Preface

The Approach and Evolution of Epidemiology

Measures of Disease Frequency

Comparing Disease Frequencies

Sources of Public Health Data

Descriptive Epidemiology

Overview of Epidemiologic Study Designs

Experimental Studies

Cohort Studies

Case-Control Studies

Bias

Confounding

Random Error

Effect Measure Modification

Guide to the Critical Review of Epidemiologic Studies

The Epidemiologic Approach to Causation

Screening in Public Health Practice

Answers to Exercises