食事中のニアシン摂取と生活必需品との関連8 米国成人の間 (NHANES 2005-2018)
Dan Wang1, Fanli Yuan2, Shouliang Hu2
1Central Laboratory The First Affiliated Hospital of Yangtze University Jingzhou Hubei China.
Food science & nutrition
|September 4, 2025
まとめ
食事によるナイアシン摂取量の増加は,ライフ・エッセンシャル8 (LE8) のスコアで測定されたように,心臓血管の健康状態の改善と関連しています. この関連性は,ニアシンが心臓の健康を促進する役割を果たす可能性があることを示唆しています.
科学分野:
- 栄養学
- 心血管の健康
- 公衆衛生
背景:
- 食事によるニアシン摂取と心血管の健康指標の関連性に関する研究は限られている.
- ライフ・エッセンシャル8 (LE8) は,行動やバイオマーカーを含む心血管の健康を評価するための包括的な指標です.
研究 の 目的:
- 大規模な成人の集団における食事によるニアシン摂取量とライフ・エッセンシャル8 (LE8) のスコアとの関係を調査する.
- 人口と健康要因による潜在的用量反応関係と効果の修正を調査する.
主な方法:
- 米国国民健康栄養調査 (NHANES) の2005~2018年の23729人の成人 (年齢20歳以上) のデータを分析した.
- ナイアシン摂取量 (10単位増加と3倍) とLE8スコアとの関連を評価するために,混同因子に調整された統計モデリング.
- 制限された立方スライン分析と分層分析を用いて,用量反応の線形性と効果の修正を調べた.
主要な成果:
- 食事中のニアシン摂取量の増加は,より高いLE8スコア (β=0. 65/ 10単位増加,p< 0. 001) と関連していた.
- ナイアシン摂取量の最も高い3分の1は,最も低い3分の1 (p<0. 001) と比較して1. 83ポイント高いLE8スコアを示した.
- 関連性は,高齢者,非ヒスパニック系黒人および白人,社会経済的地位の高いグループ,および心血管関連疾患を有する個体において最も顕著であった.
結論:
- LE8スコアによって示されたように,食事によるニアシン摂取は心臓血管の健康と正の関連があるようです.
- 発見は,異なる人口および健康サブグループ間で顕著な違いがある心臓血管の健康を促進するニアシンの潜在的な役割を示唆しています.
- 示唆的ではあるが,これらの横断的な発見は因果関係を確立することができず,食事指針への影響についてはさらなる研究が必要である.
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