Introduction to Case-Control Study Design Flashcards Preview

1.1.4. Population Science > Introduction to Case-Control Study Design > Flashcards

Flashcards in Introduction to Case-Control Study Design Deck (9)
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1

What is analytical epidemiology?

Comparison with another group

2

What are the 3 types of observational studies?

Cross-sectional surveys, cohort studies, case-control studies

3

What is a case-control study?

Case vs control group – looked back upon – exposed or unexposed? – compare level of exposure in cases/controls

4

What is a cross-sectional survey?

data collected from a population, or a representative subset, at a specific point in time

5

What problems are present during a case-control study?

Selection bias, information bias, confounding

6

What is selection bias?

Where cases are not representative of the population from which the cases came

7

What is information bias?

Either non-differentiated misclassification (randomly inaccurate measurement) or systemic misclassification (recall bias, assessor bias, data collection differ)

8

How can confounding factors be addressed?

Minimised in selection (matching confounders), adjusted for in analysis

9

Why chose matching vs adjusting in regards to addressing confounding?

Matching = large. Adjusting = making like for like comparison