Cigarette Smoking and Lung Cancer
Source: Centers for Disease Control and Prevention,Atlanta, USA>Objectives
- Discuss design elements and advantages and disadvantages of case-control versus prospective cohort studies
- Discuss some of the biases which might have affected these studies
- Calculate and interpret a relative risk, rate difference, odds ratio, and attributable risk
- Appreciate how the measures do or do not reflect strength of association and the public health importance of the association
- Review the criteria for causality
