Chapter 2: Environmental Epidemiology – Flashcards
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The contributions of epidemiology to environmental health include:
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concern with populations use of observational data descriptive and analytic studies
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Which of the following activities characterizes the epidemiologic approach (as apposed to the clinical approach)
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Study of cancer occurrence in populations
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The risk of acquiring a given disease during a time period is BEST determined by:
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the incidence rate for that disease in a given period of time
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Incidence rate is expressed as
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Number of cases/population X 100000
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Point prevalence is measured by
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Number of individuals/population
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During a Texas community reported 87 cases of H1N1- associated influenza. Ultimately, 9 fatal cases of H1N1 occurred during this same month. There were 4 other fatalities. The CFR associated with H1N1 during April was
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fatal cases/ total cases X 100
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Those members of the population who are capable of developing a disease or condition
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the population at risk
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Examples of purely observational epidemiologic studies DO NOT usually include:
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Experimental studies
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In a case-control study, cases are those who have the outcome of interest and the controls are those who do not.
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True
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A relative risk of less than 1 mean that there is no association between exposure and outcome
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False
