在老年人中,社区流动性,生命空间和堕落状态之间的关系
Diego Robles Cruz1,2,3, Andrea Lira Belmar4, Anthony Fleury5
1Escuela de Ingeniería Civil Informática, Universidad de Valparaíso, Valparaíso 2361827, Chile.
Sensors (Basel, Switzerland)
|December 17, 2024
概括
加速度计和GPS数据准确地评估了老年人的跌倒风险. 将传感器与机器学习相结合,可以显著提高对有跌倒史的个体的检测,有助于社区的流动性和自主性.
科学领域:
- 老年学是一门学科.
- 生物医学工程 生物医学工程
- 数据科学数据科学数据科学
背景情况:
- 社区流动性对于老年人的自主性和社会参与至关重要.
- 量化移动性和评估跌倒风险对于健康的衰老至关重要.
研究的目的:
- 量化老年人的社区流动性.
- 探索GPS和加速度计数据与落风险之间的关系.
- 评估不同传感器数据组合和机器学习模型的有效性,用于降落风险分类.
主要方法:
- 129名老年人 (有/没有跌倒史) 使用GPS和加速度计进行了8小时的监测.
- 分析了来自GPS单独的数据,单独的加速度计和组合传感器的数据.
- 随机森林 (RF),支持矢量机器 (SVM) 和K-近邻 (KNN) 模型被用于分类.
主要成果:
- 单独的加速计数据就产生了很高的准确性 (RF:95%,SVM/KNN:90%).
- 结合GPS和加速度计数据进一步提高了准确性 (RF: 97%,SVM: 95%,KNN: 87%).
- 仅GPS数据的准确性就较低了 (RF:74%,SVM:67%,KNN:62%).
结论:
- 集成的GPS和加速度计数据显著提高了老年人中跌倒风险评估的准确性.
- 基于传感器的方法显示出在社区居住的老年人中识别跌倒风险的巨大潜力.
- 这项技术可以支持维护独立性和社会参与的干预措施.
相关概念视频
02:12Relationship Formation
39.7K
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
39.7K
01:30Cognitive Development During Adulthood
50
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
50
01:27Movement Joints in Buildings
107
Movement joints in buildings are essential design elements that accommodate inevitable motions caused by various factors such as temperature changes, moisture content variations, and structural deflections. These motions, if not considered in design and construction, can lead to unsightly or dangerous damage. Movement joints are incorporated in different forms to manage these stresses and allow materials to move without causing distress.
The simplest type of movement joints, working joints, are...
The simplest type of movement joints, working joints, are...
107
01:26Aging
37
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
37
01:27Erikson's Theory on Socioemotional Development during Adulthood
52
Erik Erikson's theory of psychosocial development outlines a series of stages through which individuals progress across the lifespan. Each stage involves a psychosocial conflict that significantly influences personal growth and well-being. Three key stages — intimacy versus isolation, generativity versus stagnation, and integrity versus despair — highlight the developmental challenges faced in adulthood.
Intimacy Versus Isolation in Early Adulthood
Individuals in early...
Intimacy Versus Isolation in Early Adulthood
Individuals in early...
52
01:26Marcia's Theory of Identity Status
88
James Marcia's identity status model provides a framework for understanding how adolescents navigate identity formation through varying degrees of exploration and commitment. Marcia's model builds on Erik Erikson's theories of psychosocial development, focusing specifically on how adolescents reconcile individual aspirations with societal expectations. His model describes identity formation as a dynamic process where adolescents move between different states depending on their level...
88