Effects of a Hip Fracture Prevention Website for Seniors

髋部骨折预防网站对老年人的影响

• 批准号: 7034422
• 负责人: EUN-SHIM NAHM
• 金额: $ 18.27万
• 依托单位: UNIVERSITY OF MARYLAND BALTIMORE
• 依托单位国家: 美国
• 财政年份: 2006
• 资助国家: 美国
• 起止时间: 2006-02-15 至 2008-01-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/7034422
• 关键词: Internet; accidental falls; clinical research; computer assisted instruction; dietary calcium; education evaluation /planning; exercise; health behavior; health education; hip fractures; human old age (65+); human subject; injury prevention; questionnaires

DESCRIPTION (provided by applicant): Each year, in the United States, approximately 340,000 older adults experience hip fractures. Despite advances in our knowledge of causes and management of hip fractures, many older adults do not have adequate information about evidence based hip fracture preventive measures. With the increasing number of older adult Web users and fast growing technology, the Web can be a valuable medium for ameliorating this knowledge gap and facilitating health behavior change. In this R21 exploratory application, the investigators propose a study that will develop an innovative hip fracture prevention Web site for older adults and test its preliminary effects on health outcomes. This Web site will be developed in accordance with a social cognitive theory (SCT) employing (1) structured Web learning modules that will deliver evidence based health information to older adults systematically and (2) a moderated discussion board that will provide additional advantages of interactive social learning environment and support. The effects of this site will be evaluated by comparing the impact of this theory-based, structured, Web Site (TSW) with the impact of a Conventional Web site (CW) with a list of suggested links to hip fracture prevention resources. The study is a randomized controlled trial employing a 2-group repeated measures design. Outcomes include changes in knowledge (osteoporosis and hip fracture), self-efficacy (calcium intake, exercise, and Web-based learning), outcome expectations (calcium intake, exercise), and behavior change (calcium intake and levels of exercise). A total of 160 older adult online users (age >=55 years) will be recruited from two Web sites: SeniorNet and The Baltimore Times Online. The latter is primarily visited by African American users and will help to ensure adequate representation of this ethnic group. A mixed linear model is used to compare changes in each outcome between the two study groups (TSW vs. CW) across the three time points (baseline, End-Of- Treatment, 3 month follow-up) with recruitment site as a random effect. The knowledge gained from this study will facilitate further research into methods of harnessing the vast health promotional promise of the Web for older adults. If this study demonstrates that TSW is more effective than the CW, a larger longitudinal trial will be developed to examine TSW's effects on actual hip fracture, as well as its longitudinal impact on changing health behaviors among older adults. In addition, a follow-up study will be conducted to ascertain effectiveness of the TSW for other older adults' health problems (i.e., hypertension) that can be prevented or managed in the community.

描述（由申请人提供）：每年，在美国，大约340,000名老年人会出现髋部骨折。尽管我们了解原因和髋部骨折的管理，但许多老年人对基于证据的髋部骨折预防措施没有足够的信息。随着老年人网络用户数量的越来越多，网络可能是改善这种知识差距并促进健康行为改变的宝贵媒介。在此R21探索性应用中，研究人员提出了一项研究，该研究将开发一个创新的髋部骨折预防网站，用于老年人，并测试其对健康结果的初步影响。该网站将根据社会认知理论（SCT）开发（1）结构化的Web学习模块，该模块将系统地向老年人提供基于证据的健康信息，以及（2）调节的讨论委员会，该委员会将提供互动社会学习环境和支持的额外优势。将通过比较该基于理论的，结构化的网站（TSW）与常规网站（CW）的影响与与髋部骨折预防资源的建议链接列表的影响来评估该站点的效果。该研究是一项采用2组重复措施设计的随机对照试验。结果包括知识的变​​化（骨质疏松和髋部骨折），自我效能感（钙摄入量，锻炼和基于网络的学习），结果期望（钙的摄入量，运动）和行为改变（钙摄入量和运动水平）。共有160名老年人在线用户（年龄> = 55年）将从两个网站上招募：Seniornet和Baltimore Times Online。后者主要是由非裔美国用户访问的，并将有助于确保该族裔的充分代表。混合线性模型用于将两个研究组（TSW与CW）之间的每个结果变化（基线，治疗，3个月随访）与招聘部位作为随机效应。这项研究所获得的知识将有助于进一步研究利用网络对老年人的巨大健康促进承诺的方法。如果这项研究表明TSW比CW更有效，则将开发更大的纵向试验，以检查TSW对实际髋部骨折的影响，以及其对老年人健康行为改变的纵向影响。此外，还将进行一项后续研究，以确定TSW对其他可以在社区中预防或管理的其他老年人健康问题（即高血压）的有效性。