Pilot Study on Bicycle Trains to Improve Children's Physical Activity

自行车列车改善儿童身体活动的试点研究

基本信息

  • 批准号:
    8607590
  • 负责人:
  • 金额:
    $ 11.1万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2013
  • 资助国家:
    美国
  • 起止时间:
    2013-02-01 至 2016-01-31
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): Physical activity decreases the risk of cardiovascular disease, Type 2 Diabetes, and multiple cancers, and is important for obesity prevention. US children's active commuting to school (ACS; walking or cycling to school), previously common (48% in 1969) is now uncommon (13% in 2009). This decline coincided with the obesity epidemic, which disproportionately affects low-income and ethnic minority children. Programs to increase children's moderate-to-vigorous physical activity (MVPA) and lower obesity risk are necessary. The Bicycle Train is an innovative program in which children cycle to and from school led by adults. Bicycle Trains provide another option for ACS, especially for children who live too far to walk to school. No randomized controlled trials (RCT) have evaluated Bicycle Trains and children's ACS or MVPA. Increasing the percent of children who cycle to school is sub-objective PA-14 of US Healthy People 2020. The Primary Goals are to (a) conduct a pilot cluster RCT of a Bicycle Train program among low- income, ethnic minority 4th and 5th grade children and (b) collect concurrent accelerometer and GPS data and validate algorithms to identify and measure physical activity intensity and duration for children's cycling compared to heart rate monitors. This pilot study will provide feasibility data and extend the validity of quantifying cycling-related MVPA for a future fully-powered R01-funded Bicycle Train cluster RCT. Our Specific Aims will be to: SA1) evaluate among 80 4th and 5th grade ethnic minority children the feasibility of a pilot cluster RCT of a Bicycle Train program for (a) recruiting participants for a planned full-scale cluster RCT (b) promoting their participation, and (c) identifying barriers/facilitators to their participation; and SA2) validate algorithms examining concurrent accelerometry and GPS data to identify and measure children's physical activity intensity and duration while cycling compared to the criterion standards of heart rate monitoring and direct observation Feasibility Criteria: As recommended for pilot studies, in which the main goal is to test feasibility of a research protocol, a fully powered R01-funded cluster RCT will be determined to be feasible if: FC 1) We successfully recruit 80 low-income 4th and 5th grade children for the pilot Bicycle Train cluster RCT FC 2) The intervention children participate in the Bicycle Train program on average twice/week or more FC 3) Algorithms analyzing concurrent GPS and accelerometer data have high agreement, i.e. >90% agreement, with heart rate data/direct observation in distinguishing children's cycling-related physical activity duration an intensity from other physical activities and riding in a motor vehicle This R21 application will provide important planning and methods validation targeted towards ethnic- minority children, the population at highest risk for childhood obesity in the US.
描述(由申请人提供):体力活动可降低心血管疾病、2 型糖尿病和多种癌症的风险,对于预防肥胖很重要。美国儿童积极通勤上学(ACS;步行或骑自行车上学)以前很常见(1969 年为 48%),但现在已不常见(2009 年为 13%)。这种下降与肥胖流行同时发生,肥胖对低收入和少数民族儿童的影响尤为严重。增加儿童中度至剧烈体力活动(MVPA)和降低肥胖风险的计划是必要的。自行车火车是一项创新计划,儿童在成人的带领下骑车上下学。自行车列车为 ACS 提供了另一种选择,特别是对于那些住得太远而无法步行上学的孩子。尚无随机对照试验 (RCT) 评估自行车列车和儿童 ACS 或 MVPA。提高骑自行车上学的儿童比例是 2020 年美国健康人口 PA-14 的子目标。主要目标是 (a) 在低收入、少数民族 4 年级和 5 年级儿童中开展自行车训练计划试点集群随机对照试验 (RCT),以及 (b) 收集并发加速度计和 GPS 数据并验证算法,以识别和测量儿童骑自行车的体力活动强度和持续时间(与心率监测器相比)。这项试点研究将为未来由 R01 资助的全动力自行车列车集群 RCT 提供可行性数据并扩展量化自行车相关 MVPA 的有效性。 我们的具体目标是: SA1) 在 80 名四年级和五年级少数族裔儿童中评估自行车训练计划试点集群 RCT 的可行性,以便 (a) 招募参与者参加计划中的全面集群 RCT (b) 促进他们的参与,以及 (c) 确定他们参与的障碍/促进因素; SA2) 验证检查并发加速度测量和 GPS 数据的算法,以识别和测量儿童在骑车时的体力活动强度和持续时间,并与心率监测和直接观察的标准进行比较。 可行性标准:根据试点研究的建议,其主要目标是测试研究方案的可行性,如果满足以下条件,则将确定由 R01 资助的全动力集群 RCT 是可行的: FC 1) 我们成功招募了 80 名低收入四年级和五年级儿童参加自行车火车集群试点 RCT FC 2) 干预儿童参加 自行车训练计划平均每周两次或以上 FC 3) 分析并发 GPS 和加速计数据的算法与心率数据/直接观察具有很高的一致性,即 >90% 的一致性,可区分儿童与自行车相关的身体活动持续时间和强度与其他身体活动和乘坐机动车辆。此 R21 应用程序将为少数族裔儿童(儿童期风险最高的人群)提供重要的规划和方法验证 美国的肥胖问题。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Jason A Mendoza其他文献

Jason A Mendoza的其他文献

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{{ truncateString('Jason A Mendoza', 18)}}的其他基金

Fit 5 Kids Screen Time Reduction Curriculum for Latino Preschoolers: A RCT
Fit 5 Kids 针对拉丁裔学龄前儿童的屏幕时间减少课程:随机对照试验
  • 批准号:
    10343737
  • 财政年份:
    2018
  • 资助金额:
    $ 11.1万
  • 项目类别:
Fit 5 Kids Screen Time Reduction Curriculum for Latino Preschoolers: A RCT
Fit 5 Kids 针对拉丁裔学龄前儿童的屏幕时间减少课程:随机对照试验
  • 批准号:
    10112898
  • 财政年份:
    2018
  • 资助金额:
    $ 11.1万
  • 项目类别:
Pilot Study on Bicycle Trains to Improve Children's Physical Activity
自行车列车改善儿童身体活动的试点研究
  • 批准号:
    8771938
  • 财政年份:
    2013
  • 资助金额:
    $ 11.1万
  • 项目类别:
Evaluation of a Walking School Bus Program: A Cluster Randomized Controlled Trial
步行校车项目的评估:整群随机对照试验
  • 批准号:
    8331808
  • 财政年份:
    2012
  • 资助金额:
    $ 11.1万
  • 项目类别:
Evaluation of a Walking School Bus Program: A Cluster Randomized Controlled Trial
步行校车项目的评估:整群随机对照试验
  • 批准号:
    8527742
  • 财政年份:
    2012
  • 资助金额:
    $ 11.1万
  • 项目类别:
Evaluation of a Walking School Bus Program: A Cluster Randomized Controlled Trial
步行校车项目的评估:整群随机对照试验
  • 批准号:
    8849861
  • 财政年份:
    2012
  • 资助金额:
    $ 11.1万
  • 项目类别:
Reducing Television Viewing to Prevent Obesity in Hispanic Preschool Children
减少看电视以预防西班牙裔学龄前儿童肥胖
  • 批准号:
    7895624
  • 财政年份:
    2008
  • 资助金额:
    $ 11.1万
  • 项目类别:
Pilot and Feasibility Evaluation of a Walking School Bus Program Intervention for
步行校车项目干预的试点和可行性评估
  • 批准号:
    7448293
  • 财政年份:
    2008
  • 资助金额:
    $ 11.1万
  • 项目类别:
Reducing Television Viewing to Prevent Obesity in Hispanic Preschool Children
减少看电视以预防西班牙裔学龄前儿童肥胖
  • 批准号:
    8101157
  • 财政年份:
    2008
  • 资助金额:
    $ 11.1万
  • 项目类别:
Reducing Television Viewing to Prevent Obesity in Hispanic Preschool Children
减少看电视以预防西班牙裔学龄前儿童肥胖
  • 批准号:
    7672536
  • 财政年份:
    2008
  • 资助金额:
    $ 11.1万
  • 项目类别:

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