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Contents
- 1 Introduction: An Epidemic of Blindness in Young Children
- 2 Diseases and Populations
- 3 Disease Frequency: Basic
- 4 Disease Frequency: Advanced
- 5 Overview of Study Designs
- 6 Sources of Data on Disease Occurrence
- 7 Person, Place, and Time
- 8 Inferring a Causal Relation Between Exposure and Disease
- 9 Measures of Excess Risk
- 10 Measurement Error
- 11 Confounding and Its Control: Basic
- 12 Confounding and Its Control: Advanced
- 13 Randomized Trials
- 14 Cohort Studies
- 15 Case-Control Studies
- 16 Ecological and Multi-Level Studies
- 17 Induction Periods and Latent Periods
- 18 Improving the Sensitivity of Epidemiologic Studies
- 19 Screening
- 20 Outbreak Investigation
- 21 Evaluating the Effects of Policies on Health
