| Project/Area Number |
25860450
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Epidemiology and preventive medicine
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| Research Institution | Tokyo Medical University (2014-2015)
Tokyo Women's Medical University (2013) |
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Principal Investigator |
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2015: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Fiscal Year 2014: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2013: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
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| Keywords | 身体活動 / 肥満 / 勤労者 / 座位行動 / 加速度計 |
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| Outline of Final Research Achievements |
In advance of recent technology, prolonged sitting time and sedentary behavior (SB) have been increasing in our lives across many setting, and epidemiologic studies focus on a relationship between SB and adverse health outcome. However, limited research has examined objective measured sedentary time, and its association with obesity. We aimed to evaluate descriptive data of accelerometer-measured time spent in SB, including light-intensity (LPA), and moderate-vigorous physical activity (MVPA) among white- and blue-collar workers, and to examine whether an amount of SB time measured objectively is associated with obesity. White-collar workers spent greater SB time, less LPA time than blue-collar workers and MVPA time was similar. Moreover, the most distinct differences of proportion of sedentary time and LPA time were presented during work time. There was no significant association between SB time and obesity at baseline data. Further longitudinal study is needed.
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