Flashcards
Epi Flash Cards Week 6
Cards in this deck (6)
- 1BiasTo under- or over-estimate a relationship between an exposure and an outcome
- 2ConfoundingA relationship between an exposure and outcome is best explained by a third variable
- 3Cohort StudyCompares disease incidence over time between groups that differ by exposure
- 4Case Control StudyCompares prevalence of a history of exposure in individuals with and without a disease
- 5Ecological StudyExamines exposure-disease associations among groups of people
- 6Ecological FallacyAssociation at aggregate level may not reflect association at individual level