This text provides a comprehensive overview of the epidemiologic methods used to study injuries and evaluate interventions to prevent them. The author explains the formation of research questions, the sources of reliable and valid data, and the selection of research methods. The difficulties of applying rates and ratios to the evaluation of programs are discussed as well, and the use of economic concepts and policy analysis is covered. The Second Edition provides specific objectives for research in the various stages of injury control planning and implementation, including the types of data needed to reach the objectives. The new edition of Injury Epidemiology is a unique, comprehensive guide to this specialized field. It will benefit students, newcomers and seasoned researchers in the areas of injury prevention, injury control, and epidemiology.