| Budget Amount *help |
¥15,860,000 (Direct Cost: ¥12,200,000、Indirect Cost: ¥3,660,000)
Fiscal Year 2016: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2015: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2014: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
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| Outline of Final Research Achievements |
The purpose of this study is to test the effectiveness of a web-based intervention designed to increase physical activity in promoting weight loss maintenance. We conducted a two-phase 27-month randomized controlled trial. In phase 1, a 3-month group-based weight loss program was provided to participants. We randomly assigned (1:1) participants who lost at least 5% weight in phase 1 to the control or intervention groups. Participants in the intervention group regularly report their body weight and physical activity through a web-based system compatible with a weight scale and activity monitor. Study staff provides personalized monthly feedback. The primary outcome is 27-month body weight change. We enrolled 119 eligible participants. In phase 1, 95 participants decreased 5% of the baseline weight and were assigned to the control (n=48) and intervention (n=47) groups. We continued web-based intervention for 24 months and will test the hypothesis in the near future.
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