A risk factor is a concept in finance theory such as the CAPM, APT and other theories that use pricing kernels. In these models, the rate of return of an asset (hence the converse its price) is a random variable whose realization in any time period is a linear combination of other random variables plus a disturbance term or white noise. The capital asset pricing model (CAPM) is used in finance to determine a theoretically appropriate price of an asset given that assets non-diversifiable risk. ... Arbitrage pricing theory (APT) holds that the expected return of a financial asset can be modelled as a linear function of various macro-economic factors, where sensitivity to changes in each factor is represented by a factor specific beta coefficient. ... Rates of Return (ROR): can apply to a number of different equations, these are as follows: using the illustration that is to your right, these figures will help define the difference between each catagory. ... A random variable is a term used in mathematics and statistics. ... In mathematics, linear combinations are a concept central to linear algebra and related fields of mathematics. ... For other uses of the term white noise, see white noise (disambiguation). ...
Low testosterone in men may be diabetes riskfactor
After the influence of age, race and obesity was factored in, men with the lowest levels of testosterone were four times more likely to have diabetes than men with the highest levels.
Yet, "even after accounting for the effect of obesity, low testosterone levels still appear to be an important riskfactor for diabetes," she said.
Riskfactors are chronic infection with hepatitis B or C virus, cirrhosis of the liver (chronic liver injury, usually due to alcohol abuse), aflatoxin ingestion (produced by a common mold that invades poorly stored peanuts and other foods), and occupational exposure to thorium dioxide or vinyl chloride.
Riskfactors are excessive exposure to ultraviolet radiation (sunlight), fair skin, history of severe sunburns, personal or family history of melanoma, multiple moles or atypical moles (colored skin spots), giant congenital moles, xeroderma pigmentosum (a rare hereditary disease), personal history of melanoma, and reduced immune function due to organ transplants or HIV infection.
Riskfactors are genetic factors, certain rare inherited syndromes such as neurofibromatosis, being a parent or sibling of a child with brain cancer, high doses of ionizing radiation, and occupational exposure to certain aromatic hydrocarbon compounds, bis-chloromethyl ether, vinyl chloride, and acrylonitrile.
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