Sample Essay on:
Web of Causation

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A 4 page research paper that explains this model of epidemiological explanation for disease. Bibliography lists 5 sources.

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4 pages (~225 words per page)

File: D0_khwofc.rtf

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microorganism, which then makes it possible to develop a vaccine against that organism, e.g., measles, polio, smallpox, etc., causation it not always so direct. Historical development; MacMahon and Pugh developed the concept of a "chain of causation," which was later and more accurately renamed the "web of causation" in 1970 in order to "explain disease and disability caused by multiple factors" (McEwen and Wills, 2007, p. 332). This model acknowledges that many diseases, such as coronary artery disease, are caused by a single factor, but rather are the cumulative effect of the "interaction of multiple factors" (McEwen and Wills, 2007, p. 332). Defining and demonstrating the concept: Today, it is widely accepted in public health that there are multiple causal factors for patterns of disease; however, it should still be noted that there is little agreement among epidemiologists, or social and behavioral scientists, on how, precisely, to "untangle the web of causation" (McGuire, 2005, p. 557). The various factors that make up a "web of causation" for a particular disease and complex, as "every cause is interconnected" (Web of causation, 2007). For example, consider a "web of causation" model designed to graphically explain the relationships between six factors associated with development of lung cancer. While smoking tobacco products is known to be a contributing cause for lung cancer, it is also true that some people can smoke all their lives and not contract this disease, while others, even some non-smokers, will contract it. A "web of causation" model explains this health outcome fact. In this web, the five contributing factors are grouped around the central diagnosis of lung cancer. Lines drawn from the factors to those associated with it demonstrate the interconnected nature of the relationships. For example, heredity interacts with diet and environment, as ...

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