Final Exam - Epidemiology: Study Designs Flashcards
1
Q
What is the need for Study Designs?
A
- Select the best available preventive or therapeutic measures
- Prevent or delay death or disability
- Improve the health of a patient or the population
- Studies to investigate the etiology and identify risk factors for human disease
2
Q
Experimental study design:
A
- Randomized
- Intervention performed
3
Q
What are the types of Experimental studies?
A
- Clinical trials
- Community trials
4
Q
What type of study design are Cohort (Prospective) and Case-Control (Retrospective)?
A
- Observational
- No intervention
- Hypothesis tested
- Analytic
5
Q
Cohort (Prospective) sampling is based on?
A
Exposure status (exposed/not exposed)
6
Q
Case-Control (Retrospective) sampling is based on?
A
Outcome/Disease status
7
Q
What does triple blinded mean?
A
Patients, health care providers and data analysts are unaware of the assignment
8
Q
Cohort Studies compare the:
A
rate (risk) of disease in these groups
9
Q
When is Relative Rate used?
A
Cohort studies
10
Q
When is Odds Ratio used?
A
Both Cohort and Case-control
