Cohort Studies

Question 1

Study subjects are enrolled according to their exposure status (or enrolled, after which exposure assessment occurs) and followed over a specified time period of observation during which outcome incidence data are collected.

Answer 1

Cohort study

Question 2

In a cohort study, _____ assignment not possible (advantage)

Answer 2

Exposure

Question 3

Cohort studies are interested in multiple ________ (advantage)

Answer 3

Outcomes

Question 4

In cohort studies, the exposure of interest is ____ (advantage)

Answer 4

rare

Question 5

In cohort studies, the population amenable to _____ (advantage)

Answer 5

follow-up

Question 6

In cohort studies, there is no assignment of _______

Answer 6

exposure

Question 7

Cohort studies are inefficient for rare _______

Answer 7

diseases

Question 8

A loss to follow-up threatens ____ in cohort studies

Answer 8

validity

Question 9

Cohort studies are _____ expensive than other observational designs

Answer 9

more

Question 10

What are the possible measures of occurrence for cohort studies?

Answer 10

risk difference (RD), risk ratio (RR), incidence rate difference (IRD), incidence rate ratio (IRR), odds ratio (OR), hazard ratio (HR)