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Numerous health care systems are designed without consideration of user-centered design guidelines. Consequently, systems are created ad hoc, users are dissatisfied and often systems are abandoned. This is not only a waste of human resources, but economic resources as well. In order to salvage such systems, we have combined different methods from the area(More)
BACKGROUND Diabetes self-management education is a cornerstone of successful diabetes management. Various methods have been used to reach the increasing numbers of patients with diabetes, including Internet-based education. The purpose of this article is to review various delivery methods of Internet diabetes education that have been evaluated, as well as(More)
BACKGROUND Noninvasive methods for detecting colorectal tumors have the potential to reduce morbidity and mortality from this disease. The mutations in the adenomatous polyposis coli (APC) gene that initiate colorectal tumors theoretically provide an optimal marker for detecting colorectal tumors. The purpose of our study was to determine the feasibility of(More)
Detection of mutations in faecal DNA represents a promising, non-invasive approach for detecting colorectal cancers in average-risk populations. One of the first practical applications of this technology involves the examination of microsatellite markers in sporadic cancers with mismatch-repair deficiencies. Since such cancers nearly always occur in the(More)
Demographic, behavioral, and environmental factors have been associated with increased risk of colorectal cancer (CRC). We reviewed the published evidence and explored associations between risk factors and CRC incidence. We identified 12 established non-screening CRC risk factors and performed a comprehensive review and meta-analyses to quantify each(More)
The usability problems of a system often occur due to inattention to well-documented and well-established design guidelines and heuristics. These problems often lead to increased errors, user dissatisfaction, and often user abandonment. Although there are a plethora of design principles, programs are still being constructed without integration of these(More)
BACKGROUND Using regulatory focus theory, an intervention of daily weight loss-sustaining messages was developed and tested for acceptability, feasibility, and efficacy on helping people sustain weight loss. METHODS Participants (n = 120) were randomized to a promotion, prevention, or an attention-control text message group after completion of a weight(More)
Patients who are active and involved in their self-management and care are more likely to manage chronic conditions effectively (6, 26). With a 5-fold increase in the incidence of chronic illness over the past 20 years, access to information can provide patients the tools and support to self-manage their chronic illness. New media technologies can serve as(More)
This study assessed health informatics student satisfaction with two subsequent versions of Prometheus, a web-based courseware system. Prometheus versions 4 and 5 were assessed to gauge the effect of modifications to improve the usability of the system. The Questionnaire for User Interaction Satisfaction (QUIS, version 7.0) was administered at the end of(More)
BACKGROUND Although there are many reasons that widespread adoption of healthcare information systems has not transpired, one reason is a failure to take into account the cognitive needs of the users. AIM To understand the cognitive needs of nurses and physicians and determine how these needs should influence the design of healthcare interfaces. DESIGN(More)