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8 Cards in this Set
- Front
- Back
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Sufficient cause |
Factor inevitably results in outcome |
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Necessary cause |
Outcome only occurs if factor has operated (hiv is necessary to develop aids) |
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Component |
Factor that contributes to outcome but not sufficient to cause disease on own |
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Cross sectional study |
Single point in time- study pop |
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Bardford hills causal guidelines- which is most impt/essential |
Temporality |
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Case control |
Study pop, look backward to whether they had this exposure or not , retrospective- need cases and controls- look for disease not exposure |
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Cohort |
Comparing disease over time in Indiv w exposure to those without- prospective and retrospective- can pick either- look for exposure not disease |
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Specificity as a causal criteria- Relevant? |
No. |
