Wearable eButton for Evaluation of Energy Balance with Environmental Context and

用于评估环境背景下的能量平衡的可穿戴电子按钮

• 批准号: 8250717
• 负责人: MINGUI SUN
• 金额: $ 37.97万
• 依托单位: UNIVERSITY OF PITTSBURGH AT PITTSBURGH
• 依托单位国家: 美国
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-09-11 至 2015-08-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/8250717
• 关键词: Adult; Affect; Alcohol or Other Drugs use; Algorithms; Behavior; Beverages; Biology; Body Weight; Brain; Calories; Cardiovascular Diseases; Cessation of life; Chest; Child; Clinical; Cognitive; Communication; Communities; Computational algorithm; Computer software; Computers; Data; Data Analyses; Data Collection; Databases; Detection; Development; Device Designs; Devices; Diabetes Mellitus; Diet; Direct Costs; Disease; Ear; Eating; Elderly; Electronics; Energy Intake; Energy Metabolism; Engineering; Environment; Environmental Exposure; Epidemic; Evaluation; Expenditure; Facilities and Administrative Costs; Food; Geographic Locations; Goals; Gold; Heart Rate; Human; Individual; Intake; Label; Laboratories; Life; Link; Malignant Neoplasms; Measurement; Measures; Memory; Metabolic; Methods; Microprocessor; Monitor; Motion; Multimedia; Obesity; Obesity associated disease; Operating System; Optics; Overweight; Oxygen; Participant; Patient Self-Report; Patients; Pattern Recognition; Performance; Personal Behavior; Personal Satisfaction; Physical activity; Population; Procedures; Process; Questionnaires; Research; Research Personnel; Resources; Respondent; Running; Safety; Smoking; Social Interaction; Software Engineering; System; Technology; Telephone; Temperature; Time; United States; United States Environmental Protection Agency; United States National Institutes of Health; Validation; Vision; Water; Wireless Technology; Workload; base; cost; design; design and construction; detector; drinking; energy balance; experience; falls; human subject; image processing; innovation; novel; premature; programs; prototype; quantum; sensor; social stress; tool; willingness

DESCRIPTION (provided by applicant): Wearable eButton for Evaluation of Energy Balance with Environmental Context and Behavior Overweight and obesity have become a wide spread epidemic affecting more than 60% of the population in the United States. A recent study indicates that the estimated direct and indirect costs of obesity to the U.S. economy are at least $215 billion annually. In the battle against obesity and related diseases, both the research and clinical communities require an accurate tool to measure people's energy intake and expenditure in real life. However, presently, the most utilized tool is still a questionnaire which is subjective and often inaccurate. The current state-of-the-art in diet and physical activity measurement has fallen far behind what the modern technology is able to provide. The field is mature for a substantial innovation. In this application, we propose the development of a new electronic device which has the potential to produce a technological quantum leap in the measurement of diet and physical activity. This button- like device, eButton, will be worn naturally on the chest using a pair of magnets or a pin. A new measurement concept based on the use of the wearable computer will be utilized in our device design. The eButton will contain a low-power, high-performance microprocessor running a simplified version of the LINUX operating system. It will contain numerous innovative designs, including an optical eating detector to monitor eating/drinking/smoking, two miniature cameras that produce a stereo vision to measure food portion size without depending on a reference card, an ear-based oximeter for measurement of heart rate and oxygen saturation, and an extrapolation formula to measure outdoor environment using the US environmental protection agency (EPA) database. eButton will store the multimedia data acquired by a variety of advanced miniature sensors in a flash memory within the device. It will also have a wireless link to a smart phone which will allow researchers to monitor the operating status of eButton remotely in real time. All sensors and function modules will be individually controlled by software to allow researchers to select among the available system resources for their particular needs. Despite the wide functionality of the device, eButton requires an extremely low user respondent burden. The research participant is required to do nothing more than turning on/off the device and recharging its battery at night. During our research, eButton and associated algorithms/software will be designed and constructed in our laboratory by an experienced team of electronic/software engineers based on an early version of the device developed under the NIH GEI diet and physical activity research program. Once eButton is constructed, we will implement a thorough validation process using human subjects to evaluate its accuracy in diet and physical activity assessment by comparing against the doubly-labeled water method as the gold standard. PUBLIC HEALTH RELEVANCE: The primary goal of this research is to develop an advanced, button-like electronic device (eButton) that can be worn naturally on the chest. This device will contain a powerful microprocessor, a novel eating detector, a pair of cameras, and a variety of electronic sensors to automatically, jointly and objectively measure energy intake and expenditure, as well as environment and behavior related to diet and physical activity. All these measurements will be conducted with an extremely low respondent burden to research participants.

描述（由申请人提供）：用于评估环境背景和行为的能量平衡的可穿戴电子按钮 超重和肥胖已成为一种广泛传播的流行病，影响美国 60% 以上的人口。最近的一项研究表明，肥胖每年给美国经济造成的直接和间接损失估计至少为 2150 亿美元。在与肥胖和相关疾病的斗争中，研究界和临床界都需要一种准确的工具来测量人们在现实生活中的能量摄入和支出。然而，目前最常用的工具仍然是问卷调查，它是主观的且往往不准确。目前最先进的饮食和身体活动测量已经远远落后于现代技术所能提供的水平。该领域已经成熟，可以进行实质性创新。 在此应用中，我们建议开发一种新型电子设备，该设备有可能在饮食和身体活动的测量方面产生技术飞跃。这种类似按钮的设备 eButton 将使用一对磁铁或别针自然地佩戴在胸前。我们的设备设计将采用基于可穿戴计算机的新测量概念。 eButton 将包含一个低功耗、高性能的微处理器，运行简化版本的 LINUX 操作系统。它将包含许多创新设计，包括用于监测饮食/吸烟的光学饮食探测器、两个产生立体视觉以测量食物份量而无需依赖参考卡的微型摄像头、用于测量心率和血氧饱和度的耳式血氧计，以及使用美国环境保护署（EPA）数据库测量室外环境的外推公式。 eButton 将通过各种先进的微型传感器获取的多媒体数据存储在设备内的闪存中。它还将与智能手机建立无线连接，使研究人员能够远程实时监控 eButton 的运行状态。所有传感器和功能模块将由软件单独控制，以便研究人员根据其特定需求在可用系统资源中进行选择。尽管该设备具有广泛的功能，但 eButton 要求的用户响应负担极低。研究参与者只需在夜间打开/关闭设备并为其电池充电即可。 在我们的研究过程中，eButton 和相关算法/软件将由经验丰富的电子/软件工程师团队在我们的实验室中基于 NIH GEI 饮食和身体活动研究计划开发的设备的早期版本进行设计和构建。一旦 eButton 构建完成，我们将使用人体受试者实施彻底的验证过程，通过与作为黄金标准的双标记水法进行比较，评估其在饮食和身体活动评估方面的准确性。 公共健康相关性：这项研究的主要目标是开发一种先进的、类似按钮的电子设备（eButton），可以自然地佩戴在胸部。该设备将包含一个强大的微处理器、一个新颖的饮食探测器、一对摄像头和各种电子传感器，以自动、联合和客观地测量能量的摄入和消耗，以及与饮食和身体活动相关的环境和行为。所有这些测量都将在研究参与者的受访者负担极低的情况下进行。