In order to create an economic measure of the direct and indirect effects of crime, it is necessary to consider the effects of crime on victims. The article reviews the state of research into the effects of crime on individuals, in respect of personal and household victimisation, and the effects of crime on businesses. General population surveys have concentrated upon the common property offences and minor violence and have tended to ignore the dimension of the course of victimisation over time.Longitudinal studies are rare and have concentrated upon serious violent crime. Because of the element of clinical judgment, much work on PTSD is unsuitable for creating an economic measure of effects over all types of crime. There needs to be a marriage of survey methodology with time measures, possibly using a panel design.
During COVID-19 concerns have heightened about the spread of aggressive and hateful language online, especially hostility directed against East Asia and East Asian people. We report on a new dataset and the creation of a machine learning classifier that categorizes social media posts from Twitter into four classes: Hostility against East Asia, Criticism of East Asia, Meta-discussions of East Asian prejudice, and Non-related. The classifier achieves a macro-F1 score of 0.83. We then conduct an in-depth ground-up error analysis and show that the model struggles with edge cases and ambiguous content. We provide the 20,000 tweet training dataset (annotated by experienced analysts), which also contains several secondary categories and additional flags. We also provide the 40,000 original annotations (before adjudication), the full codebook, annotations for COVID-19 relevance and East Asian relevance and stance for 1,000 hashtags, and the final model.
Creatine monohydrate is a dietary supplement that increases muscle performance in short-duration, high-intensity resistance exercises, which rely on the phosphocreatine shuttle for adenosine triphosphate. The effective dosing for creatine supplementation includes loading with 0.3 g·kg·d for 5 to 7 days, followed by maintenance dosing at 0.03 g·kg·d most commonly for 4 to 6 wk. However loading doses are not necessary to increase the intramuscular stores of creatine. Creatine monohydrate is the most studied; other forms such as creatine ethyl ester have not shown added benefits. Creatine is a relatively safe supplement with few adverse effects reported. The most common adverse effect is transient water retention in the early stages of supplementation. When combined with other supplements or taken at higher than recommended doses for several months, there have been cases of liver and renal complications with creatine. Further studies are needed to evaluate the remote and potential future adverse effects from prolonged creatine supplementation.
BackgroundConnecticut (CT) passed its original sport-related concussion (SRC) law (PA 10-62) in 2010. The law requires that a health-care professional evaluate high school athletes with concussion symptoms. The purpose of this study was to evaluate two level 1 Trauma Center Emergency Department (ED) records for SRC before and after the Connecticut Public Act (CT PA) 10-62 to determine if the law had an effect on the presentation to the ED of SRCs.MethodsA retrospective analysis of two level 1 Trauma Center Emergency Departments database was performed. Monthly data on SRCs treated in the study EDs from July 2003 through June 2012 were collected and analyzed using the autoregressive integrated moving average model. The number of SRCs in the youth (under age 14 years), high school (age 14 to 18 years), and adult (age >18 years) populations prior to CT PA 10-62 was compared to the number of SRCs post implementation of CT PA 10-62 for each academic school year, fall sports season, and summertime.ResultsMonthly SRCs in high school students treated in the study EDs increased from 2.5 cases to 5.9 cases between pre and post implementation of CT PA 10-62 (p < 0.001). Statistical modeling revealed that implementation of CT PA 10-62 was associated with significantly increased SRCs treated in the study EDs and that the increase was limited to the high school students in the fall season and during the school year.ConclusionsThere has been a marked increase in the frequency of SRCs treated in the emergency departments in the high school population in Connecticut after the implementation of the sport-related concussion law. The results suggest that the sport-related concussion law in Connecticut is effective in improving the evaluation and detection of SRCs in high school students.Electronic supplementary materialThe online version of this article (doi:10.1186/s40621-015-0034-7) contains supplementary material, which is available to authorized users.
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