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What measures are used to compare the frequency of disease in populations and what information do...

What measures are used to compare the frequency of disease in populations and what information do they provide? Basic epidemiology Book 2nd Edition chapter 2 study questions

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Answer #1

Following are the frequency measures used for disease frequency :

1. Prevalence

Prevalence measures the proportion of individuals in a defined population that have a disease or other health outcomes of interest at a specified point in time (point prevalence) or during a specified period of time (period prevalence).

2. Incidence

In contrast to prevalence, incidence is a measure of the number of new cases of a disease (or other health outcome of interest) that develops in a population at risk during a specified time period.

3. Age specific mortality rate : measures the number of deaths in a specific age group per year

4. Infant mortality rate : measures the number of deaths of children younger than 1 year per year.

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