Final exam review flashcard

Front

True or False: Relative risk can be directly calculated in both cohort and case-control studies.

Back

False

Front

A cohort study finds the incidence of heart disease to be 20 per 1,000 among shift workers and 8 per 1,000 among non-shift workers. If 25% of the workforce are shift workers, what is the overall incidence of heart disease in the total population?

Back

11.0 per 1,000

Front

A study measures diet habits and blood pressure at the same time in a sample of adults. This is an example of what study design?

Back

Cross-sectional study

Front

In a cohort study, the measure used to compare the risk of disease among the exposed group to the unexposed group is called the

Back

Relative Risk

Front

Which study design begins with a group of individuals classified based on their exposure status and then measures the development of disease over time?

Back

Prospective cohort study

Front

What is the primary purpose of a cohort study?

Back

To observe the incidence of disease in a group over time based on exposure status.

Front

Define 'case-control study'.

Back

A study design that compares individuals with a specific condition (cases) to those without the condition (controls) to identify potential risk factors.

Front

What is a cross-sectional study?

Back

A study that analyzes data from a population at a specific point in time.

Front

What does 'relative risk' measure?

Back

The risk of a certain event (like disease) occurring in an exposed group compared to a non-exposed group.

Front

What is the difference between prospective and retrospective cohort studies?

Back

Prospective studies follow participants forward in time, while retrospective studies look back at data from past events.