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首页> 外文会议>International Conference on E-health Networking, Application Services >Don't Mind Your Steps: Activity Trackers for the Assessment of Physical Activity in Health Studies
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Don't Mind Your Steps: Activity Trackers for the Assessment of Physical Activity in Health Studies

机译：请不要介意您的步骤：活动跟踪器，用于评估健康研究中的身体活动

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Assessing a person's physical activity is an important challenge in health studies. However, questionnaires are often inaccurate, precise monitoring devices such as high-end activity monitors are expensive and obtrusive to use, and more easily available measures such as step count are often too simple for meaningful conclusions. We therefore investigated whether data available from modern low-cost activity trackers can be used to estimate calories burnt in physical activity for cardiac prevention. We collected ground truth data from 8 users covering 157 activities on 50 days. We implemented a threshold approach for step data analysis and compared the results with the user's annotations. Compared to the commonly used IPAQ questionnaire our approach is more reliable. Our result indicates that low-cost activity trackers are a feasible tool for assessing physical activity in certain settings.
机译：评估一个人的身体活动是卫生研究中的一个重要挑战。然而，问卷通常是不准确的，精确的监测装置，如高端活动监视器，使用昂贵且令人突兀，并且更容易获得的措施，例如步长的措施往往太简单，因为有意义的结论往往太简单。因此，我们调查了现代低成本活动跟踪器可获得的数据可用于估算在体力活动中燃烧的卡路里用于心脏预防。我们在50天内从8位用户收集了地面真理数据。我们实现了阈值方法，用于步进数据分析，并将结果与​​用户的注释进行了比较。与常用的IPAQ问卷相比我们的方法更可靠。我们的结果表明，低成本活动跟踪器是用于评估某些设置中的物理活动的可行工具。

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