Exam (elaborations)
STRATEGIES OF EPIDEMIOLOGY EXAM QUESTIONS AND ANSWERS
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STRATEGIES OF EPIDEMIOLOGY EXAM QUESTIONS AND ANSWERS
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STRATEGIES OF EPIDEMIOLOGY EXAMQUESTIONS AND ANSWERS
Yes - prospective no- retrospective - ANSWER-Following up on the outcome variable
Yes - experimental no - observational - ANSWER-Assigning an exposure variable
Cross-sectional study - ANSWER-Also known as prevalence study
Cross-sectional study - ANSWER-E and O are measured at one point in time
Cohort study - ANSWER-E is measured at the present time and the participants are
followed up to measure O at a future time
Case- control study - ANSWER-Once called the trohoc study
Case- control study - ANSWER-O is measured at present time and E of the participants
in the past is estimated
Experimental study - ANSWER-Best study design for controlling confounders
1. Examine existing facts
2. Generate new hypotheses
3. Test hypotheses
4. Conclude: generate new facts - ANSWER-What are the steps to the epidemiologic
approach?
Epidemiological hypothesis - ANSWER-A testable statement of putative relationship
between exposure/s vs outcome/s
Epidemiological hypothesis - ANSWER-A possible explanation about the determinants
of health and disease
Variable x - ANSWER-Independent variable
Variable x - ANSWER-Exposure variable
Variable x - ANSWER-The factor variable
Variable Y - ANSWER-Dependent variable
Variable Y - ANSWER-Outcome variable
Variable Y - ANSWER-The disease variable
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