical Activity Recommendations among Japanese Adults. Int. J. Environ. Res. Public Health 2019, 16, 1991.

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