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一个同龄人为青少年女孩带领的步行干预 (WISH研究):一个集群随机对照试验

Marie H Murphy¹, S Maria O'Kane², Angela Carlin³

¹Centre for Exercise Medicine, Physical Activity and Health, Sports and Exercise Sciences Research Institute, Ulster University, Belfast, UK; Physical Activity for Health Research Centre (PHARC), Institute for Sport, Physical Education and Health Sciences, University of Edinburgh, Edinburgh, UK.

Lancet (London, England)

|November 24, 2023

概括

在爱尔兰和英国,以学校为基础的步行计划没有增加青少年女孩的体力活动. 尽管受益人数很少,但干预的有效性却很低,这凸显了实施的挑战.

科学领域:

公共卫生
青少年的健康
运动科学

背景情况:

英国和爱尔兰的青少年女孩体育活动水平较低,不符合推指南.
在青春期建立的PA行为往往持续到成年.
虽然步行干预对于成年人来说是有效的,但它们对青少年PA的影响不太清楚.

研究的目的:

评估一项旨在增加青少年女孩血压的新型学校步行干预措施的有效性.
评估同龄人带领的步行计划在年轻女学生中促进身体活动的潜力.

主要方法:

一个集群随机对照试验,涉及爱尔兰和北爱尔兰18所学校的589名12至14岁的女学生.
干预学校的特色是训练有素的老年学生 (15-18岁) 在学时带领10-15分钟的步行.
使用加速计测量了整个学年 (18 - 21周) 的全血压.

主要成果:

干预组和对照组之间没有观察到干预后总PA (每分钟计数) 的显著差异 (p=0. 213).
基线血压水平表明,两组中很少有女孩达到每天60分钟的中度至强度血压指南.
尽管学生们很高兴,但参观人数却很少.

结论:

实施的基于学校的步行干预措施没有导致青少年女孩的血压水平增加.
在学校环境中的干预可扩展性和实施方面的挑战可能会因流行病后的变化而加剧,需要进一步调查.
未来的研究应该探索加强学校PA计划的坚持和参与的策略.

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