@文章{信息:doi/10.2196/15156，作者=“Krzyzanowski, Michelle C和Kizakevich, Paul N和durenwinfield, Vanessa和Eckhoff, Randall和Hampton, Joel和Blackman Carr, Loneke T和McCauley, Georgia和Roberson, Kristina B和Onsomu, Elijah O和Williams, John和Price, Amanda Alise”，标题=“公羊有心，一个移动应用程序跟踪活动和水果和蔬菜消费以支持大学生心血管健康:“发展与可用性研究”，期刊=“JMIR移动健康Uhealth”，年=“2020”，月=“8”，日=“5”，卷=“8”，号=“8”，页=“e15156”，关键词=“exercise”;心血管疾病;日记;饮食;移动健康;，摘要=“背景:随着越来越多的人使用移动设备访问互联网，并且作为应用程序的主要计算系统，提供自我保健建议的移动健康应用程序的市场越来越大。例如，它们在饮食和健康追踪方面的有效性需要检验。大多数美国成年人没有达到每日健康行为的建议。在一个可控的环境中测试用户对应用程序的参与度，可以让我们深入了解专注于改善饮食和锻炼的应用程序哪些是有效的，哪些是无效的。 Objective: We developed Rams Have Heart, a mobile app, to support a cardiovascular disease (CVD) intervention course. The app tracks healthy behaviors, including fruit and vegetable consumption and physical activity, throughout the day. This paper aimed to present its functionality and evaluated adherence among the African American college student population. Methods: We developed the app using the Personal Health Informatics and Intervention Toolkit, a software framework. Rams Have Heart integrates self-reported health screening with health education, diary tracking, and user feedback modules to acquire data and assess progress. The parent study, conducted at a historically black college and university-designated institution in southeastern United States, consisted of a semester-long intervention administered as an academic course in the fall, for 3 consecutive years. Changes were made after the cohort 1 pilot study, so results only include cohorts 2 and 3, comprising a total of 115 students (n=55 intervention participants and n=54 control participants) aged from 17 to 24 years. Data collected over the study period were transferred using the secure Hypertext Transfer Protocol Secure protocol and stored in a secure Structured Query Language server database accessible only to authorized persons. SAS software was used to analyze the overall app usage and the specific results collected. Results: Of the 55 students in the intervention group, 27 (49{\%}) students in cohort 2 and 25 (45{\%}) in cohort 3 used the Rams Have Heart app at least once. Over the course of the fall semester, app participation dropped off gradually until exam week when most students no longer participated. The average fruit and vegetable intake increased slightly, and activity levels decreased over the study period. Conclusions: Rams Have Heart was developed to allow daily tracking of fruit and vegetable intake and physical activity to support a CVD risk intervention for a student demographic susceptible to obesity, heart disease, and type 2 diabetes. We conducted an analysis of app usage, function, and user results. Although a mobile app provides privacy and flexibility for user participation in a research study, Rams Have Heart did not improve compliance or user outcomes. Health-oriented research studies relying on apps in support of user goals need further evaluation. ", issn="2291-5222", doi="10.2196/15156", url="https://mhealth.www.mybigtv.com/2020/8/e15156", url="https://doi.org/10.2196/15156", url="http://www.ncbi.nlm.nih.gov/pubmed/32755883" }