Introduction to Epidemiology 6th Edition by Ray M Merrill

Exercise 13

Compare and contrast the incidence rate with the prevalence proportion.

Step 1 of 2

The frequency size in which the numerator contains insignificant data which shows the absence or presence of a state or event that is related to health is known as rate. Time is also included in it. Incidence rate is defined as the number of cases that are new which is related to a state or event of a health which is described in a given interval of time divided to people who are at risk to become a case. This can be formulated as follows:

Where, values of n may be 0, 1, 2, 3, 4, and so on.