在5个巴西队列研究中,不同年龄组的加速计基于体育活动的性别差距在5个巴西队列研究中
Luiza I C Ricardo1, Andrea Wendt2, Debora Tornquist3
1Medical Research Council Epidemiology Unit, University of Cambridge, Cambridge,United Kingdom.
Journal of physical activity & health
|October 15, 2024
概括
男性在各个年龄段比女性更活跃,身体活动 (PA) 的性别差距在早期出现,并在生命过渡期间扩大. 这些不平等在老年人中最为明显.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 人类运动科学科学 人类运动科学
背景情况:
- 身体活动 (PA) 中的性别差异是一个重大的公共卫生问题.
- 了解整个生命周期的PA不平等对于有针对性的干预至关重要.
- 基于加速度计的PA测量提供了关于运动模式的客观数据.
研究的目的:
- 评估不同年龄组在加速度计测量身体活动 (PA) 中的性别不平等.
- 分析PA差异,使用来自巴西佩洛塔斯多个出生队伍的数据.
- 研究性别和社会经济地位在体力活动水平上的交叉性.
主要方法:
- 利用了来自巴西佩洛塔斯 (Pelotas) 的四个出生队伍和一个老年成人队伍的数据.
- 使用GENEActive/ActiGraph设备在非主导手腕上收集的原始加速度计数据.
- 用GGIR包处理数据,以计算不同年龄段的整体和中度至强度的PA.
- 量化了绝对和相对的性别不平等,并检查了性别与财富的交叉性.
主要成果:
- 在所有被评估的年龄段,男性的身体活动水平高于女性.
- 在中度至强度的PA中,最大的绝对性别差距是在18岁时观察到的.
- 老年人在体力活动中表现出最高的相对性别不平等.
- 交叉分析显示,最贫穷的男性是最活跃的群体,与18岁最富有的女性相比.
结论:
- 在体育活动方面,从小就存在显著的性别不平等,并持续到整个成年期.
- 生活过渡期似乎加剧了身体活动的性别差距.
- 相对体力活动不平等在老年人群中尤为明显.
相关概念视频
01:29Bias in Epidemiological Studies
163
Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:
163
01:12Measuring Acceleration Due to Gravity
542
Consider a coffee mug hanging on a hook in a pantry. If the mug gets knocked, it oscillates back and forth like a pendulum until the oscillations die out.
A simple pendulum can be described as a point mass and a string. Meanwhile, a physical pendulum is any object whose oscillations are similar to a simple pendulum, but cannot be modeled as a point mass on a string because its mass is distributed over a larger area. The behavior of a physical pendulum can be modeled using the principles of...
A simple pendulum can be described as a point mass and a string. Meanwhile, a physical pendulum is any object whose oscillations are similar to a simple pendulum, but cannot be modeled as a point mass on a string because its mass is distributed over a larger area. The behavior of a physical pendulum can be modeled using the principles of...
542
01:30Average Acceleration
9.5K
The importance of understanding acceleration spans our day-to-day experiences, as well as the vast reaches of outer space and the tiny world of subatomic physics. In everyday conversation, to accelerate means to speed up. For instance, we are familiar with the acceleration of our car; the harder we apply our foot to the gas pedal, the faster we accelerate. The greater the acceleration, the greater the change in velocity over a given time. Acceleration is widely seen in experimental physics. In...
9.5K
01:26Longitudinal Studies
140
Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
140
01:20Variation in Acceleration due to Gravity near the Earth's Surface
2.4K
An object's apparent weight is its weight measured by a spring balance at its location. It is different from its true weight, the force with which the Earth pulls it, because of the Earth's rotation. Mathematically, an object's apparent weight equals its true weight minus the centripetal force that keeps it in a circular motion along with the Earth's surface every 24 hours.
The difference between the true and apparent weights is proportional to the square of the Earth's...
The difference between the true and apparent weights is proportional to the square of the Earth's...
2.4K
01:23Assessment of blood pressure in brachial artery(two-step method)
659
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
659