纳恩斯2011-2014:客观体育活动是所有原因死亡率的最强预测因素
Andrew Leroux1, Erjia Cui, Ekaterina Smirnova2
1Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado, Aurora, CO.
Medicine and science in sports and exercise
|July 1, 2024
概括
客观测量的体力活动 (PA) 显著预测了老年人死亡风险. 加速度计数据显示,超出总体体积的活动模式对于识别高风险个体至关重要.
科学领域:
- 老年学是一门学科.
- 公共卫生 公共卫生
- 生物统计学 生物统计学
背景情况:
- 客观测量的体力活动 (PA) 是死亡的一个关键可修改的风险因素.
- 了解PA的预测能力对于旨在减少老年人死亡率的干预措施至关重要.
研究的目的:
- 为了比较加速计衍生体力活动 (PA) 特征的预测性表现与老年人的传统死亡预测因素.
- 评估在预测所有原因死亡率的模型中客观测量的PA的附加值.
主要方法:
- 利用国家健康和营养检查调查 (NHANES) 2011-2014年50-80岁成年人的数据.
- 比较了8个加速计衍生PA特征和14个传统预测器,使用来自Cox回归的10倍交叉验证一致性 (C).
- 评估的个人和综合预测性表现.
主要成果:
- 死亡率的前3个单变量预测因素与PA相关:最活跃时间的平均监测独立运动总结 (MIMS) (C=0.697),总MIMS/天 (C=0.686),和平均日志转换的MIMS (C=0.684).
- 这些PA指标的表现优于年龄 (C=0.676) 和其他传统预测指标.
- 将客观测量的PA添加到多变量模型中,预测一致性从C=0.776提高到C=0.790 (P < 0.001).
结论:
- 客观测量的体力活动是老年人死亡的重要风险标志物.
- 加速度计衍生的活动指标提供了超出总活动量之外的有价值的预测信息.
- 结果支持将详细的PA评估纳入死亡风险分层.
相关概念视频
Lifestyle Factors and Health
43
Lifestyle factors play a critical role in maintaining overall health and preventing chronic diseases. Key elements, such as regular physical activity, a nutritious diet, and abstinence from smoking, can significantly enhance physical, mental, and emotional well-being while reducing the risk of several life-threatening conditions.
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
43
Exercise and Cardiac Output
978
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
Sustained exercise increases the muscles' oxygen demand, which can be...
978
Cancer Prevention
6.1K
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
6.1K
Models of Health Promotion and Illness Prevention II
1.6K
The person's health status fluctuates continually, varying from being in good health to becoming ill and returning to being healthy. To understand the concept of illness prevention, there are two models. First, the health-illness continuum model is a graphic representation of an individual's wellness. It states that a person is considered healthy in the absence of physical disease and the presence of good emotional health.
The agent-host-environment model states that disease results...
The agent-host-environment model states that disease results...
1.6K


