中国の高齢者におけるデジタルエンゲージメントと認知機能:横断的質問票調査と調整済み媒介モデル分析
Yongqi Du1, Qing Niu1, Gangrui Tan1
1Health Management Research Center, School of Public Health, Southeast University, Nanjing, Jiangsu, China.
Journal of medical Internet research
|January 20, 2026
まとめ
デジタルエンゲージメントは、デジタルヘルスリテラシーと社会的支援によって媒介され、中国の高齢者の認知機能にプラスの影響を与える。これらの利点は一人暮らしの個人でより顕著であり、標的を絞った介入の必要性を強調している。
科学分野:
- 老年学; デジタルヘルス; 認知科学
背景:
- 世界的な人口動態の変化とデジタル化の中で、デジタルエンゲージメントは健康的な老化にとって重要である。; デジタルエンゲージメントと認知機能の間には関連が存在するが、中国の高齢者におけるメカニズムは十分に研究されていない。
研究 の 目的:
- 中国の高齢者におけるデジタルエンゲージメントと認知機能の関係を分析する。; デジタルヘルスリテラシー(DHL)と社会的支援の媒介的役割を調べる。; 技術的リザーブ仮説に基づき、住居状況の調整効果を調査する。
主な方法:
- 層化多段抽出法を用いた8123人の55歳以上の参加者に対する横断的調査。; 検証済みの質問票とMini-Cogテストを用いて、デジタルエンゲージメント、DHL、社会的支援、認知機能を評価した。; SPSS PROCESSマクロと5000回のブートストラップ再標本化を用いて、調整済み媒介分析を実施した。
主要な成果:
- デジタルエンゲージメントは認知機能との正の関連を示した(β=0.241)。; DHL(β=0.059)と社会的支援(β=0.012)がこの関係を部分的に媒介し、総効果の29.5%を占めた。; 住居状況は関連を調整し、一人暮らしの参加者でより強い効果が観察された。
結論:
- デジタルエンゲージメントは、中国の高齢者においてDHLと社会的支援を通じて認知機能を向上させる。; 介入は、特に一人暮らしの高齢者に対して、DHLと社会的支援を優先すべきである。; この知見は、技術的リザーブ仮説に基づき、デジタル時代の認知老化の理解を深めるものである。
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