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HSCI 330

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broski's version from 2015-09-12 19:05

WEEK 1

 

The study question.
Exposure (E), Disease (D) and Control (C) variables.
Whether each variable is continuous or categorical.
The number of levels in each categorical variable.
Variables that should be controlled in the analysis stage.

 

IMPORTANT METHOLOGICAL ISSUES
What is the study question?
How should the study variables be measured?
How should the study be designed?
What measures of disease frequency should be used?
What kinds of bias are likely?
How do we analyze the study data?

 

Question Answer
Data is obtained fromsurveys, interviews, samples, laboratory
exposure variable
health outcome or disease variable
control variable
memorize

BASIC STUDY DESIGNS

Question Answer
clinical trial
cross sectional
case-control
cohort
memorize

BASIC EPI TERMS

Question Answer
Rate
proportion
risk
odds
prevalence
incidence
risk ratio
odds ratio
rate ratio
prevalence ratio
memorize

BIASES

Question Answer
selection bias
information bias
confounding bias
memorize

APPROPRIATE DATA ANALYSES

Question Answer
logistic regression
risk factors
confounding variables
effect modification
memorize