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農村部のヒスパニック系コミュニティにおける小児肥満に対処するための多層的介入
Linda K Ko1,2, Eileen Rillamas-Sun3, Mario Kratz3
1Department of Family Medicine Keck School of Medicine University of Southern California Alhambra California USA.
Obesity science & practice
|January 26, 2026
まとめ
農村部のヒスパニック系小児の肥満に対する地域介入は、BMI全体に有意な効果を示さなかった。しかし、介入要素へのエンゲージメントの向上はBMIの減少と相関しており、その可能性と課題が示唆された。
科学分野:
- 公衆衛生
- 小児科
- コミュニティベースの研究
背景:
- 小児肥満は、農村部を含む過小評価されている集団に不均衡に影響を与える。
- 社会的および身体的環境は小児肥満に大きく影響する。
- 農村部の小児肥満を対象としたコミュニティ主導の介入はほとんどない。
研究 の 目的:
- 農村部のコミュニティを拠点とした多層的な肥満予防介入の効果を検証すること。
- 農村部のコミュニティに住むヒスパニック系小児のボディマス指数(BMI)zスコアへの介入の影響を評価すること。
- 介入要素へのエンゲージメントとBMIの変化の関係を探ること。
主な方法:
- 653人の8歳から12歳のヒスパニック系小児を対象としたコミュニティベースのトライアル。
- 教育資料、栄養および身体活動(PA)クラス、メディアリテラシー、PAブレーク、および地域プログラム(シクロビア)を含む13ヶ月の多層的介入。
- 主要評価項目:ベースライン、6ヶ月、および18ヶ月で測定されたBMI zスコアの違い。
主要な成果:
- 6ヶ月または18ヶ月のフォローアップで、BMI zスコアの群間差は認められなかった。
- 介入群と対照群のBMI zスコアの平均差は、6ヶ月で-0.02(p=0.31)、18ヶ月で0.03(p=0.32)であった。
- BMI zスコアは、介入要素への曝露が増加するにつれて段階的に減少し(pトレンド<0.01)。
結論:
- コミュニティベースの多層的介入は、BMI zスコア全体に有意な効果を示さなかった。
- 介入要素へのエンゲージメントが大きいほど、BMI zスコアの減少が大きいことと関連していた。
- 本研究の結果は、農村部におけるコミュニティベースの肥満予防の実装の可能性と困難性を強調している。
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