Exam (elaborations)
Epidemiology Exam #2 ( Lecture 7 case control studies ).
- Module
- PHYA510: ACLS Algorithms
- Institution
- PHYA510: ACLS Algorithms
Epidemiology Exam #2 ( Lecture 7 case control studies ).
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Epidemiology Exam #2 ( Lecture 7 casecontrol studies )
Odds Ratio (OR) - ✅✅ -— Case control study used to calculate relative odds
of the outcome of interest
— (Ex: Disease or Disorder)
Relative Risk (RR) - ✅✅ -Incidence rate in exposed
= ——————————
Incidence rate in non- exposed
RR < 1 - ✅✅ -Implies that the risk is lower for the exposure groups when
compared to the non-exposure group
Rr = 1 -✅✅ -The risk of disease among the exposed is not different from the
risk among the non-exposed
✅✅-The risk twice as high among the exposed as non-exposed
RR = 2 -
RR>1 - ✅✅-Implies that the risk is higher for the exposure group compared
to the non-exposure group
What is a disadvantage of a case - control study ? - ✅✅-Participants may
have recall bias
What is an advantage of a case - control study ? - ✅✅-It is good for rare
diseases
What is the FIRST step in a case - control study ? - ✅✅-Assess CURRENT
disease status
What is the interpretation of on OR = 0.5 - ✅✅-Negative association
between the exposure and disease
What is the interpretation of on OR = 1 - ✅✅-No association between the
exposure and disease
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