Krukowski Rebecca A, Day Kelsey R, You Wen, Pellegrini Christine A, West Delia S
Department of Public Health Sciences, School of Medicine, University of Virginia, USA.
Department of Public Health Sciences, School of Medicine, University of Virginia, USA.
Contemp Clin Trials. 2024 Dec;147:107711. doi: 10.1016/j.cct.2024.107711. Epub 2024 Oct 11.
Rural residents are more impacted by obesity and related comorbidities than their urban counterparts. Digital weight management interventions may produce meaningful weight loss among rural residents.
The iREACH Rural Study aims to identify "high-touch" component(s) that contribute to meaningful weight loss (≥1.5 kg) at 6-months, over and above what the 24-week core online program produces. Three treatment components are assessed: group video sessions (yes/no); self-monitoring feedback (counselor-crafted/pre-scripted, modular); and individual coaching calls (yes/no).
The iREACH Rural Study is a factorial experiment (n = 616).
Participants receive up to 3 "high-touch" components (weekly synchronous facilitated group video sessions, weekly counselor-crafted self-monitoring feedback, and individual coaching calls) to determine which contribute meaningfully to 6-month weight loss. Participants complete assessments at baseline, 2 months, 6 months, and 12 months. Weight loss at 6 months (primary outcome) and 12 months (secondary outcome) is measured by Bluetooth-enabled scales. The study seeks to identify the weight loss approach for underserved rural residents which optimizes weight change outcomes and also examines costs associated with delivering different treatment constellations.
The iREACH Rural Study is the first of its kind to isolate digital weight loss intervention components to determine which meaningfully contribute to long-term weight loss among rural residing individuals. The results may be used to refine digital weight loss programs by enhancing their effectiveness to allow broad dissemination.
农村居民比城市居民更容易受到肥胖及其相关合并症的影响。数字体重管理干预措施可能会使农村居民实现有意义的体重减轻。
iREACH农村研究旨在确定在24周核心在线课程之外，有助于在6个月时实现有意义体重减轻（≥1.5千克）的“高接触”要素。评估三个治疗要素：小组视频会议（是/否）；自我监测反馈（由顾问精心设计/预先编写脚本，模块化）；以及个人辅导电话（是/否）。
iREACH农村研究是一项析因实验（n = 616）。
参与者接受多达3个“高接触”要素（每周同步进行的有指导的小组视频会议、每周由顾问精心设计的自我监测反馈以及个人辅导电话），以确定哪些要素对6个月的体重减轻有显著贡献。参与者在基线、2个月、6个月和12个月时完成评估。6个月（主要结果）和12个月（次要结果）时的体重减轻通过蓝牙秤测量。该研究旨在确定为服务不足的农村居民优化体重变化结果的减肥方法，并检查提供不同治疗组合的相关成本。
iREACH农村研究是同类研究中首个分离数字减肥干预要素以确定哪些要素对农村居民的长期体重减轻有显著贡献的研究。研究结果可用于通过提高数字减肥计划的有效性来优化这些计划，以便广泛传播。
