Background In line with WHO guidelines, the UK government currently recommends that school-aged children participate in at least 60 minutes, and up to several hours, of at least moderate physical activity on a daily basis. A recent health survey indicates that the amount of reported physical activity varies by age, gender and socioeconomic status. The objective of this study is to identify what types of activity contribute most towards overall physical activity in children who achieve the UK physical activity recommendations; and how this varies according to age, gender and socioeconomic status. Methods Self-reported physical activity was captured through the Health Survey for England 2008, a nationally representative, cross-sectional survey. We analysed data from 1,110 children aged 5–15 years who reported meeting the UK physical activity recommendations. The proportions of total physical activity achieved in various domains of activity were calculated and associations with age, gender and socioeconomic status were examined. Results Active play was the largest contributor to overall physical activity (boys?=?48%, girls?=?53%), followed by walking (boys?=?17%, girls?=?23%). Active school travel contributed only a small proportion (6% for boys and girls). With increasing age, the contribution from active play decreased (rho?=?-0.417; p?
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机译：背景技术根据世界卫生组织的指导方针，英国政府目前建议学龄儿童每天至少参加60分钟，长达几个小时，至少进行中等程度的体育锻炼。最近的一项健康调查表明，所报告的体育活动量因年龄，性别和社会经济状况而异。这项研究的目的是确定哪些类型的活动对达到英国体育锻炼建议的儿童的整体体育锻炼贡献最大;以及如何根据年龄，性别和社会经济地位而变化。方法自我报告的体育活动是通过2008年英格兰健康调查（一项全国性的横断面调查）捕获的。我们分析了1,110名5-15岁儿童的数据，他们报告达到了英国的体育锻炼建议。计算在各个活动领域中实现的全部体育锻炼的比例，并检查与年龄，性别和社会经济地位的关系。结果积极运动是整体体育活动的最大贡献者（男孩占48％，女孩占53％），其次是步行（男孩占17％，女孩占23％）。积极的学校旅行只占很小的比例（男孩和女孩为6％）。随着年龄的增长，活跃运动的贡献（rho ==-0.417; p 0.001）和步行（rho == 0.257; p 0.001）和正式运动的贡献（rho == 0.001）。 0.219;p≤＜0.001）增加。在所有年龄段，男孩对体育的贡献均大于女孩。随着剥夺的增加，体育运动的贡献也相应减少（rho ==-0.191; p 0.001）。结论在活跃儿童中，对整体体育锻炼的贡献因年龄，社会经济地位和性别而异。这些知识可用于适当地针对干预措施，以增加儿童在人群水平上的身体活动。
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