高齢者のうつ病リスクに対する認知機能の異質性の影響:機能的状態に基づく分層分析
Taotao Zhang1, Shang Li2, Zhichen Zhu1
1College of Nursing, Bengbu Medical University, Bengbu, Anhui, China.
Frontiers in public health
|September 3, 2025
まとめ
身体機能状態は高齢者のうつ病リスクに大きく影響します. 身体機能の障害は 認知機能の低下とうつ病の関連性を増幅し 計算能力の障害は 実行機能の障害を示す可能性があります
科学分野:
- ゲロントロジー
- 神経科学
- 精神科
背景:
- 鬱病と認知能力の低下との関連は 明らかになっていません
- 身体的機能的状態は,うつ病と認知の関係における潜在的な調節因子です.
研究 の 目的:
- 潜在プロフィール分析 (LPA) を用いて,異なる身体的機能状態における高齢者の認知機能の異質性を調査する.
- 高齢者のうつ症状に伴う認知パターンを調べる
主な方法:
- 中国健康および退職長期研究 (CHARLS 2020) の4,158人の高齢者 (≥60歳) の認知機能サブタイプを分類するために,潜伏プロファイル分析 (LPA) が使用されました.
- 段階的なロジスティック回帰では 認知プロファイルとうつ病症状の関連性を分析した.
- 参加者は"機能不全"と"機能障害"に分けられた.
主要な成果:
- 機能的に健全な個体では,3つの認知プロファイルが現れた.認知能力の低下と重度の計算能力の低下 (OR=1. 52) の個体ではうつ病のリスクがより高かった.
- 認知機能障害のある個体では,4つの認知能力が明らかになった.認知能力の低下と重度の計算能力の低下 (OR=3. 37) と計算能力の低下 (OR=2. 65) の個体では,うつ病のリスクが著しく高かった.
- 機能障害のあるグループでは,機能不全のグループと比較して,認知能力の低下とうつ病との関連性がかなり強かった (B値: 1. 25 対 0. 42, p < 0. 001).
結論:
- 認知機能の異質性は 身体的状態によって階層化され 鬱病のリスクに大きな影響を及ぼします
- 身体機能の障害は 認知機能の低下による 鬱病の予測力を高めます
- 計算能力の低下は実行機能の欠陥の早期の指標として機能し,標的型介入のための高リスクの個人を特定するのに役立ちます.
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