a Department of Kinesiology and Sport Management , Texas Tech University , Lubbock , TX , USA.
b Faculty of Sports and Health Education , Lithuanian University of Educational Sciences , Vilnius , Lithuania.
J Sports Sci. 2018 Aug;36(16):1889-1896. doi: 10.1080/02640414.2018.1423886. Epub 2018 Jan 10.
This study examined the effects of utilizing a wearable activity tracker in a credit-based physical activity instructional program (PAIP) for promoting physical activity (PA) in college students. Fourteen PAIP courses in a large public university were randomly assigned into intervention (k = 7; n = 101) and control (k = 7; n = 86) groups. All courses focused on a core curriculum that covers basic exercise and behavioral science contents through lectures and activity sessions. A Misfit Flash activity tracker was provided to students in the intervention group. Objective PA assessments occurred at baseline, mid-, and end-of-semester during a 15-week academic semester. The control group showed a significant reduction in moderate- and vigorous-intensity PA (MVPA) minutes from baseline to the end-of-semester (P <.05), whereas the intervention group showed no changes in MVPA minutes over time. However, the intervention group also showed increased sedentary time and decreased time spent in light-intensity PA during the intervention period. Taken together, the present study found null effects of utilizing the wearable activity tracker in promoting PA in college students suggesting that intervention of primary using the wearable activity tracker as a behavior change strategy may not be effective to increase in PA in this setting.
本研究考察了在基于学分的体力活动教学计划（PAIP）中使用可穿戴活动追踪器对促进大学生体力活动（PA）的影响。在一所大型公立大学中，14 门 PAIP 课程被随机分配到干预组（k=7；n=101）和对照组（k=7；n=86）。所有课程都侧重于通过讲座和活动课程涵盖基本运动和行为科学内容的核心课程。干预组向学生提供 Misfit Flash 活动追踪器。在 15 周的学术学期中，在基线、中期和学期末进行客观的 PA 评估。对照组从中期到学期末的中等至剧烈强度 PA（MVPA）分钟数显著减少（P<.05），而干预组的 MVPA 分钟数在整个时间内没有变化。然而，干预组在干预期间的久坐时间也增加了，而轻强度 PA 的时间减少了。综上所述，本研究发现，在促进大学生 PA 方面，使用可穿戴活动追踪器的效果为零，这表明在这种情况下，将可穿戴活动追踪器作为行为改变策略的主要干预措施可能无法有效增加 PA。
