## Statistical methods in epidemiology, Volume 12; Volume 1989This book is an expanded version of the Kahn's widely used text, An Introduction to Epidemiologic Methods (Oxford, 1983). It provides clear insight into the basic statistical tools used in epidemiology and is written so that those without advanced statistical training can comprehend the ideas underlying the analytical techniques. The authors emphasize the extent to which similar results are obtained from different methods, both simple and complex. To this edition they have added a new chapter on "Comparison of Numerical Results for Various Methods of Adjustment" and also one on "The Primacy of Data Collection." New topics include the Kaplan-Meier product-limit method and the Cox proportional hazards model for analysis of time-related outcomes. An appendix of data from the Framingham Heart Study is used to illustrate the application of various analytical methods to an identical set of real data and provides source material for student exercises. The text has been updated throughout. |

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### Contents

Random Sampling | 12 |

Relative Risk and Odds Ratio | 45 |

Attributable Risk | 72 |

Copyright | |

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### Common terms and phrases

95 percent confidence AD/BC AGE SBP SBP10 assumption attributable risk calculate CHD AGE SBP CHD DTH DEATH CHOL FRW CIG CIG CHD DTH comparing computed confidence limits confounding controls coronary heart disease DBP CHOL FRW difference direct adjustment distribution DTH DEATH CAU epidemiologic equal Equation Framingham Data Subset Framingham Heart Study FRW CIG CHD incidence rate logrank M-H procedure Mantel-Haenszel method myocardial infarction null hypothesis number of deaths OBS CHD AGE odds ratio parameter percent confidence limits Persons Age 45 possible sample prevalence probability of death proportion regression coefficients relative risk retrospective studies risk factor sample means sampling variance SBP SBP10 DBP SBP10 DBP CHOL Serum Cholesterol Value simple random sampling smoking specific standard error standard population statistic stratified sampling stratum Subset for Exams summary systematic sampling systolic blood pressure type I error Valid Serum Cholesterol Value at Exam withdrawals YRS OBS CHD YRS YRS OBS