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191.
Traffic speeds associated with implementation of 80 mph speed limits on West Texas rural interstates
Richard Retting Author Vitae Ivan Cheung Author Vitae 《Journal of Safety Research》2008,39(5):529-534
Problem
In 2006 Texas raised the daytime speed limit for passenger vehicles on segments of I-10 and I-20 from 75 to 80 mph. Methods: Traffic speeds were measured before and 3, 12, and 16 months after the limit was changed. Results: During the 16-month period following the speed limit increase, mean speeds of passenger vehicles on I-20 increased by 9 mph relative to the comparison road, where no speed limit change occurred and traffic speeds declined. On I-10 mean speeds increased by 4 mph relative to the comparison road. Limiting the analysis to the month before the speed limit change and 1 year later, the proportion of drivers exceeding 80 mph was 18 times higher on I-20 and 2 times higher on I-10. Discussion: The smaller speed increases on I-10 may be related to its proximity to the U.S. border with Mexico. Highly visible border patrol activity coincided with posting of the higher speed limit. Long-term monitoring in other states suggests that traffic speeds in Texas are likely to continue to increase. Impact on Industry: The present study adds to the wealth of evidence that increased speed limits lead to increased travel speeds. The primary countermeasures to reduce the risk of speed-related crashes include highly visible police traffic enforcement and the use of speed cameras accompanied by publicity. 相似文献192.
Christopher M. Love Author Vitae Author Vitae Joshua J. Knabb Author Vitae Author Vitae David W. Brokaw Author Vitae 《Journal of Safety Research》2008,39(5):535-545
Introduction
Mental health professionals are gatekeepers of patient confidentiality. Yet, confidentiality held too strictly, by allowing a potentially dangerous driver to assume control of a car, endangers society. Recent court cases have mandated that mental health professionals must warn those who may be potentially harmed by patients. In spite of this, disagreements linger as to whether it is the responsibility of governmental agencies or mental health professionals to decide who is unfit to operate a vehicle because of cognitive impairment. Methods: This article addresses the legally relevant considerations when working with cognitively compromised individuals who operate a motor vehicle. Legal issues surrounding confidentiality, patient rights, foreseeable risk, and the duty to warn and protect are presented in order to understand their relationship to recent court rulings.Impact on industry
The impact on the mental health care industry includes not only concerns about increased insurance premiums or costs due to alleged negligence or litigation expenses secondary to failure to ensure the safety of an impaired client under their care. Mental health care providers are aware that the welfare of clients with impairment to cognitive decision making ability may require unique considerations for safety such as ensuring safe and appropriate transportation. 相似文献193.
Kathleen Beullens Author Vitae Keith Roe Author Vitae Author Vitae 《Journal of Safety Research》2008,39(5):547-553
Problem
Traffic crashes are a major cause of injury and death. Although it has been argued that a skewed estimation of personal risks may be partly attributable to news representations of mortality causes, the manners in which traffic crashes are covered in the news have not received much attention in the literature.Method
The current study used content analysis to examine the framing of traffic crashes in television news.Results
The data indicated that Flemish television news does not report traffic crashes from a public health perspective and consequently it misses opportunities to inform the public on the causes and consequences of risk-taking in traffic.Impact on industry
It is important that professionals are aware of these findings and stress contextual factors surrounding traffic crashes in their communication with journalists. This may lead to more accurate reports and a more accurate risk perception of viewers. 相似文献194.
Brian C. Tefft Author Vitae 《Journal of Safety Research》2008,39(6):577-582
Problem
Studies have shown that older drivers have high death rates and lower rates of involvement in crashes that kill others; but most studies have not considered drivers' responsibility for their crashes, and many have considered only one particular measure of risk.Method
This study examines risks that drivers of various ages pose to themselves and to others on per-driver, per-trip, and per-mile bases, taking responsibility for crashes into account, using United States fatal crash data from 1999 through 2003 and travel estimates from 2001.Results
Relative to other age groups, drivers aged 85 and older face the highest risk of their own death, whereas teens pose the greatest risk to passengers, occupants of other vehicles, and non-motorists.Discussion
The oldest drivers pose more risk to other road users than middle-aged drivers do; the degree of their excess risk depends strongly upon how risk is measured.Impact on industry
These results demonstrate the importance of keeping clear the meaning and implications of various risk measures. 相似文献195.
Robyn R.M. Gershon Author Vitae Julie M. Pearson Author Vitae Author Vitae David Vlahov Author Vitae Author Vitae Melissa Tracy Author Vitae Author Vitae Sandro Galea Author Vitae 《Journal of Safety Research》2008,39(6):583-588
Problem
Subway transit is a relatively safe mode of transportation, yet compared to all other forms of mass transit in the United States (U.S.), subways have the highest fatality rate. The aim of this paper is to characterize subway-related fatalities in order to identify opportunities for risk reduction.Method
Medical examiner records for all New York City (NYC) subway-related deaths (1990-2003) were reviewed. Data were abstracted on decedents' demographics and autopsy findings, including laboratory findings.Results
There were 668 subway-related fatalities, of these, 10 (1.5%) were homicides, 343 (51.3%) were determined to be suicides, and 315 (47.2%) were accidental. Although decedent characteristics varied between fatality categories, they were not particularly informative with regard to prevention.Conclusion
Prevention strategies that focus on structural controls are likely to be most efficacious in improving the overall safety of the NYC subway systems.Impact on industry
These findings suggest that structural rather than individual-level interventions would be most successful in preventing subway fatalities. 相似文献196.
L. Olsen Author Vitae J.L. Bottorff Author Vitae Author Vitae C.J. Frankish Author Vitae 《Journal of Safety Research》2008,39(6):609-616
Problem
Children living in lower-income environments are at greater risk for unintentional injuries. However, little is known about the safety practices of mothers living in low-income situations.Method
This ethnographic study explored the child safeguarding experiences of low-income mothers using in-home interviews and observations.Results
Mothers' safeguarding efforts included cognitive and emotional work, child directed work, and work directed at the physical and social environments. Factors that influenced the women's safeguarding included the quality of the indoor space, availability of safe play space, traffic hazards, sibling interactions, child care supports, relationships with neighbors, and trust in community services.Discussion
These findings have implications for the conceptualization of safeguarding practices and provide insight about the experiences of mothers living on low-incomes.Impact on Industry
When developing safety interventions, program planners should consider the views and practices of mothers as well as contextual factors in the physical and social environments. 相似文献197.
Wei Zhang Author Vitae Omer Tsimhoni Author Vitae Author Vitae Michael J. Flannagan Author Vitae 《Journal of Safety Research》2010,41(1):25-30
Introduction
China has the world's largest population, and is the second largest automobile market. China's economy is booming, resulting in a rapid increase in both the road infrastructure and access to private vehicles. Along with economic growth, the ownership of motorized vehicles has almost quadrupled in the past 10 years, from 42.2 million in 1997 to 159.7 million in 2007. However, at the same time, China also has a very high number of road fatalities compared to other countries, with about 100,000 reported fatalities each year.Method
This study analyzes the Chinese road-fatality situation to identify areas in which the total harm caused by crashes can be substantially and readily reduced. It provides a comprehensive analysis of the current road-fatality situation in China using conventional indices and the likely future trends.Results
Four areas were identified in which countermeasures have the most potential to substantially reduce fatalities in China: pedestrians and other non-motorists, nighttime driving, vehicle passengers, and motorcycles.Conclusion
While China faces unprecedented road safety issues, this report identifies major areas in which there are opportunities to greatly reduce total harm. 相似文献198.
Danielle M. Olds Author Vitae Sean P. Clarke Author Vitae 《Journal of Safety Research》2010,41(2):153-162
Introduction
We studied the relationship between registered nurses' extended work duration with adverse events and errors, including needlestick injuries, work-related injuries, patient falls with injury, nosocomial infections, and medication errors.Method
Using bivariate and multivariate logistic regression, this secondary analysis of 11,516 registered nurses examined nurse characteristics, work hours, and adverse events and errors.Results
All of the adverse event and error variables were significantly related to working more than 40 hours in the average week. Medication errors and needlestick injuries had the strongest and most consistent relationships with the work hour and voluntary overtime variables.Discussion
This study confirms prior findings that increased work hours raise the likelihood of adverse events and errors in healthcare, and further found the same relationship with voluntary overtime.Impact on Industry
Legislation has focused on mandatory overtime; however, this study demonstrated that voluntary overtime could also negatively impact nurse and patient safety. 相似文献199.
Peter J. Cooper Author Vitae Author Vitae Linda Andersen Author Vitae 《Journal of Safety Research》2010,41(2):129-136
Introduction
Induced exposure has a long history of development and usage in traffic safety research but a major question has always concerned the extent to which the accumulation of culpable and non-culpable involvements can be considered independent.Method
Culpability assessments of 32,630 vehicles' crash-claim involvements adjudicated by insurance adjusters were matched with vehicle odometer readings taken at emission testing using consistent identification of vehicles and principal operators over a 5-year period.Result
It was found that the accumulation of culpable crash involvements was not entirely independent of that for non-culpable involvements. However, the rate of non-culpable involvements was determined to be an acceptable surrogate for travel exposure rate where sample sizes were large.Discussion
The relationship between the rate of non-culpable involvements and the rate of travel exposure for data subsets when both were normalized by the overall sample rates was reminiscent of an accident-volume curve for roadway locations in traffic engineering theory. This suggested that only a portion of non-culpable involvements actually related directly to travel and this lead to a correction factor that could be applied.Impact on Industry
While lack of independence of involvement rates may be problematic for a direct risk ratio application, it does not invalidate the use of non-culpable involvements to predict travel. For insurers that have a need to estimate travel amounts for different driver/vehicle groups as part of the insurance rating purposes, this can be a useful application. 相似文献200.
Kirolos Haleem Author Vitae Mohamed Abdel-Aty Author Vitae 《Journal of Safety Research》2010,41(4):347-357