Public health Flashcards
1
Q
What is an ecological study?
A
A descriptive study carried out a population level
2
Q
What are cross-sectional studies?
A
Snapshot data on participants at a single point of time, - measures the prevalence
3
Q
What are examples of observation studies?
A
Case-control
Cohort studies
4
Q
What is a case control study?
A
-Identifies those with a particular outcome and the looks at presence of previous hypothesised risk factors
(opposite of a cohort study)
5
Q
What is a cohort study?
A
A study identifying hypothesised risk factors and then follow up the study participants to measure the outcome of interest
6
Q
What is a randomised control trial?
A
Groups allocated the intervention or control group
7
Q
Benefits of rcts?
A
- minimised bias and confounders
- strong evidence of causal relationships found
8
Q
disadvantages of rcts?
A
- expensive
- big study teams needed
- large drop out rates
