Transtheory模型的身体活动干预心脏的变化过程:一系列n-of-1。

Josyanne Lapointe, P. Bernard, A. Romain
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引用次数: 1

摘要

目的是a)测试基于变化过程(POC)的个性化跨理论模型(TTM)干预是否可以增加不活跃成年人的体力活动(PA),以及b)检查干预是否提高了TTM理论构建的水平。制定了以下假设:1)与基线测量相比,干预期间和之后的PA水平将显著更高;2) 目标POC的水平将在干预期间增加;3) 非目标POC将保持稳定,4)自我效能和决策平衡水平将在干预过程中提高。对12名不活动的成年人进行了一系列N选1与A(1至2周)-B(10周)-A’(2周)的设计。行为咨询师使用行为改变技术来针对TTM结构并监督PA。基于干预前水平最低的5个POC进行个性化干预。每周在线收集基于设备的主观PA和TTM测量。PA数据采用分段线性模型进行分析。对TTM结构进行了可视化分析。设备、自我报告和TTM数据分别针对5名、7名和5名参与者。在B期和A2期,发现6名参与者自我报告的PA显著增加。在研究期间,在两名参与者中观察到装置测量的PA显著增加。观察到所有有可用数据的参与者的目标POC比基线显著增加。这项研究首次证明了基于POC个性化TTM的干预对不活跃成年人的行为和心理影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Transtheoretical model's processes of change in the heart of a physical activity intervention: A series of n-of-1.
The objectives were a) to test whether a Processes of Change (POC)-personalized Transtheoretical model (TTM)-based intervention could increase physical activity (PA) among inactive adults, and b) to examine whether the intervention increased the level of TTM theoretical constructs. The following hypotheses were formulated: 1) PA levels will be significantly higher during and after the intervention in comparison to baseline measures; 2) the level of targeted POCs will increase during the intervention; 3) non targeted POCs will stay stable, and 4) self-efficacy and decisional balance levels will increase during the intervention. A series of N-of-1 with A (1 to 2-week)-B(10-week)-A'(2-week) design were conducted with 12 inactive adults. Behavioral counselors used behavior change techniques to target TTM constructs and supervise PA. Interventions were individualized based on the 5 POCs with the lowest pre-intervention level. Device-based and subjective PA along with TTM measures were collected weekly online. PA data were analyzed with piecewise linear models. A visual analysis was run to examine the TTM constructs. Device, self-reported and TTM data were available for five, seven and five participants, respectively. A significant self-reported PA increase for six participants was found during the phase B and A2. A significant device-measured PA increase was observed in two participants during the study. A substantial increase of targeted POC from baseline for all participants with available data was observed. This study provides the first evidence of behavioral and psychological effects of a POC-personalized TTM-based intervention in inactive adults.
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