Health consumers have become increasingly interested in genetic information. This increasing consumer interest in genetic information is coupled with a growing trend in consumer uses of the Internet for health-related purposes. Also, the number of websites providing health-related information has grown dramatically. In the realm of genetics, the National Libraries of Medicine launched the Genetic Home Reference (GHR) web site with the goal of serving as an information resource on genetics for consumers. In this project, we examine the role of quality perceptions on attitude and behavioral intentions toward GHR. The study reveals that quality plays a key role in determining attitude and behavioral intentions toward GHR. The results provide the basis for making recommendations for health-related information portals.
In the recent past, the mining industry has witnessed a substantial increase in the numbers of fatalities occurring at metal and nonmetal mine sites, but it is unclear why this is occurring. One possible explanation is that workers struggle with identifying worksite hazards and accurately assessing the associated risk. The purpose of this research was to explore this possibility within the mining industry and to more fully understand stone, sand and gravel (SSG) mine workers' thoughts, understandings and perceptions of worksite hazards and risks. Eight mine workers were interviewed and asked to identify common hazards they come across when doing their jobs and to then discuss their perceptions of the risks associated with those identified hazards. The results of this exploratory study indicate the importance of workers' job-related experience as it applies to hazard identification and risk perception, particularly their knowledge of or familiarity with a task, whether or not they had personal control over that task, and the frequency with which they perform that task.
A large proportion of non-fatal slips, trips, and falls (STFs) at surface mining facilities are associated with mobile equipment. Ingress and egress from mobile equipment can pose a fall risk to mobile equipment operators. The objective of this study was to determine mobile equipment operators' views of STF risks from mobile equipment, and to ascertain what factors, tasks, and conditions they perceive as contributing to these risks. A thematic analysis of 23 individual interviews and 2 group interviews was conducted, with 10 overarching themes identified from the transcripts. Mobile equipment operators indicated that being unable to see their feet or the ladder rungs during descent and the presence of contaminants on the ladders caused by normal operation make egress more dangerous than ingress. The flexible rails and high heights of the lower rungs identified over 40 years ago as issues for mobile equipment operators still pose a perceived STF risk. Further, the requirements of routine maintenance tasks such as oil and filter changes, greasing, and cleaning windows pose fall risks due to inadequate access and the need to carry supplies up and down equipment ladders. In addition to the mobile equipment, hazardous ground conditions and insufficient lighting were found to be key issues around the mobile equipment and in parking areas. The findings of this work indicate that mobile equipment operators feel at risk for STFs due to the design and condition of their equipment, and would like to see ladders replaced with safer stairways as the primary ingress/egress system.
Usability for any product, and especially for a lifesaving device, is critical in that the users will be interacting with the device in a highly stressful and complex environment. This study examined self- contained breathing apparatus (SCBAs) and conducted a usability assessment of these SCBAs with refill stations as it pertains to mine escape. Data was collected examining three usability topic areas (effectiveness, efficiency, and satisfaction) and eight constructs within these topic areas (completeness, accuracy, time requirements, overall satisfaction, discomfort, ease of use, system performance, and user preference). This paper documents the usability framework adopted and the methodology used to answer the research questions of the study and includes sample results and discussion. The methodology presented can be modified and used to test other lifesaving technologies to compare the usability of the devices and to estimate the ability of the devices to function as expected in a lifesaving situation.
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