Summary

Epidemiology (AB_470180): Complete Summary (VU Amsterdam)

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Course
AB_470180 (AB_470180)

Institution
Vrije Universiteit Amsterdam (VU)

The document provides a comprehensive summary of all the lectures. Please message me if the size of the document isn't correct. Stuvia converts it to a different size (from A3 to A4) so it might be that something gets cut off. If so, message me and I'll send it to you again either via Stuvia or em...

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Uploaded on June 23, 2024
File latest updated on June 26, 2024
Number of pages 52
Written in 2023/2024
Type Summary

epidemiology
vuamsterdam
biomedicalsciences
vu

Institution
Vrije Universiteit Amsterdam (VU)
Education
Biomedical Sciences
Course
AB_470180 (AB_470180)

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Epidemiol

, NOTEBOOK DASHBOARD

1 2
Study designs Measures of frequenc

3 4
Measures of effect and impact Confounding and effe

5 6
Logistic regression Bias

7 8
Randomization

9 10

11 12

, 1

Study designs

, Lecture 1 - Srudy designs

1) Case series
→ detailed clinical description
→ single or few patients

,2) Cross-sectional study
→ assessing occurrence of an outcome in a specific setting
→ exposure and outcome measured at the same time
→ analysis mainly descriptive (exploring possible associations

Main purpose:
→ estimating prevalence
→ identifying potential associated factors

3) Ecological study
→ outcomes and exposures measured at group level (often in
design)
→ analysis mainly through correlations

, 4) Case-control study
→ 2 groups of individuals: with and without outcome of inter
→ selection on outcome
→ measuring of exposure (difference in exposure)
→ formal statistical comparison
→ measure of effect
→ hypothesis testing

Principles of selection:
1) study base principle
→ select controls from the study base in which cases aros
→ controls represent person-time distribution in exposur
independent of exposure status)
→ principle prevents selection bias

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