Epidemiology and Statistics Quiz

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16 Questions

What is the proportion of U.S. population with tuberculosis in 2007, given that the number of cases is 13,293 and the total number of US population is 301,290,332?

0.000044

What is the rate of tuberculosis among the US population in 2007, based on the given data?

0.0044%

What does the mortality rate measure for a given change in time?

Number of deaths for a given change in time

Which rate is widely considered to be a useful measure of the overall health and development of a nation?

Infant mortality rate

What does prevalence measure in public health?

Frequency of a health outcome in a population at a certain period of time

What is the count based on the given definition?

Number of cases in a specific time and location

What is the main difference between endemic, epidemic, and pandemic?

Geographic scope of the disease

In epidemiology, what is the denominator when calculating the incidence rate using person-years?

Person-time at risk

Which term refers to diseases that occur with expected frequency in a population?

Endemic

What is a confounder in epidemiology?

A variable that confuses the relationship between the exposure and outcome

What is the main characteristic of incident cases of disease in epidemiology?

They are free of the health outcome at the beginning of a defined time period

What does the incidence rate in epidemiology measure?

The number of new cases divided by person-time at risk

Which type of disease has reached epidemic levels and spreads around the world?

Pandemic disease

What does the incidence rate denominator calculation using Census involve?

Total population multiplied by the time period of interest

Which type of diseases occur with expected frequency in a population?

Endemic

What defines incident cases of disease in epidemiology?

They are free from health outcomes at the beginning of a defined time period

Test your knowledge of epidemiology and statistics with questions on count, proportion, and rate calculations. Learn about analyzing disease cases in specific times and locations and understanding the proportion of cases in relation to the population.

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