Articles tagged with Statistics
Studies by University of Missouri-Columbia professors Lilliard Richardson and David J. Houston found that upgrading to primary seatbelt enforcement laws increases belt use and improves public safety considerably. States with primary laws consistently had the highest seatbelt usage rates, while those with secondary laws had the lowest.
Syphilis rates among US gay and bisexual men have seen a significant increase, rising by 19% between 2000 and 2003. The rates jumped by 62% among men, with 62% of those infected being gay or bisexual, while rates among women continued to slide.
A new study confirms the US Census Bureau provided information on persons of Japanese ancestry to US surveillance agencies during WWII. The researchers call for the bureau to disavow its denials and set the record straight.
The Ohio State University software analyzes crash data to pinpoint traffic accident hotspots, revealing surprising patterns such as increased speeding accidents during weekday rush hours. The tool also indicates that drunk-driving accidents tend to occur on specific interstates and routes near major cities.
A University of Oregon psychologist argues that genocide prevention efforts fail due to a lack of emotional response to increasing numbers of victims. Research suggests that people's capacity for empathy decreases with larger groups, making it difficult to reach critical mass for decision-making.
Researchers found that continuous fetal oxygen saturation monitoring had no significant effect on Caesarean delivery rates for both normal and abnormal fetal heart rates. The study enrolled over 5000 women across 14 hospitals, with no statistically meaningful differences in Caesarean deliveries between the groups.
Pfizer is funding a series of seminars for graduate students and faculty at Rutgers, valued at $23,000 over five years. The company's commitment reflects the increasing importance of mathematics in life sciences, with nearly three-quarters of statistics graduates pursuing careers in pharmaceuticals.
A landmark study found that routine follow-up by a nurse improved heart failure patients' functionality and reduced hospitalizations. The study showed significant benefits for both African-American and Hispanic communities, with nurse-managed patients experiencing fewer limitations in physical activities.
A five-year project funded by The Atlantic Philanthropies aims to improve Vietnam's health system by gathering detailed birth and death data. UQ health experts will work with Vietnamese researchers and government personnel to develop policy, advanced mortality, and cost-effectiveness analyses.
Researchers emphasize the need for modern definitions of 'family' due to changing household and family structures, including rising cohabitation, divorce, and re-partnering. The report highlights the importance of considering complex living arrangements beyond traditional household units.
A study by a Carnegie Mellon professor highlights the use of DNA evidence in exonerating wrongfully convicted individuals. Despite its potential to free the innocent, the use of DNA evidence is hindered by political considerations and legal uncertainties.
Researchers and academics explored ways to reduce oral health disparities and increase health literacy. Progress toward achieving Healthy People 2010 objectives was highlighted, with future directions for national surveillance also discussed.
Researchers found that U.S. News rankings particularly impact students with high LSAT scores, with effects strongest for top-ranked schools. Rankings also influence the number of applicants accepted by selective institutions.
Researchers at UT Austin capture as few as sixty atoms in a laser trap, achieving repeated measurements of quantum atom statistics. The study creates a new field and places scientists one step closer to realizing quantum computing by controlling individual atoms.
Research by University of Alberta's Dr. Michael Haan found that immigrants' housing rates dropped in the last few years, while those born in the country increased their homeownership rates. The decline may be linked to diminished labour market fortunes, discrimination, and decreasing median wealth among immigrant groups.
Researchers Rebecca Sparks and David Abrahamson developed a formula predicting starting pitchers' top three finishes in Cy Young voting. Their analysis found that wins carry significant weight, while ERA and strikeouts have more importance than winning percentage or losses.
A recent study found that tobacco brand appearances in PG-13 movies did not significantly decrease after the Master Settlement Agreement, leaving adolescent audiences exposed to tobacco advertising. The percentage of R-rated movies with tobacco brand appearances dropped by 55.4%, but that for PG-13 films remained unchanged since 1998.
Researchers in the Jefferson Lab CLAS collaboration found no evidence of a pentaquark, contradicting earlier signals. The team will take more data in 2006 to search for the particle in a different channel and at higher energies.
According to the American Society of Plastic Surgeons, massive weight loss patients are driving growth in body contouring procedures. The demand for these procedures has increased by 77% since 2000, with lower body lifts seeing a significant surge of 72% between 2003 and 2004.
A powerful tool, BeatTheTraffic.com, crunches commutes by predicting the best time to hit the road and suggests alternate routes. Researchers have found that many commuters can save more time by altering their departure time than using mass transit.
A computer simulation study found that firing poorly performing employees can lead to significant improvements in workforce quality. The study showed an average annual improvement of 16% for the first two years and 2% thereafter, with the greatest benefits seen when reliable rating systems are used.
The project aims to evaluate the effectiveness of data-mining tools in identifying threat levels and national security interests. The UC Riverside team, including graduate students and staff, will work closely with experts from Bell Laboratories and Lucent Technologies.
A recent study found that smoking reduces wealth by approximately $410 per year for every smoker, with the wealth gap growing over time. The study analyzed data from about 8,900 people and found that non-smokers had a net worth of around $50,000 in 1998, while heavy smokers had significantly lower wealth.
New York interventional cardiologists opt out of treating critically ill patients if their death would negatively impact their state mortality report card. The study found that 83% of respondents believed patients who benefit from angioplasty may not receive the procedure due to public reporting of physician-specific mortality rates.
Research by Dr David Voas reveals that the people of Hereford are the strongest Christmas churchgoers in Britain, with more than 10% taking to the pews during the festival. In contrast, Manchester and Guildford have much lower attendance figures, with fewer than 2% of people attending Anglican services at Christmas.
The teen birth rate has declined to a record low, and youth are less likely to be involved in violent crimes. However, the prevalence of overweight among children has increased, posing a risk for chronic conditions like diabetes and hypertension.
Farid's algorithm uses statistical clues to detect tampering in digital images, making it harder for people to manipulate photos. The technology has the potential to prevent fake photos from influencing public opinion and trust, especially in news reports.
Studies show humans can recognize word boundaries in complex languages through statistical analysis of sound patterns. A new test reveals people can distinguish regularity in consonant relationships and use them to divide sounds into words with great accuracy.
The American Statistical Association is seeking nominations for its Excellence in Statistical Reporting Award, recognizing individuals and organizations that promote statistics in public life. Eligible nominees include commentators, reporters, writers, and others who use communications media as their primary product.
A Carnegie Mellon statistics student has developed a method to mitigate noise in brain imaging, allowing for clearer pictures of brain activity. This technique could lead to more efficient experimental procedures and pave the way for more challenging experiments.
A study by NASA researchers found that tropical cyclones with 'hot towers' in their eyewall are twice as likely to intensify within six hours. The researchers used TRMM satellite data to compile global statistics on hot tower occurrence and define a nine-mile high threshold for classification.
Teen ecstasy use declined for the second consecutive year due to increased perception of its risks, according to a University of Michigan study. Marijuana use also decreased in upper grades, with perceived risk increasing and overall use falling.
A study of the American Stop Smoking Intervention Study (ASSIST) found that states participating in the program experienced a greater reduction in adult smoking prevalence and lower per capita cigarette consumption compared to non-participating states. If all 50 states had implemented ASSIST, an estimated 278,700 fewer smokers nationwi...
A study by Dartmouth College finds black business owners are denied credit twice as often as similarly qualified white applicants. When approved, they typically face much higher interest rates than white borrowers.
A study by Johns Hopkins Medicine found that postoperative sepsis is the most common treatment-related injury in hospitals, associated with significant increases in length of stay, charges, and mortality. The unintended re-opening of surgically closed wounds was also a major concern, linked to increased hospital stays and costs.
A recent study found that nearly two-thirds of US elderly have unmet needs for help with daily activities, whereas in Sweden, less than four percent experience such gaps. The US healthcare policy has been criticized for directing few resources towards community-based services.
Risk experts address communication challenges in public health and policy contexts, discussing factors like perception, information quality, and industry influence. Effective risk communication is crucial for public health decisions and policy-making.
A study published in The Lancet found that law enforcement can substantially reduce fatal traffic crashes by 35% lower risk of fatalities after a conviction. Enforcement policies, including penalty points for driving convictions, show greater reductions in fatal crashes than mandatory vehicle improvements.
A nationwide study found that husbands and wives have significant differences in their reports of family finances, with men typically overestimating the couple's income and women overestimating the family's debts. These discrepancies may impact relationships and national economic statistics, according to Jay Zagorsky, author of the study.
Smoking prevalence varies significantly among immigrant groups and countries of origin. Native-born respondents had higher smoking rates than foreign-born respondents. Including findings on country of origin can enhance the development of culturally sensitive smoking cessation programs.
The editorial highlights China's slow information-gathering from rural districts and secretive attitude to national health statistics as major challenges. A concerted effort to compile accurate statistics on HIV/AIDS prevalence could demonstrate China's ability to learn from its mistakes and acknowledge global responsibilities.
A new study reveals significant differences in smoking prevalence among men and women of different immigrant statuses and countries of origin. The findings show that US-born individuals have higher smoking rates than foreign-born individuals, with notable variations within Asian/Pacific Islander groups.
The National Science Foundation is launching four new institutes to bolster mathematical research and education. The institutes will focus on interdisciplinary collaboration and data-driven scientific challenges, with an emphasis on underrepresented groups.
A Yale study of hospital website ratings found that the system yielded mixed results, with some high-rated hospitals performing similarly to lower-rated ones. The researchers suggested that patients should focus on accepted measures of quality instead of relying on ratings.
The UN has launched a new handbook to track nonprofits globally, providing a permanent framework for the sector's economic impact. The handbook aims to accurately define the size and scope of nonprofit institutions, crucial for understanding their role in democracy and society.
A new study by University of Washington professor Martina Morris finds that 90% of young white male workers can expect lower lifetime wage growth than previous generations. This decline is attributed to the new economy's unequal distribution of prosperity and growing job instability, trapping workers in low-wage careers.
Experts discuss policies related to aging well-being, citing key indicators of well-being report. The report highlights the growing older population's special needs, requiring initiatives based on sound data.
A national survey found that most women aged 35 and older experience leg swelling, tired legs, or restless feelings weekly. Many report being forced to take time off work or quit jobs due to leg health concerns, affecting their career progress and social activities.