Faculty of Education and International Studies, Oslo Metropolitan University, 0130 Oslo, Norway.
Faculty of Health Sciences, Oslo Metropolitan University, 0130 Oslo, Norway.
Int J Environ Res Public Health. 2021 Feb 17;18(4):1938. doi: 10.3390/ijerph18041938.
After-school programs (ASPs) might influence the activities and behaviors of children. The aim of the reported study was to investigate how stationary behavior unfolds during ASP time in a sample of Norwegian first graders. A total of 42 first graders from 14 ASPs were observed during one entire ASP day. ActiGraph accelerometers were used to measure the intensity of their physical activity (PA). Children were found to be involved in stationary behavior for 54.9% of the studied ASP time-a median of 79.5 min (IQR = 62.0). However, there was considerable variation among the children in the sample. Most stationary behavior-63.5% of all stationary behavior during ASP time-was accumulated when the children were indoors. The proportion of stationary behavior was significantly higher indoors than outdoors, during adult-managed time than child-managed time, and during time spent together with other children than time spent alone ( < 0.05). In child-managed physical activity play outdoors, stationary behavior commonly occurred during short periods of . Stationary behavior was usually rapidly broken up by longer periods of PA. Stationary periods involved activities in close relationship with other children and appeared to be important for social interaction and friendship building. The researchers suggest that ASP staff members should actively promote physical activity play that breaks up sedentary time and replaces some stationary behaviors with PA, especially among the least active children.
课后活动（ASPs）可能会影响儿童的活动和行为。本研究旨在调查在挪威一年级学生样本中，ASPs 时间内的固定行为是如何展开的。共有 14 个 ASP 中的 42 名一年级学生在一个完整的 ASP 日中被观察。ActiGraph 加速度计用于测量他们的身体活动强度（PA）。研究发现，儿童在研究的 ASP 时间内有 54.9%的时间处于固定行为状态——中位数为 79.5 分钟（IQR=62.0）。然而，样本中的儿童之间存在相当大的差异。在 ASP 时间内，大多数固定行为——所有固定行为的 63.5%——是在室内积累的。与户外活动相比，室内的固定行为比例明显更高，与成人管理时间相比，儿童管理时间的固定行为比例更高，与其他儿童一起的时间比独处的时间更高（<0.05）。在儿童管理的户外体育活动中，固定行为通常在较短的时间内发生。固定行为通常会被较长时间的 PA 迅速打断。固定时间段涉及与其他儿童密切相关的活动，这对于社交互动和友谊建立似乎很重要。研究人员建议，ASP 工作人员应积极促进打破久坐时间的体育活动，用 PA 代替一些固定行为，尤其是在最不活跃的儿童中。
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