Effect of Wearable Technology Combined With a Lifestyle Intervention on Long-term Weight Loss: The IDEA Randomized Clinical Trial.
Effect of Wearable Technology Combined With a Lifestyle Intervention on Long-term Weight Loss: The IDEA Randomized Clinical Trial.
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DOI：
10.1001/jama.2016.12858
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发表时间：
2016-09-20
期刊：
影响因子：
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通讯作者：
Belle SH
中科院分区：
文献类型：
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作者：
Jakicic JM;Davis KK;Rogers RJ;King WC;Marcus MD;Helsel D;Rickman AD;Wahed AS;Belle SH
需要有效的长期治疗来解决肥胖流行病。有许多针对体育活动和饮食的可穿戴技术，但目前还不清楚这些技术是否能有效地改善减肥效果。为了验证这一假设，即与标准行为减肥干预（SBWI）相比，技术增强干预（EWLI）将导致更大的体重减轻。2010年10月至2012年10月期间入组受试者的随机试验，数据收集于2014年12月完成。该研究在匹兹堡大学（宾夕法尼亚州匹兹堡）进行。参与者随机接受SBWI（N = 233）或EWLI（N = 237）干预。参与者被安排低热量饮食，规定增加体力活动，并进行团体咨询。在6个月时，干预措施增加了电话咨询会议，短信提示，并在网站上访问学习材料。在6个月时，SBWI开始使用网站自我监测饮食和身体活动，而EWLI提供可穿戴设备和随附的网络界面来监测饮食和身体活动。在24个月内以6个月的间隔测量体重的主要结局，主要假设检验了24个月时两组之间的体重变化。次要结果包括身体成分、健身、体育活动和饮食摄入。在随机分配的470名参与者中（BMI：25至<40 kg/m2;年龄：18 - 35岁; 28.9%非白人，77.2%女性），74.5%完成了研究。24个月时的体重变化在干预组之间存在显著差异[EWLI和SBWI的估计平均体重减轻分别为3.5 kg（95% CI：2.6，4.5）和5.9 kg（95% CI：5.0，6.8），差异为2.4 kg（95% CI：3.7，1.0），p = 0.002]。两组在身体成分、健身、体育活动和饮食方面都有显著改善，两组之间没有显著差异。在BMI在25至<40 kg/m2之间的年轻人中，在标准行为干预中添加可穿戴技术设备导致24个月内体重减轻较少。监测和提供身体活动反馈的设备可能不会提供比标准行为减肥方法更好的优势。clinicaltrials.gov
Effective long-term treatments are needed to address the obesity epidemic. There are numerous wearable technologies specific to physical activity and diet, but it is unclear if these are effective at improving weight loss. To test the hypothesis that, compared with a standard behavioral weight loss intervention (SBWI), a technology-enhanced intervention (EWLI) would result in greater weight loss. Randomized trial with participants enrolled between October 2010 and October 2012, with data collection completed by December 2014. The study was conducted at the University of Pittsburgh (Pittsburgh, PA). Participants were randomized to SBWI (N=233) or EWLI (N=237) interventions. Participants were placed on a low calorie diet, prescribed increases in physical activity, and had group counseling sessions. At 6 months the interventions added telephone counseling sessions, text message prompts, and access to study materials on a website. At 6 months SBWI initiated self-monitoring of diet and physical activity using a website, whereas EWLI was provided a wearable device and accompanying web interface to monitor diet and physical activity. The primary outcome of weight was measured over 24 months at 6 months intervals, and the primary hypothesis tested the change in weight between two groups at 24 months. Secondary outcomes included body composition, fitness, physical activity, and dietary intake. Among the 470 participants randomized (BMI: 25 to <40 kg/m2; age: 18–35 years; 28.9% non-white, 77.2% female), 74.5% completed the study. Weight change at 24-months differed significantly by intervention groups [estimated mean weight loss of 3.5 kg (95% CI: 2.6, 4.5) in EWLI and 5.9 kg (95% CI: 5.0, 6.8) in SBWI, difference of 2.4 kg (95% CI 3.7, 1.0), p=0.002]. Both groups had significant improvements in body composition, fitness, physical activity, and diet, with no significant difference between groups. Among young adults with a BMI between 25 to <40 kg/m2, the addition of a wearable technology device to a standard behavioral intervention resulted in less weight loss over 24 months. Devices that monitor and provide feedback on physical activity may not offer an advantage over standard behavioral weight loss approaches. clinicaltrials.gov (NCT01131871)