老年人内在能力和功能能力之间的纵向关联:比较交叉滞后面板模型和随机截止交叉滞后面板模型的发现
Yilin Cheng1, Shuqin Xiao2, Yurun Cai3
1Yilin Cheng, Msc, School of Nursing, Capital Medical University, Beijing, China.
概括
内在能力 (IC) 的下降预示着老年人日常生活的基本困难,但不是反之. 智能化和工具性日常生活能力具有双向联系,智能化具有更强大的影响.
科学领域:
- 老年学是一门学科.
- 公共卫生 公共卫生
- 纵向研究 纵向研究
背景情况:
- 内在能力 (IC) 是世卫组织定义的一个构造,对健康老龄化至关重要.
- 虽然IC预测功能衰退,但怀疑与功能障碍的双向关系.
- 了解这种动态是对老年人群有效干预的关键.
研究的目的:
- 系统地研究老年人内在能力 (IC) 和功能能力之间的双向关系.
- 分析IC的变化如何影响功能能力,反之亦然随着时间的推移.
主要方法:
- 来自中国健康与退休长度研究 (2011-2015) 的2,233名老年人 (60岁以上) 的长度数据.
- 采用了交叉滞后面板模型 (CLPM) 和随机交叉滞后面板模型 (RI-CLPM).
- IC,日常生活的基本活动 (BADL) 和日常生活的工具活动 (IADL) 在多个时间点进行了评估,并根据共变量进行了调整.
主要成果:
- 随机截取交差面板模型 (RI-CLPM) 更好地捕获了功能状态动态.
- IC下降显著预测了BADL恶化 (p <0.05),但BADL变化没有显著影响IC.
- 在IC和IADL之间发现了一种双向关系,IC对IADL的影响比相反的影响更强 (p < 0.001) (p < 0.001).
结论:
- 这项研究证实了老年人内在能力和功能能力之间的复杂相互作用.
- 研究结果强调,智商下降是功能障碍的重要预测因素,特别是在日常生活的基本活动中.
- 结果为开发有针对性的干预措施提供了基础,以促进健康老龄化和保持功能独立.
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