Parental report of outdoor playtime as a measure of physical activity in preschool-aged children
Parental report of outdoor playtime as a measure of physical activity in preschool-aged children
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DOI：
10.1001/archpedi.158.4.353
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发表时间：
2004-04-01
影响因子：
--
通讯作者：
Daniels, SR
中科院分区：
文献类型：
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作者：
Burdette, HL;Whitaker, RC;Daniels, SR
背景：让幼儿保持身体活跃是促进其健康和幸福的一项重要策略。据我们所知，目前尚无针对学龄前儿童身体活动的调查测量方法。在户外玩耍的时间是学龄前儿童身体活动的一个潜在替代指标，但家长报告的户外玩耍时间测量方法尚未得到评估。
目的：将一种针对学龄前儿童身体活动的直接测量方法与两种家长报告的儿童户外玩耍时间测量方法进行比较。
主要结果测量指标：使用三维加速度计记录250名学龄前儿童三天的数据，以直接测量其身体活动。我们计算了每个儿童清醒时每分钟的平均矢量幅度。家长报告的户外玩耍时间通过两种方式测量：（1）用于记录三天户外玩耍时间的检查表得分；（2）回忆上个月每日通常的户外玩耍分钟数。我们计算了这三种测量方法之间的斯皮尔曼等级相关系数。
结果：这些儿童的平均年龄为44个月，87.7%为白人，12.3%为黑人。家长报告称他们的孩子平均（±标准差）每天在户外玩耍146（±113）分钟。加速度计测量的身体活动与检查表测量的户外玩耍时间显著相关（r = 0.33，P<...（此处原文似乎不完整）
Background: Keeping young children physically active is an important strategy to promote their health and wellbeing. To our knowledge, survey measures of physical activity in preschool-aged children are unavailable. Time spent playing outdoors is a potential surrogate measure of physical activity in preschoolers, but parental-report measures of outdoor playtime have not been evaluated.Objective: To compare a direct measure of physical activity in preschool-aged children with 2 parental-report measures of children's outdoor playtime.Main Outcome Measures: Three days of recording with a 3-dimensional accelerometer were used to directly measure physical activity in 250 preschool-aged children. We calculated each child's average vector magnitude per minute while awake. Parental report of outdoor playtime was measured in 2 ways: (1) the score from a checklist used to record outdoor playtime over 3 days and (2) a recall of the usual minutes of daily outdoor playtime during the prior month. We calculated Spearman rank correlation coefficients among these 3 measures.Results: The mean age of the children was 44 months, 87.7% were white, and 12.3% were black. Parents reported that their children spent a mean (+/-SD) of 146 (+/-113) minutes playing outdoors each day. Physical activity as measured by the accelerometer was significantly correlated to the time spent playing outdoors, as measured by the checklist (r=0.33, P