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Studying Food Reward and Motivation in Humans
Published on: March 19, 2014
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子どもの身体活動と食事の行動を結びつける動機付けの経路の促進:自己決定理論に基づく長期的研究
Mathieu Gourlan1, Jordan Guéritat2
1Epidaure-Prevention Department of the Montpellier Cancer Institute, Montpellier, France; Univ. Paul Valéry Montpellier 3-EPSYLON EA 4556, F34000, Montpellier, France.
Journal of nutrition education and behavior
|August 29, 2025
まとめ
身体活動に対する自律的な動機と食生活は 子供の間で一貫して結びつかない. しかし,食事に対する高い自律的動機は,身体活動から食事行動への動機移転を高めることができます.
科学分野:
- 子どもの心理
- 行動科学
- 健康促進
背景:
- 意志と選択によって特徴づけられる 自律的な動機付けは 健康的な行動への持続的な関与に 極めて重要です
- 身体活動に対する自律的な動機付け (AutMot PA) と子供の食事行動 (AutMot Eat) の相互作用に関する経験的研究は限られている.
- 自己決定理論は,行動の変化における動機付けの経路を理解するための枠組みを提供します.
研究 の 目的:
- 子供におけるAutMot PAとAutMot Eatの相互および適度な交互行動的動機付け経路を調査する.
- AutMot PAがAutMot Eatに影響を及ぼすか,時間とともにその逆を検証する.
- AutMot PAとその後の食生活との関係におけるAutMot Eatの抑制作用を検証する.
主な方法:
- フランスの小学生 (180人) を対象とした7ヶ月の長期研究です.
- 2つの時間点 (T1とT2) で収集されたデータは,AutMot PA,AutMot Eat,身体活動,食事の行動を評価するアンケートを使用しました.
- T2での食事行動と身体活動の決定要因を探求するために,経路分析が採用されました.
主要な成果:
- AutMot PAとAutMot Eatの間には有意な相互の縦断的な関係が見つかりませんでした.
- T1でのAutMot PAは,T2でのAutMot Eatを予測することを示した,しかし,T1でのAutMot Eatが高かった場合にのみ (β = 0.17,P = 0.02).
- T1でのAutMot PAは,T2でのAutMot Eatと有意に関連していた (β = 0.47,P = 0.02).
結論:
- 運動と食事の間の動機づけの移転は 子供では体系的ではありません
- 身体活動と健康的な食事の両方を促進する介入は,まず食べ物の行動に対する自律的な動機付けを強化することを優先すれば,より効果的です.
- 食事に対する自律的な動機付けを強化すると 身体活動から改善された食生活への 動機付けの経路が容易になります
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