美国老年人的累计补充营养援助计划参与和记忆衰老,1996-2018年
Xuexin Yu1, Katrina L Kezios2, Peiyi Lu3
1Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY 10032, USA.
Preventive medicine
|November 24, 2025
概括
参与补充营养援助计划 (SNAP) 可能会减缓老年人的记忆力下降. 持续参与SNAP的好处与保持认知功能有关,这表明它对记忆衰老有保护作用.
科学领域:
- 老年学是一门学科.
- 公共卫生 营养 公共卫生 营养
- 认知老龄化 认知老龄化
背景情况:
- 失去补充营养援助计划 (SNAP) 的好处是老年人常见的压力因素.
- 了解SNAP参与对认知健康的长期影响对于老龄化人口至关重要.
研究的目的:
- 评估美国老年人累积SNAP参与与随后的记忆衰老之间的关联.
- 为了确定与SNAP福利的持续或间歇参与是否会影响记忆力下降的速度.
主要方法:
- 从健康和退休研究 (1996-2018) 中对2633名65岁以上美国成年人的纵向分析.
- 累计SNAP参与被分类为从未参加过,间歇性 (<2/3的资格),持续 (≥2/3的资格).
- 使用复合z分数评估记忆功能;通过混合效应线性回归模型进行统计分析.
主要成果:
- 持续参与SNAP与缓慢的记忆衰退率 (0.020 SD单位/十年) 相关,相当于2.24年的延迟.
- 间歇性SNAP参与显示了缓慢记忆衰退的趋势 (0.017 SD单位/十年),尽管在统计学上并不显著.
- 与非参与者相比,SNAP参与者经历了随着时间的推移而保存的记忆功能.
结论:
- 累计参与补充营养援助计划可能有助于在低收入的老年人中保持记忆健康.
- 参与SNAP似乎对与年龄相关的记忆力下降具有保护作用.
- 研究结果强调了社会安全网计划在支持认知衰老方面的潜在作用.
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