Preface. v»
List of Abbreviations Used. viii
Part 1: Epidemiology
General Principles. 3
Concepts of Cause and Risk and Types of Epidemiological Study. 7
Descriptive Studies. 14
Surveys and Survey Methods. 28
Cohort Studies. 38
Case control Studies. 45
Intervention Studies. 54
Health Information and Information Systems. 60
Medical Demography. 86
Part 2: Prevention and Control of Disease
General Principles. 107
Agents and Environmental Control. 112
Occupational Health and Accidents. 135
Immunization. 142
Health Education and Nutrition. 149
Screening. 155
Part 3: Health Services
History and Principles. 165
The National Health Service. 174
Appendix: Suggested Further Reading. 191
Index. 192
