Epidemiology/Biostatistics

Epidemiology/Biostatistics

1. Study types

   • Observational
     • Case-series studies
       • Types of research questions
         • Who has this disease?
         • Where are the outbreaks?
       • Descriptive (only)
     • Case-control studies
       • Analytical
         • Generate hypotheses

2. Statistical measures

   • Chi square X^(2)
   • ANOVA
   • T test
   • Z test
     • 2 sample Z test: comparing proportions
   • p-value
     • Probability Vaule

3. Epidemiology model

   • Agent
   • Host
   • Environment

4. Statistics

   • Standard error
     • sample data to measure spread
       • The higher the number, the more spread out are the data.