使用时间变化效应建模来检查老年人心肺健康和全球认知之间的关联:全国范围的样本
Myungjin Jung1, Rafael Cachutt2, Heontae Kim3
1Sport and Exercise Psychophysiology Laboratory, Department of Kinesiology, Health Promotion and Recreation, University of North Texas, Denton, TX, USA.
American journal of health promotion : AJHP
|November 27, 2025
概括
更高的心肺呼吸能力 (CRF) 与老年人更好的认知功能有关. 在61岁至66岁之间观察到CRF最显著的认知益处.
科学领域:
- 老年学是一门学科.
- 认知神经科学 认知神经科学
- 公共卫生 公共卫生
背景情况:
- 众所周知,心肺呼吸能力 (CRF) 有助于预防与年龄相关的认知衰退.
- 然而,在老年人中,CRF对认知影响最为显著的特定年龄段需要进一步研究.
研究的目的:
- 研究美国老年人的心肺健康和全球认知功能之间的关联.
- 为了确定特定的年龄段,高CRF和低CRF组之间的认知功能差异最明显.
主要方法:
- 利用了来自美国国家健康和营养检查调查 (2011-2014) 的2311名60-79岁的美国成年人的横截面数据.
- 估计CRF使用非运动回归方程,并将参与者分为中位数以上和以下的组.
- 通过三项测试 (词学习,动物流利性,数字符号替换) 的复合z-score来评估全球认知.
- 采用加权时间变化效应建模来分析与年龄相关的认知趋势与CRF水平相关.
主要成果:
- 与CRF较低的人相比,具有较高CRF的个体表现出明显更好的全球认知功能.
- 这种认知优势在61岁至66岁之间最为明显.
- 认知分数的最大差异发生在62岁时,较高的CRF个体得分明显更高.
结论:
- 在关键的衰老阶段保持和改善心肺呼吸能力可能是减轻与年龄相关的认知衰退的可行策略.
- 提高CRF的有针对性的干预措施可能有助于在晚年维护认知功能.
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