Measuring Disease In Population Flashcards
1
Q
How do you study prevalence?
A
With a cross sectional study
2
Q
Incidence rate is a measure of absolute risk. True or false?
A
True
3
Q
Incidence ratio=?
A
Rate of exposed/ rate of unexposed
4
Q
Ratios are a measure of relative risk. True or false?
A
True
5
Q
If an IRR is higher than 1, what does this say about the exposure factor?
A
The exposure factor and disease are associated
6
Q
What are incidence rates measured in?
A
Events per persons per year
7
Q
What is absolute risk?
A
It measures the size of a risk in a person or group of people
8
Q
What is relative risk?
A
It compares the risk between two different groups of people
9
Q
Prevalence is proportional to what?
A
Incidence multiplied by length of disease
