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Injury prevention
Injury prevention is an effort to prevent or reduce the severity of bodily injuries caused by external mechanisms, such as accidents, before they occur. Injury prevention is a component of safety and public health, and its goal is to improve the health of the population by preventing injuries and hence improving quality of life. Among laypersons, the term "accidental injury" is often used. However, "accidental" implies the causes of injuries are random in nature.〔(【引用サイトリンク】title=Is There Such Thing As Accidental Injury? )〕 Researchers use the term "unintentional injury" to refer to injuries that are nonvolitional but preventable. Within the field of public health, efforts are also made to prevent or reduce "intentional injury." Data from the U.S. Centers for Disease Control, for example, show unintentional injuries are the leading cause of death from early childhood until middle adulthood. During these years, unintentional injuries account for more deaths than the next nine leading causes of death combined.
Injury prevention strategies cover a variety of approaches, many of which are classified as falling under the “3 E’s” of injury prevention: education, engineering modifications, and enforcement/enactment. Some organizations, such as Safe Kids Worldwide, have expanded the list to six E’s adding: evaluation, economic incentives and empowerment.
== Measuring effectiveness ==
Researching is challenging, because the usual outcome of interest is deaths or injuries prevented, and it is nearly impossible to measure how many people ''did not'' get hurt who otherwise would have. Education efforts can be measured by changes in knowledge, attitudes, beliefs and behaviors, before and after the intervention, however tying these changes back into reductions in morbidity and mortality is often problematic.
Examining trends in morbidity and mortality in the population is usually not difficult and may provide some indication of the effectiveness of injury prevention interventions. However, this approach suffers from the potential of ecological fallacy, where the data shows an association between an intervention and a change in the outcome, but there is actually no causal relationship.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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