HRS 1017 Lecture Notes - Lecture 3: Herd Immunity, Public Good, Relate
24 Jan 2020
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The study of disease and its treatment, control, and prevention in a population of individuals. In contrast, clinical medicine treats disease on an individual level. Samples of the population that are studied must be representative of the population for the results to be generalized to the total population. Your study is representative when the sample of a group (population) examined is similar to other groups. Information is generalizable when specific information (such as a causal factor) determined from a sample of a population can be applied to another group on a general basis. Don"t change it when you"re out in the community. If used constantly, you can see temporal trends. Define the period of time at risk. Relate cases of disease to population and time at risk. A clear definition of what is considered a case is essential for knowing what to measure.
