Brice Amanda N, Fullmer Steve, Barger Charles, Serbinski Joel, Gallik Michael, Nauta Phillip, Swift Damon L, Stull April J, Buller David B, Griffith Derek M, Nuss Kayla, Newton Robert L
Klein Buendel LLC, Golden, CO, USA.
Pennington Biomedical Research Center, Baton Rouge, LA, USA.
Mhealth. 2025 Jul 14;11:32. doi: 10.21037/mhealth-24-82. eCollection 2025.
BACKGROUND: African American men experience higher rates of chronic diseases including diabetes, cardiovascular disease, and obesity compared to other race and gender groups. This population also has high levels of inactivity, one of the major risk facts for chronic disease. Due to the promise shown by mobile applications (apps) in providing tailored and easily accessible health interventions, we aimed to build an app designed for African American men to initiate and maintain their physical activity (PA) called MobileMen. METHODS: We conducted focus groups (n=24) with African American men to gain insight on the features and design aspects to include in the app prototype. We then used an iterative design process by conducting multiple rounds of beta (n=14) and useability (n=16) testing to create a prototype that was easy to use, visually pleasing, and culturally tailored. A satisfaction and helpfulness questionnaire and the System Usability Scale (SUS) were used as quantitative measures in addition to qualitative data provided by participants. Tasks were given to participants to test for ability to navigate and use the app features. RESULTS: The average satisfaction and helpfulness ratings from participants were 3.9/5 and 3.7/5 for beta testing and 4.3/5 and 4.1/5 for usability testing, which met the pre-determined criteria of ≥3.5. Only one of the satisfaction questions, which was about cultural tailoring for African American men, was below the pre-determined criteria (2.7). By round two of usability testing, the majority of tasks were able to be completed by all of the participants and the mean SUS score was 90.36 out of 100 which exceeded a priori feasibility criterion of a mean rating of 68.0. The feedback on the finalized features was positive, and participants expressed that they would use the app if it were on the market. CONCLUSIONS: Based on both the qualitative and quantitative data obtained from multiple iterative design rounds, the MobileMen app was well received by the target population and is ready to be tested on a larger scale for effectiveness. The app is easy to use and contains culturally tailored features.
背景：与其他种族和性别群体相比，非裔美国男性患糖尿病、心血管疾病和肥胖症等慢性病的比例更高。这一人群的身体活动水平也很低，而身体活动不足是慢性病的主要风险因素之一。鉴于移动应用程序（应用）在提供量身定制且易于获取的健康干预措施方面展现出的前景，我们旨在开发一款专为非裔美国男性设计的应用程序，名为“移动男士”，以启动并维持他们的身体活动（PA）。 方法：我们与非裔美国男性进行了焦点小组访谈（n = 24），以深入了解应用程序原型应包含的功能和设计方面。然后，我们采用迭代设计流程，进行了多轮测试版测试（n = 14）和可用性测试（n = 16），以创建一个易于使用、视觉上令人愉悦且符合文化特点的原型。除了参与者提供的定性数据外，还使用了满意度和实用性问卷以及系统可用性量表（SUS）作为定量指标。向参与者布置任务，以测试他们浏览和使用应用程序功能的能力。 结果：在测试版测试中，参与者的平均满意度和实用性评分分别为3.9/5和3.7/5，在可用性测试中分别为4.3/5和4.1/5，均达到了预先设定的≥3.5的标准。只有一个关于针对非裔美国男性进行文化定制的满意度问题低于预先设定的标准（2.7）。到可用性测试的第二轮时，大多数任务所有参与者都能够完成，SUS平均得分为90.36（满分100），超过了预先设定的平均评分68.0的可行性标准。对最终确定的功能的反馈是积极的，参与者表示如果该应用程序上市，他们会使用。 结论：基于从多轮迭代设计中获得的定性和定量数据，“移动男士”应用程序受到了目标人群的好评，并准备进行更大规模的有效性测试。该应用程序易于使用，且包含符合文化特点的功能。
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