Epidemiology

Section I: The Epidemiologic Approach to Disease and Intervention 1. Introduction 2. The Dynamics of Disease Transmission 3. Measuring the Occurrence of Disease 4. Assessing the Validity and Reliability of Diagnostic and Screening Tests 5. The Natural History of Disease: Ways of Expressing Prognosis 6. Assessing the Efficacy of Preventive and Therapeutic Measures: Randomized Trials 7. Randomized Trials: Some Further Issues Section II: Using Epidemiology to Identify the Cause of Disease 8. Cohort Studies 9. Case-Control and Cross-Sectional Studies 10. Estimating Risk: Is There an Association? 11. More on Risk: Estimating the Potential for Prevention 12. A Pause for Review: Comparing Cohort and Case-Control Studies 13. From Association to Causation: Deriving Inferences from Epidemiologic Studies 14. More on Causal Inferences: Bias, Confounding, and Interaction 15. Identifying the Roles of Genetic and Environmental Factors in Disease Causation Section III: Applying Epidemiology to Evaluation and Policy 16. Using Epidemiology to Evaluate Health Services 17. The Epidemiologic Approach to Evaluation of Screening Programs 18. Epidemiology and Public Policy 19. Ethical and Professional Issues in Epidemiology ANSWERS TO REVIEW QUESTIONS INDEX