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首页> 美国卫生研究院文献>Telemedicine Journal and e-Health >Wearable Sensor/Device (Fitbit One) and SMS Text-Messaging Prompts to Increase Physical Activity in Overweight and Obese Adults: A Randomized Controlled Trial
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Wearable Sensor/Device (Fitbit One) and SMS Text-Messaging Prompts to Increase Physical Activity in Overweight and Obese Adults: A Randomized Controlled Trial

机译：可穿戴式传感器/设备（Fitbit One）和SMS短信提示增加超重和肥胖成年人的体育锻炼：一项随机对照试验

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>Background: Studies have shown self-monitoring can modify health behaviors, including physical activity (PA). This study tested the utility of a wearable sensor/device (Fitbit® One™; Fitbit Inc., San Francisco, CA) and short message service (SMS) text-messaging prompts to increase PA in overweight and obese adults. >Materials and Methods: Sixty-seven adults wore a Fitbit One tracker for 6 weeks; half were randomized to also receive three daily SMS-based PA prompts. The Fitbit One consisted of a wearable tracker for instant feedback on performance and a Web site/mobile application (app) for detailed summaries. Outcome measures were objectively measured steps and minutes of PA by intensity using two accelerometers: Actigraph™ (Pensacola, FL) GT3X+ (primary measure) at baseline and Week 6 and Fitbit One (secondary measure) at baseline and Weeks 1, 2, 3, 4, 5, and 6. >Results: Mixed-model repeated-measures analysis of primary measures indicated a significant within-group increase of +4.3 (standard error [SE]=2.0) min/week of moderate- to vigorous-intensity PA (MVPA) at 6-week follow-up (p=0.04) in the comparison group (Fitbit only), but no study group differences across PA levels. Secondary measures indicated the SMS text-messaging effect lasted for only 1 week: the intervention group increased by +1,266 steps (SE=491; p=0.01), +17.8 min/week MVPA (SE=8.5; p=0.04), and +38.3 min/week total PA (SE=15.9; p=0.02) compared with no changes in the comparison group, and these between-group differences were significant for steps (p=0.01), fairly/very active minutes (p<0.01), and total active minutes (p=0.02). >Conclusions: These data suggest that the Fitbit One achieved a small increase in MVPA at follow-up and that the SMS-based PA prompts were insufficient in increasing PA beyond 1 week. Future studies can test this intervention in those requiring less help and/or test strategies to increase participants' engagement levels.
机译：>背景：研究表明，自我监测可以改变健康行为，包括体育锻炼（PA）。这项研究测试了可穿戴式传感器/设备（Fitbit ® One™； Fitbit Inc.，加利福尼亚州旧金山）和短消息服务（SMS）文本消息提示的实用性，以提高超重和体重的PA。肥胖的成年人。 >材料和方法：67名成年人佩戴了Fitbit One追踪器6周；一半被随机分配，还每天接收三个基于SMS的PA提示。 Fitbit One包括一个可穿戴式跟踪器，用于即时反馈性能信息；一个网站/移动应用程序（app），用于详细汇总。结果指标是使用两个加速度计通过强度客观地测量PA的步长和分钟数：Actigraph™（佛罗里达州彭萨科拉）GT3X +（主要指标）在基线和第6周，Fitbit One（次要指标）在基线以及第1,2、3、3周4、5和6。>结果：主要措施的混合模型重复措施分析表明，中等水平的小组/每周显着增加+4.3（标准误[SE] = 2.0） -比较组（仅Fitbit）在6周的随访中达到高强度PA（MVPA）（p = 0.04）（但Fitbit仅适用于研究组）。二级措施表明，SMS文本消息传递效果仅持续了1周：干预组增加了+1,266步（SE = 491； p = 0.01），+ 17.8分钟/周MVPA（SE = 8.5； p = 0.04）和+38.3分钟/周的总PA（SE = 15.9; p = 0.02）与对照组相比没有变化，并且这些组间差异对于步长（p = 0.01），相当/非常活跃的分钟（p <0.01）有显着影响）和总活动分钟数（p = 0.02）。 >结论：这些数据表明，Fitbit One在随访时MVPA略有增加，并且基于SMS的PA提示不足以将PA增加超过1周。未来的研究可以在需要较少帮助的人中测试这种干预措施和/或测试策略以提高参与者的参与度。

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