STATS Exam

Question 1

Relative Risk

Answer 1

= risk of an event in one group divided by risk of an event in another group
Usually exposed vs unexposed
Answer usually means group A is x times more likely to develop disease/be at risk

Question 2

proportion

Answer 2

Fraction of one quantity compared to a whole

Question 3

Binary

Answer 3

x/non-x

Question 4

Nominal

Answer 4

Nationality’s

Question 5

Prevalence

Answer 5

Proportion of people in a population that have a disease at a given point in time

Question 6

Cumulative incidence / incidence proportion

Answer 6

= number of new events in time period divided by size of initial population at risk