Chillón Palma, Hales Derek, Vaughn Amber, Gizlice Ziya, Ni Andy, Ward Dianne S
Department of Nutrition in the Gillings School of Global Public Health, Chapel Hill, NC 27599, USA.
Int J Behav Nutr Phys Act. 2014 May 9;11:61. doi: 10.1186/1479-5868-11-61.
Promoting daily routine physical activities, such as active travel to school, may have important health implications. Practitioners and policy makers must understand the variety of factors that influence whether or not a child uses active school travel. Several reviews have identified both inhibitors and promoters of active school travel, but few studies have combined these putative characteristics in one analysis. The purpose of this study is to examine associations between elementary school children's active school travel and variables hypothesized as correlates (demographics, physical environment, perceived barriers and norms).
The current project uses the dataset from the National Evaluation of Walk to School (WTS) Project, which includes data from 4th and 5th grade children and their parents from 18 schools across the US. Measures included monthly child report of mode of school travel during the previous week (n = 10,809) and perceived barriers and social norms around active school travel by parents (n = 1,007) and children (n = 1,219). Generalized linear mixed models (GLMM) with log-link functions were used to assess bivariate and multivariate associations between hypothesized correlates and frequency of active school travel, assuming random school effect and controlling for the distance to school.
The final model showed that the most relevant significant predictors of active school travel were parent's perceived barriers, specifically child resistance (Estimate = -0.438, p < 0.0001) and safety and weather (Estimate = -0.0245, p < 0.001), as well as the school's percentage of Hispanic students (Estimate = 0.0059, p < 0.001), after adjusting for distance and including time within school cluster as a random effect.
Parental concerns may be impacting children's use of active school travel, and therefore, future interventions to promote active school travel should more actively engage parents and address these concerns. Programs like the Walk to School program, which are organized by the schools and can engage community resources such as public safety officials, could help overcome many of these perceived barriers to active transport.
推广日常体育活动,如步行上学,可能对健康有重要影响。从业者和政策制定者必须了解影响孩子是否采用步行上学的各种因素。多项综述已确定了步行上学的阻碍因素和促进因素,但很少有研究将这些假定特征纳入同一分析。本研究的目的是探讨小学生步行上学与假设为相关因素(人口统计学、物理环境、感知障碍和规范)的变量之间的关联。
当前项目使用了全国步行上学(WTS)项目评估数据集,其中包括来自美国18所学校的四年级和五年级学生及其家长的数据。测量指标包括孩子对前一周上学出行方式的月度报告(n = 10809),以及家长(n = 1007)和孩子(n = 1219)对步行上学的感知障碍和社会规范。采用带有对数链接函数的广义线性混合模型(GLMM)来评估假设相关因素与步行上学频率之间的双变量和多变量关联,假设学校为随机效应,并控制到学校的距离。
最终模型显示,在调整距离并将学校集群内的时间作为随机效应纳入后,步行上学最相关的显著预测因素是家长的感知障碍,特别是孩子的抵触情绪(估计值 = -0.438,p < 0.0001)以及安全和天气因素(估计值 = -0.0245,p < 0.001),还有学校中西班牙裔学生的比例(估计值 = 0.0059,p < 0.001)。
家长的担忧可能会影响孩子步行上学的情况,因此,未来促进步行上学的干预措施应更积极地让家长参与并解决这些担忧。像步行上学计划这样由学校组织并能调动社区资源(如公共安全官员)的项目,有助于克服许多这些被感知到的主动出行障碍。