空气污染与老年人认知障碍之间的相关性:来自中国的经验证据
Huan Liu1, Tiantian Hu2,3
1School of Society, Soochow University, No. 199, Ren'ai Road, Suzhou Industrial Park, Su Zhou, Jiangsu, 215123, China. zcliuhuan@126.com.
BMC geriatrics
|September 14, 2023
概括
空气污染对老年人的认知功能产生负面影响,特别是那些受教育程度较低的人和贫困地区的人. 社会适应能力可以减轻这些有害影响.
科学领域:
- 环境健康 环境健康
- 老年学是一门学科.
- 公共卫生 公共卫生
背景情况:
- 关于空气污染对发展中国家老年人的认知影响的数据有限.
- 这项研究通过检查中国的空气质量和认知功能来解决知识差距.
研究的目的:
- 研究空气质量指数 (AQI),污染强度和特定污染物对中国老年人的认知能力的影响.
- 探索年龄,性别,教育和经济发展等因素如何影响空气污染对认知的影响.
- 评估社会适应能力在减轻空气污染引起的认知衰退中的作用.
主要方法:
- 利用来自中国健康与退休长度研究 (CHARLS) (2015年,2018年) 的大型面板数据集 (28,395名参与者).
- 将调查数据与区域空气污染统计数据结合起来.
- 采用统计方法,包括平均差异测试,对环境迁移进行控制,以及双向固定和仪器变量方法,以确保可靠的估计.
主要成果:
- 空气污染显著损害了老年人的认知能力 (OR: 1.46).
- 高污染强度 (AQI > 200) 和二氧化硫暴露显示出显著的负面认知影响.
- 影响因年龄,性别,教育程度和区域经济地位而异. 社会适应能力对认知产生了积极的影响,并减轻了污染的影响.
结论:
- 空气污染导致老年人认知障碍,教育程度较低的人和经济不利地区的人面临更高的风险.
- 空气污染的负面认知影响是同步的,在AQI水平超过200时达到顶峰.
- 社会适应能力是对老年人空气污染引起的认知能力下降的保护因素.
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