关键词: Habit formation N-of-1 Personalized trial Physical activity older adults

来  源:   DOI:10.1016/j.conctc.2023.101135   PDF(Pubmed)

Abstract:
UNASSIGNED: Personalized interventions that can be delivered remotely are needed to increase physical activity (PA) in older adults to reduce risk of CV disease and mortality. Prior research indicates that Behavioral Change Techniques (BCTs) (e.g., goal setting, self-monitoring, behavioral repetition) can instill a habit for increasing daily walking. However, past interventions relied on between-subject randomized clinical trials, which can only only be informative about response of the hypothetical average person. Personalized trial designs can identify the benefits of an intervention for a specific individual although extended periods are required for collecting frequent measurements within-subject. Advances in remote, virtual technologies (e.g., text messaging, activity trackers), integrated with automatic platforms, can meet these requirements because they capacitate delivery of BCT interventions, and collection of data during daily life without personal contact. This Stage I-b trial is designed test whether a virtual, personalized intervention is feasible and acceptable to older adults, can elicit participant adherence and exhibit preliminary evidence for efficacy.
UNASSIGNED: A series of up to 60 single-arm, personalized trials, involving no personal contact, will recruit adults, 45-75 years of age, to wear an activity tracker during a 2-week baseline and a 10-week intervention. Five BCT prompts to execute a walking plan will be delivered on a daily basis during the intervention phase. Participants will rate satisfaction with personalized trial components and whether automaticity of the walking plan can be achieved. Step-counts, adherence to the walking plan and self-monitoring of step-count will also be recorded.
摘要:
需要可以远程提供的个性化干预措施,以增加老年人的身体活动(PA),以降低CV疾病和死亡率的风险。先前的研究表明,行为改变技术(BCT)(例如,目标设定,自我监控,行为重复)可以灌输一种增加日常行走的习惯。然而,过去的干预措施依赖于受试者间随机临床试验,这只能是关于假设的普通人的反应的信息。个性化试验设计可以识别针对特定个体的干预的益处,尽管需要延长的时间来收集受试者内的频繁测量。远程的进步,虚拟技术(例如,短信,活动跟踪器),与自动平台集成,能够满足这些要求,因为它们能够提供BCT干预措施,在日常生活中收集数据,无需个人联系。此阶段I-B试验旨在测试虚拟,个性化干预是可行的,也是老年人可以接受的,可以引起参与者的依从性,并表现出疗效的初步证据。
一系列多达60个单臂,个性化试验,不涉及个人接触,会招募成年人,45-75岁,在2周的基线和10周的干预期间佩戴活动跟踪器。在干预阶段,将每天提供五个BCT提示以执行步行计划。参与者将对个性化试验组件的满意度进行评分,以及是否可以实现步行计划的自动化。步数,对步行计划的坚持和步数的自我监测也将被记录。
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