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公衆衛生

Simeng Cui1, Qiumin Qu1, Suhang Shang1

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まとめ
この要約は機械生成です。

年齢は、ボディマス指数（BMI）と認知機能障害の関係に影響します。BMI（<25 kg/m²）が低いと、高齢者（≥60歳）の認知機能障害のリスクが高まりましたが、中年者（40〜59歳）ではBMIに有意な関連は見られませんでした。

キーワード:
公衆衛生高齢化認知機能障害ボディマス指数疫学

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科学分野:

  • 老年医学と認知健康
  • 高齢化の疫学
  • 公衆衛生と栄養

背景:

  • ボディマス指数（BMI）と認知機能障害の関係を調査することは、高齢化する人口を理解するために重要です。
  • 以前の研究では、農村地域におけるこの関連の年齢依存的なニュアンスは十分に解明されていませんでした。

研究 の 目的:

  • ボディマス指数（BMI）と認知機能障害の年齢依存的な関係を調査すること。
  • 40歳以上の農村人口におけるこの関連を分析すること。

主な方法:

  • 2つの農村集落の40歳以上の1792人を対象としたコホート研究を実施しました。
  • 人口統計、ライフスタイル、病歴、身体的および生化学的検査のデータが収集されました。
  • 認知機能はミニメンタルステート検査（MMSE）を用いて評価されました。
  • 分析には、ロジスティック回帰、制限立方スプライン、および年齢層（40〜59歳 vs. 60歳以上）別の層別分析が含まれました。

主要な成果:

  • 認知機能障害は230例（12.8％）で診断されました。
  • 全体として、BMIと認知機能障害の間には有意な非線形相関が観察されました（P全体=0.023）。
  • 60歳以上の個人では、BMIが低い（<25 kg/m²）と認知機能障害のオッズが増加しましたが（P全体=0.038）、40〜59歳の年齢層では有意な関連は見られませんでした（P全体=0.722）。

結論:

  • 年齢はBMIと認知機能障害の関係を著しく変化させます。
  • 高齢者ではBMIが高い（≥25 kg/m²）ことが認知機能低下に対する保護効果を示唆しましたが、中年者ではBMIは認知機能の有意な因子ではありませんでした。
  • これらの発見は、BMI関連の認知健康戦略における年齢別の考慮の重要性を強調しています。