@文章{信息:doi/10.2196/42394，作者="Collombon, Eline H G M和Peels, Denise A和Bolman, Catherine A W和de Bruijn, Gert-Jan和Lechner, Lilian"，标题="为50岁以上成人在线体育活动干预添加移动元素:原型开发研究"，期刊="JMIR Form Res"，年="2023"，月="Jan"，日="25"，卷="7"，页="e42394"，关键词="原型;试验测试;电子健康;移动健康;身体活动;老年人;发展;背景:只有少数50岁以上的成年人符合世界卫生组织(WHO)的身体活动(PA)指南。电子健康干预措施已被证明是帮助这一人群在短期内提高PA水平的有效工具，其中Active Plus和I Move干预措施是由我们自己的研究小组开发的。为了达到长期效果，增加干预使用，降低退出率，Active Plus和I Move分别添加了3个紧急但不同的移动元素(活动跟踪器，生态瞬时干预[EMI]程序和聊天机器人)。 In this study, the prototype development and pilot-testing of these interventions is described. Objective: This study aims to enhance 2 existing PA-stimulating computer-based interventions with 3 mobile elements (an activity tracker, an EMI program, or a chatbot) and test the prototypes on usability and appreciation within a target population of adults aged over 50 years. Methods: A systematic design protocol consisting of development, evaluation, and adaptation procedures was followed with involvement of the target population. Literature searches separated per mobile element and interviews with the target population (N=11) led to 6 prototypes: Active Plus or I Move including (1) an activity tracker, (2) EMI, or (3) a chatbot. These prototypes were tested on usability and appreciation during pilot tests (N=47) and subsequently fine-tuned based on the results. Results: The literature searches and interviews provided important recommendations on the preferences of the target population, which enabled us to develop prototypes. The subsequent pilot tests showed that the mobile elements scored moderate to good on usability, with average System Usability Scale (SUS) scores of 52.2-82.2, and moderate to good on enjoyment and satisfaction, with average scores ranging from 5.1 to 8.1 on a scale of 1-10. The activity tracker received the best scores, followed by EMI, followed by the chatbot. Based on the findings, the activity tracker interventions were fine-tuned and technical difficulties regarding EMI and the chatbot were solved, which is expected to further improve usability and appreciation. Conclusions: During this study, 6 prototypes of online PA interventions with added mobile elements were developed and tested for usability and appreciation. Although all prototypes scored moderate to high on usability, enjoyment, and satisfaction, it can be concluded that the integration of an activity tracker with a computer-based PA intervention is the most promising option among the 3 mobile elements tested during this study. The prototype development steps of the systematic design protocol followed can be considered useful and successful for the purposes of this study. The interventions can now be evaluated on a larger scale through a randomized controlled trial. International Registered Report Identifier (IRRID): RR2-10.2196/31677 ", issn="2561-326X", doi="10.2196/42394", url="https://formative.www.mybigtv.com/2023/1/e42394", url="https://doi.org/10.2196/42394", url="http://www.ncbi.nlm.nih.gov/pubmed/36696157" }