| Project/Area Number |
15K16213
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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 |
Eating habits
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| Research Institution | The University of Tokyo (2016-2017)
The University of Shiga Prefecture (2015) |
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Principal Investigator |
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Keywords | 食事調査 / 申告誤差 / 食事摂取量 / 系統誤差 / エネルギー摂取量 / 全国調査 / 食事性酸性負荷 / グライセミック・インデックス / 頻出アイテム集合マイニング / 温室効果ガス排出量 / 食事の質 / 栄養疫学 / 食事回数 / 間食回数 / エネルギー密度 |
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| Outline of Final Research Achievements |
Using national dietary survey data from Japan, the UK and the US, this study examined the effects of misreporting of energy intake, a serious problem in any dietary survey, on the association between dietary intake and health outcome. As a result, it was clarified that the effects of misreporting of energy intake varied depending on dietary variables. A larger effect was observed for dietary variables which are strongly associated with energy intake (e.g., eating frequency) while a smaller effect observed for those which are weakly associated with energy intake (e.g., glycaemic index). In conclusion, because misreporting of energy intake has an important influence on the results in nutritional epidemiological research, any dietary survey should incorporate a methodology for assessing the degree of misreporting of energy intake.
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