A participatory parent-focused intervention promoting physical activity in preschools: design of a cluster-randomized trial.
A participatory parent-focused intervention promoting physical activity in preschools: design of a cluster-randomized trial.
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DOI：
10.1186/1471-2458-10-49
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发表时间：
2010-01-31
影响因子：
4.5
通讯作者：
Renz-Polster H
中科院分区：
文献类型：
--
作者：
De Bock F;Fischer JE;Hoffmann K;Renz-Polster H
随着儿童肥胖率的增加，促进身体活动（PA），特别是在幼儿中，已经变得更加重要。鉴于迄今为止大多数干预措施的效力有限，需要采取新的办法。一般系统理论认为，将父母作为干预目标可能会有效地培养儿童更健康的生活方式。我们描述了一个家长为中心的参与式干预的发展和程序，用于评估其有效性，增加日常PA在学龄前儿童。本研究确定了37所德国南部幼儿园，并同意参加。使用双臂，控制群集随机试验设计，我们测试的参与性干预与父母作为主要目标群体和潜在的代理人的行为改变。具体而言，干预措施的目的是让家长参与项目想法的发展、完善和选择，以促进PA，并将这些想法纳入由儿童、教师和家长组成的学前社区的日常工作中。我们的研究是嵌入在现有的国家赞助的计划提供结构化的健身课程，学龄前儿童。因此，将以家长为中心的干预和国家赞助的项目的研究组的基于儿童的PA结果与仅使用国家赞助的项目的研究组的结果进行比较。该评价需要对研究结果进行基线测量，以及在6个月和12个月时进行随访测量。加速度测量法测量六天内的PA强度，六天内的平均值用作主要结局指标。次要结果包括儿童的BMI、多个部位的平均皮褶厚度测量值和PA行为。纵向多水平模型用于评估受试者内的变化和研究结果的组间差异，在学前和个人水平的协变量进行调整。教师质性访谈监测干预实施过程。让家长积极参与的鼓励性办法有可能以更适合当地需要和更可持续的方式促进家长参与。我们的混合方法的方法来评估干预措施的有效性和实施采用定量和定性的措施，在集群随机对照试验可以作为一个框架，评估公共卫生干预措施，在学前设置。clinicaltrials.gov No：NCT00987532
With rates of childhood obesity increasing, physical activity (PA) promotion especially in young children has assumed greater importance. Given the limited effectiveness of most interventions to date, new approaches are needed. The General Systems theory suggests that involving parents as intervention targets may be effective in fostering healthier life styles in children. We describe the development of a parent-focused participatory intervention and the procedures used to evaluate its effectiveness in increasing daily PA in preschoolers. Thirty-seven South German preschools were identified for this study and agreed to participate. Using a two-armed, controlled cluster-randomized trial design we test a participatory intervention with parents as the primary target group and potential agents of behavioural change. Specifically, the intervention is designed to engage parents in the development, refinement and selection of project ideas to promote PA and in incorporating these ideas into daily routines within the preschool community, consisting of children, teachers and parents. Our study is embedded within an existing state-sponsored programme providing structured gym lessons to preschool children. Thus, child-based PA outcomes from the study arm with the parent-focused intervention and the state-sponsored programme are compared with those from the study arm with the state-sponsored programme alone. The evaluation entails baseline measurements of study outcomes as well as follow-up measurements at 6 and 12 months. Accelerometry measures PA intensity over a period of six days, with the mean over six days used as the primary outcome measure. Secondary outcomes include childrens' BMI, a sum of averaged skin fold thickness measurements across multiple sites, and PA behaviour. Longitudinal multilevel models are used to assess within-subject change and between-group differences in study outcomes, adjusted for covariates at the preschool and individual levels. Teacher qualitative interviews monitor the intervention implementation process. Participatory approaches that actively involve parents have the potential to promote PA in ways that might be better tailored to local needs and more sustainable. Our mixed methods approach to assess the intervention efficacy and implementation employing both quantitative and qualitative measures within a cluster-randomized controlled trial may serve as a framework for evaluating public health interventions in preschool settings. clinicaltrials.gov No: NCT00987532
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