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食品パントリーにおける行動経済学の介入後のNova食品分類システムによる食品の栄養品質
Kristen Rossi1, Maria F Gombi Vaca2, Marlene B Schwartz2,3
1Department of Allied Health Sciences, University of Connecticut, Storrs, CT, United States.
Frontiers in public health
|September 4, 2025
まとめ
行動経済学の介入は 食料品の選択を変えてくれませんでした 顧客は介入に関係なく 同様の量の超加工食品と未加工食品を選び続けました
科学分野:
- 栄養学
- 公衆衛生
- 行動経済学
背景:
- 超加工食品の消費は 健康に悪影響を及ぼします
- ノバ食品分類システムは,加工レベルによって食品を分類します.
- 食料の貯蔵庫は 脆弱な人々にとって 重要な栄養源です
研究 の 目的:
- 食品パントリーにおける行動経済学の介入が顧客の食品選択に影響を与えるかどうかを評価する.
- 顧客が選択した未加工,加工,超加工食品の割合の変化を評価する.
- 食品パントリーでの提供の栄養品質に対する介入の影響を決定する.
主な方法:
- ミネソタ州の11の食品パントリーでのグループランダム化試験の二次データ分析
- 顧客が選択した187種類の食品をNovaシステム (未加工,料理,加工,超加工) で分類する.
- クライアントのカートごとに各ノヴァカテゴリーのエネルギーシェアを計算し,調整された混合線形モデルを用いて分析する.
主要な成果:
- 介入群と対照群の間で,Nova食品のエネルギー比で統計的に有意な差は認められなかった.
- 対照群の43.5%と比較して,介入群の食品選択には41.1%の超加工食品が含まれていました.
- 未加工/極度に加工された食品は,介入群のエネルギー比率の34.6%と,対照群の33.8%を占めた.
結論:
- 行動経済学の介入は,超加工食品の選択の減少や,食品パントリーのクライアントの未加工食品の選択の増加につながらなかった.
- この研究は,特定のノバ食品カテゴリーに対応する標的型介入に関するさらなる研究が必要であることを強調しています.
- 将来の取り組みは,食品パントリー環境で利用可能な食品の全体的な栄養品質の改善に焦点を当てるべきです.
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