Development of Text Messaging Library to Support Exercise Behavior for Patients With Peripheral Artery Disease: Using The Behavior Change Wheel Framework

다국어 초록 (Multilingual Abstract)

Aim: Peripheral artery disease (PAD) is a chronic atherosclerotic obstructive disease accompanied by functional impairment. Text messaging interventions were used to provide feedback related to target goals, enhance motivation, and remind without restricting places, thereby lead to improve physical activity. Therefore, timely intervention through text messages appropriate for participants" situations will help change to targeted behavior. This study aimed to establish of text message library using behavior change wheel (BCW) framework to support the intervention program developed for exercise behavior for patients with PAD.

Method: Based on the BCW framework, this study was conducted in three stages: First, we identified exercise barriers in PAD patients and analyze behavior mechanisms to mapping them to behavioral capabilities, opportunities, and motivation models (COM-B). Second, to overcome exercise barriers, we selected and linked the appropriate intervention functions to behavioral changes. Third, we developed a library of text messages by intervention functions according to the levels defined in the BCT taxonomy.

Result: In the first phase, we reviewed the existing literature and interviewed 15 patients with PAD, classifying the barriers to exercise performance into six categories: (a) lacking time, (b) poor condition, (c) unwillingness to exercise, (d) leg pain, (e) bad weather, and (f) forgetting exercise. In the second phase, we selected five intervention functions (training, enablement, estimation, persuasions, and environment restructuring) of the BCW framework for behavioral change by overcoming the barriers, and each barrier and intervention function were linked. In the third stage, we were mapping the barrier-intervention function-BCT taxonomy label and developed a total of 113 text messages according to the definition of the BCT taxonomy label.

Conclusion: We developed a text messaging library based on the BCW framework. In the following studies, we will utilize the text messaging library for exercise interventions to change the sedentary behavior of PAD patients.