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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >Greenspace and children's physical activity: a GPS/GIS analysis of the PEACH project.
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Greenspace and children's physical activity: a GPS/GIS analysis of the PEACH project.

机译：绿地与儿童的体育活动：对PEACH项目的GPS / GIS分析。

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OBJECTIVE: To quantify the volume and intensity of children's physical activity after school in greenspace and elsewhere. METHODS: Data were collected between 2006 and 2008 from 1,307 children aged 10-11 in Bristol, UK. Accelerometers and Global Positioning System receivers measured activity and location every 10 s (epoch) after school for four days. Data were mapped in a Geographic Information System with a greenspace dataset. Activity volume (accelerometer counts per minute), time in moderate-vigorous physical activity (MVPA), and the odds of an epoch being MVPA (using logistic regression) were compared for greenspace, non-greenspace and indoors. RESULTS: 13% of monitored time was spent outdoors (2% in greenspace), during which time 30% of activity volume and 35% of MVPA was accumulated. 7% of boys' activity volume and 9% of MVPA were in greenspace with girls slightly lower (5% and 6% respectively). The odds of an epoch being MVPA in greenspace relative to outdoor non-greenspace was 1.37 (95% CI 1.22-1.53) for boys and 1.08 (95% CI 0.95-1.22) for girls. CONCLUSION: Most activity occurring outdoors is not in greenspace and non-green urban environments are therefore very important for children's activity. However, when boys are in greenspace, activity is more likely to be of higher intensity.
机译：目的：量化放学后在绿地和其他地方儿童进行体育锻炼的数量和强度。方法：收集了2006年至2008年间英国布里斯托尔的1,307名10-11岁儿童的数据。加速度计和全球定位系统接收器在放学后每10秒钟（历时）测量一次活动和位置，持续四天。数据已在具有绿色空间数据集的地理信息系统中进行了映射。比较了绿色空间，非绿色空间和室内的活动量（每分钟的加速度计计数），中度剧烈运动的时间（MVPA）和MVPA的发生几率（使用逻辑回归）。结果：13％的监视时间花费在户外（2％在绿地中），在此期间累积了30％的活动量和35％的MVPA。男孩的活动量的7％和MVPA的9％的活动在绿地中，女孩的活动量略低（分别为5％和6％）。相对于室外非绿地，绿色空间中MVPA出现纪元的几率是男孩为1.37（95％CI 1.22-1.53​​），女孩为1.08（95％CI 0.95-1.22）。结论：大多数户外活动不在绿地中，因此非绿色城市环境对于儿童的活动非常重要。但是，当男孩在绿地中时，活动的强度更高。

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