These Introduction to Epidemiology notes cover weeks 5 to 10, which are relevant to the midterm exam. They are complete and easy to follow. Linked index table is given at the beginning of the notes for easy navigation. These PBHL 3001 notes include a few practise questions as well.
Covered topics are:
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Causation and hypothesis
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Risk factors, causality, Hill’s 9 criteria
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How to test hypotheses to establish causality
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Criteria of causality
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Sampling error and confidence intervals
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Effect modification and confounding
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Stratified analysis
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Direct and indirect age standardization
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Calculating crude mortality rate (CMR), cause-specific mortality rate (CSMR), age-specific mortality rate (ASMR)
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The steps to step up and calculate each type
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Study designs, including:
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Descriptive vs analytic
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Experimental vs observational
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Randomized and Quasi-Randomized controlled trial (RCT)
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Prospective and retrospective cohort
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Case-control
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Attributable risk and mortality calculations
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