This is a comprehensive compilation of information from POPH90014 lectures, the textbook, tutorials and other useful sources I found online to aid my study.

Includes all summarised formulae required to know for each topic.

Topics included are:
1. Introduction to epidemiology (role of epidemiology in public health, definitions)
2. Measures of disease frequency (prevalence, incidence proportion, incidence rate)
3. Measures of association (ratios, differences, attributable fractions, prevented fractions, vaccine efficacy)
4. Descriptive epidemiology (age-standardised rates, global health indicators, infant/child mortality)
5. Causal inference (counterfactual definition, exchangeability, confounding, directed acyclic graph; DAGs)
6. Randomised controlled trials
7. Cohort studies
8. Case-control studies
9. Cross-sectional studies (including prevalence surveys)
10. Selection bias, information bias (including differential and non-differential measurement error)
11. Systematic reviews and meta-analyses
12. Assessing the evidence for causality (Bradford-Hill guidelines)
13. Infectious disease epidemiology
14. Screening (specificity, sensitivity, PPV, NPV)


Semester 1, 2020

31 pages

10,400 words



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