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Principles of Epidemiology

A risk factor is a behavior, environmental exposure, or inherent human characteristic that is associated with an important health condition. Question options: True C False One risk factor is typically cause of a disease Question options: True a False This type of transmission occurs when an agent is transferred or carried by some intermediate item, organism, means, or process to a susceptible host, resulting in disease. Question options: Direct transmission Airborne transmission Vehicle-borne transmission a Indirect transmission An object such as a piece of clothing, a door handle, or a utensil that can harbor an infectious agent, and is capable of being a means of transmission, is: Question options: Vector Reservoir a Fomite Carrier Use the following information to answer your quiz question. The Behavioral Risk Factor Surveillance System is an annual survey conducted by the Centers for Disease Control and Prevention. This data is available by state. According to BRFss for a certain state, there were 3,122 respondents with arthritis and 5,259 without. Of those with arthritis, 1,175 reported fair/poor health and 1,947 reported their health as excellent/very good. Of those without arthritis, 771 reported their health as fair/poor, and 4,488 reported excellent/very good health. What is the prevalence of arthritis in this sample? Express as a percentage Question options: a [3122 / (3,122 + 5,259)] x 100 = 37.3% (1947 / 3,122) x 100 = 62.4% (771 / 5,259) x 100 = 14.7% c [771 / (3,122 + 4,488)] x 100 = 10.1% Use the following information to answer your quiz question. The Behavioral Risk Factor Surveillance System is an annual survey conducted by the Centers for Disease Control and Prevention. This data is available by state. According to BRFss for a certain state, there were 3,122 respondents with arthritis and 5,259 without. Of those with arthritis, 1,175 reported fair/poor health and 1,947 reported their health as excellent/very good. Of those without arthritis, 771 reported their health as fair/poor, and 4,488 reported excellent/very good health. What is the prevalence fair or poor health among those with arthritis? Question options: (1,175 / 5,259) x 100 = 22.3% (771 / 1,947) x 100 = 39.6% (1,175 / 3,122) x 100 = 37.6% (4,488 / 5,259) x 100 = 85.3% Use the following information to answer your quiz question.