Key issues in epidemilogic Researchs: And Oveview -- Objetives and methods of epidemiology research --

Fundamental of epidemiologic research -- Types of Epidemiologic Research -- Design options in Observational

Studies -- Typology of observational study designs -- Measures of disease frequency: incidence -- Other

measures of disease frequency -- Measures of association -- Measures of potential impact and summary of the

measures -- Validity of epidemiologic research -- Validity: general considerations -- Selection bias --

Information bias -- Confounding -- Confounding involving several risk factors -- Principles and procedures of

epidemiologic analysis -- Statiscal inference about effect mesasures: simploe analysis -- Overview of options

for control of extraneus factors -- Stratified analysis -- Matching in epidemiologic studies -- Interaction,

effect modification, and synergism -- Modeling: theoretical considerations -- Modeling: anaysis strategy --

Applications of modeling with no interaction -- Applications of logistic regresion with interaction, using

unconditional ML estimation -- Applications of modeling: conditional Likelihood estimation -- Appendix: Answer

to selected exercises -- Statistical tables -- Index --