在中国的老年人中,颗粒物,社会经济地位和认知功能
1Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, 12 Science Drive 2, Singapore 117549, Singapore.
Archives of gerontology and geriatrics
|January 20, 2025
概括
空气污染,特别是颗粒物 (PM),对认知功能产生负面影响. 较低的社会经济地位 (SES) 加剧了这种影响,突出了针对性干预的弱势群体.
科学领域:
- 环境健康 环境健康
- 神经科学是一个神经科学.
- 社会学 社会学 社会学
背景情况:
- 空气污染和低社会经济地位 (SES) 独立地与认知能力下降有关.
- 空气污染和SES对认知功能的综合影响需要进一步研究.
研究的目的:
- 检查颗粒物 (PM) 暴露和SES对老年人认知功能的协同效应.
- 为了确定较低的SES是否会放大空气污染的负面认知影响.
主要方法:
- 利用来自中国长度健康长寿调查 (CLHLS) 的7087名老年人 (65岁以上) 的数据,跨越4个波段 (2008-2018).
- 通过修改的迷你心理状态检查 (MMSE) 和空气污染 (PM1,PM2.5,PM10) 通过卫星模型评估认知功能.
- 采用了概括估计方程模型和分层分析来评估PM暴露和SES水平之间的相互作用.
主要成果:
- 增加的PM1,PM2.5和PM10度与减少的MMSE得分有显著的关联.
- 较低的SES与较差的认知功能相关.
- 观察到一种显著的相互作用效应,表明PM暴露与认知功能之间的负面关联在SES较低的个体中更为明显.
结论:
- 社会经济地位作为一个显著的效果修饰剂,加剧了颗粒物对认知健康的有害影响.
- 研究结果强调需要有针对性的公共卫生战略,以保护有较低SES的弱势群体免受空气污染的认知影响.
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