Furthering Scientific Inquiry for Weight Loss Maintenance: Assessing the Psychological Processes Impacted by a Low intensity Technology-Assisted Intervention (NULevel Trial).

IF 3.6 2区 心理学 Q1 PSYCHOLOGY, MULTIDISCIPLINARY
Keven Joyal-Desmarais, Alexander J Rothman, Elizabeth H Evans, Vera Araújo-Soares, Falko F Sniehotta
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引用次数: 0

Abstract

Background: NULevel was a randomized control trial to evaluate a technology-assisted weight loss maintenance (WLM) program in the UK. The program included: (a) a face-to-face goal-setting session; (b) an internet platform, a pedometer, and wirelessly connected scales to monitor and report diet, physical activity, and weight, and; (c) regular automated feedback delivered by mobile phone, tailored to participants' progress. Components were designed to target psychological processes linked to weight-related behavior. Though intervention participants showed increased physical activity, there was no difference in WLM between the intervention and control groups after 12 months (Sniehotta FF, Evans EH, Sainsbury K, et al. Behavioural intervention for weight loss maintenance versus standard weight advice in adults with obesity: A randomized controlled trial in the UK (NULevel Trial). PLoS Med. 2019; 16(5):e1002793. doi:10.1371/journal.pmed.1002793). It is unclear whether the program failed to alter targeted psychological processes, or whether changes in these processes failed to influence WLM.

Purpose: We evaluate whether the program influenced 16 prespecified psychological processes (e.g., self-efficacy and automaticity toward diet and physical activity), and whether these processes (at 6 months) were associated with successful WLM (at 12 months).

Methods: 288 adults who had previously lost weight were randomized to the intervention or control groups. The control group received wireless scales and standard advice via newsletters. Assessments occurred in person at 0, 6, and 12 months.

Results: The intervention significantly altered 10 of the 16 psychological processes, compared with the control group. However, few processes were associated with WLM, leading to no significant indirect effects of the intervention via the processes on WLM.

Conclusions: Changes in targeted processes were insufficient to support WLM. Future efforts may more closely examine the sequence of effects between processes, behavior, and WLM.

进一步开展科学研究以维持减肥效果:评估低强度技术辅助干预对心理过程的影响(NULevel 试验)。
背景:NULevel 是一项随机对照试验,旨在评估英国的一项技术辅助减肥维持计划 (WLM)。该计划包括(a) 面对面的目标设定会议;(b) 互联网平台、计步器和无线连接的体重秤,用于监测和报告饮食、运动量和体重;(c) 根据参与者的进展情况,通过手机定期提供自动反馈。干预内容针对与体重相关行为有关的心理过程。虽然干预参与者的体育锻炼有所增加,但 12 个月后,干预组和对照组的 WLM 没有差别(Sniehotta FF、Evans EH、Sainsbury K 等:《对肥胖成人进行减肥维持行为干预与标准体重建议》:英国随机对照试验(NULevel 试验)。PLoS Med.2019;16(5):e1002793. doi:10.1371/journal.pmed.1002793)。目的:我们评估了该项目是否影响了16个预先指定的心理过程(如自我效能感以及对饮食和体育锻炼的自动性),以及这些过程(6个月时)是否与成功的WLM(12个月时)相关。方法:288名曾经减肥的成年人被随机分配到干预组或对照组。对照组接受无线体重秤和通过通讯提供的标准建议。在 0、6 和 12 个月时亲自进行评估:结果:与对照组相比,干预措施明显改变了 16 个心理过程中的 10 个。然而,与 WLM 相关的过程很少,因此干预措施没有通过这些过程对 WLM 产生明显的间接影响:结论:目标过程的改变不足以支持 WLM。未来的工作可能会更密切地研究过程、行为和 WLM 之间的效应顺序。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Annals of Behavioral Medicine
Annals of Behavioral Medicine PSYCHOLOGY, MULTIDISCIPLINARY-
CiteScore
7.00
自引率
5.30%
发文量
65
期刊介绍: Annals of Behavioral Medicine aims to foster the exchange of knowledge derived from the disciplines involved in the field of behavioral medicine, and the integration of biological, psychosocial, and behavioral factors and principles as they relate to such areas as health promotion, disease prevention, risk factor modification, disease progression, adjustment and adaptation to physical disorders, and rehabilitation. To achieve these goals, much of the journal is devoted to the publication of original empirical articles including reports of randomized controlled trials, observational studies, or other basic and clinical investigations. Integrative reviews of the evidence for the application of behavioral interventions in health care will also be provided. .
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