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In the nearly three years since the publication of the ActivEpicompanion text, the authors received several suggestions to produce an abbreviated version that narrows the discussion to the most "essential" principals and methods. A Pocket Guide to Epidemiology contains less than half as many pages as the ActivEpi Companion Text and is a stand-alone introductory text on the basic principals and concepts of epidemiology.
A pocket size introduction.- The big picture – with examples.- How to set things up? Study designs.- How often does it happen? Disease frequency.- What’s the answer? Measures of effect.- What is the public health impact?.-Is there something wrong? Validity and bias.- Were subjects chosen badly? Selection bias.- Are the data correct? Information bias.- Other factors accounted for? Confounding interaction.- Confounding can be counfounding – several risk factors.- Simple analyses – 2x2 tables are not that simple.- Control – what it’s all about.- How to deal with lots of tables - stratified analysis.- Matching – seems easy, but not that easy.