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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >Using accelerometers and GPS units to identify the proportion of daily physical activity located in parks with playgrounds in New Zealand children.
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Using accelerometers and GPS units to identify the proportion of daily physical activity located in parks with playgrounds in New Zealand children.

机译：使用加速度计和GPS单元，以确定位于新西兰儿童游乐场的公园内的日常体育活动的比例。

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摘要

OBJECTIVE: To identify the proportion of children's physical activity occurring in public parks with playgrounds. METHODS: Children (n=184) aged 5 to 10 years were recruited from schools located in two low socio-economic status communities in Dunedin, New Zealand. Accelerometers (Actigraph GT1M) and global positioning system units (Globalsat DG-100) were used to quantify and identify where physical activity had occurred over a 7-day period. Cross-sectional data were collected October to December 2007 (southern hemisphere spring) and the child's height and weight were measured at school. RESULTS: At least 84% of participants had accelerometer and global positioning system data available for five or more hourly periods per day, for at least 4 days. Overall, 1.9% of recorded activity took place at city parks (95% confidence interval: 1.4, 2.4), although this was 2.7% (95% confidence intervals: 0.7, 4.6) among obese children. CONCLUSIONS: Accelerometers and GPS data was able to be successfully recorded and matched among this age group. The proportion of children's activity taking place in parks with playgrounds was low, although this may still be important for some subgroups.
机译：目的：确定儿童在公共公园与操场上发生的体育活动的比例。方法：招募了5至10年的儿童（N = 184），招募了位于新西兰达尼丁的两个低位社会经济地位社区的学校。加速度计（Actigraph GT1M）和全球定位系统单元（Globalsat DG-100）用于量化和识别在7天内发生体育活动的位置。 2007年10月至12月（南半球春季）收集横断面数据，儿童的身高和体重在学校衡量。结果：至少84％的参与者的加速度计和全球定位系统数据每天可用5小时或更小时，至少为4天。总体而言，1.9％的记录活动发生在城市公园（95％的置信区间：1.4,2.4），虽然肥胖儿童中的2.7％（95％的置信区间：0.7,4.6）。结论：加速度计和GPS数据能够成功记录和匹配这个年龄组。儿童活动的比例在与游乐场的公园中发生得很低，但这对某些亚组仍然很重要。

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