Evaluation of a walking school bus program: a cluster randomized controlled trial.

IF 5.6 1区医学 Q1 NUTRITION & DIETETICS

International Journal of Behavioral Nutrition and Physical Activity Pub Date : 2024-05-10 DOI:10.1186/s12966-024-01602-w

Ashleigh M Johnson, Chuan Zhou, Miriam Haviland, Jason A Mendoza

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引用次数: 0

Abstract

Background: The purpose of this study was to investigate the effects of a walking school bus intervention on children's active commuting to school.

Methods: We conducted a randomized controlled trial (RCT) in Houston, Texas (Year 1) and Seattle, Washington (Years 2-4) from 2012 to 2016. The study had a two-arm, cluster randomized design comparing the intervention (walking school bus and education materials) to the control (education materials) over one school year October/November - May/June). Twenty-two schools that served lower income families participated. Outcomes included percentage of days students' active commuting to school (primary, measured via survey) and moderate-to-vigorous physical activity (MVPA, measured via accelerometry). Follow-up took place in May or June. We used linear mixed-effects models to estimate the association between the intervention and outcomes of interest.

Results: Total sample was 418 students [M_age=9.2 (SD = 0.9) years; 46% female], 197 (47%) in the intervention group. The intervention group showed a significant increase compared with the control group over time in percentage of days active commuting (β = 9.04; 95% CI: 1.10, 16.98; p = 0.015) and MVPA minutes/day (β = 4.31; 95% CI: 0.70, 7.91; p = 0.02).

Conclusions: These findings support implementation of walking school bus programs that are inclusive of school-age children from lower income families to support active commuting to school and improve physical activity.

Trail registration: This RCT is registered at clinicaltrials.gov (NCT01626807).

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步行校车计划评估：分组随机对照试验。

研究背景本研究旨在调查步行校车干预措施对儿童主动上下学的影响：从 2012 年到 2016 年，我们在德克萨斯州休斯顿（第一年）和华盛顿州西雅图（第二至第四年）开展了一项随机对照试验（RCT）。该研究采用双臂、分组随机设计，在一个学年（10 月/11 月至次年 5 月/6 月）内比较干预措施（步行校车和教育材料）与对照措施（教育材料）。22 所为低收入家庭提供服务的学校参与了这项活动。结果包括学生主动上下学的天数百分比（小学，通过调查测量）和中强度体育活动（MVPA，通过加速度计测量）。跟踪调查在 5 月或 6 月进行。我们使用线性混合效应模型来估计干预措施与相关结果之间的关联：样本总数为 418 名学生[年龄=9.2（标准差=0.9）岁；46% 为女性]，其中 197 人（47%）属于干预组。随着时间的推移，干预组与对照组相比，在积极通勤天数百分比（β = 9.04；95% CI：1.10, 16.98；p = 0.015）和 MVPA 分钟/天（β = 4.31；95% CI：0.70, 7.91；p = 0.02）方面均有显著增加：这些研究结果支持实施步行校车计划，该计划将低收入家庭的学龄儿童纳入其中，以支持积极的通勤上学方式并改善体育锻炼：该 RCT 已在 clinicaltrials.gov 注册（NCT01626807）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Behavioral Nutrition and Physical Activity 医学-生理学

CiteScore

13.80

自引率

3.40%

发文量

138

审稿时长

4-8 weeks

期刊介绍： International Journal of Behavioral Nutrition and Physical Activity (IJBNPA) is an open access, peer-reviewed journal offering high quality articles, rapid publication and wide diffusion in the public domain. IJBNPA is devoted to furthering the understanding of the behavioral aspects of diet and physical activity and is unique in its inclusion of multiple levels of analysis, including populations, groups and individuals and its inclusion of epidemiology, and behavioral, theoretical and measurement research areas.