PART A MFPH REVISION Full text version Feedback welcome: [email protected] www.edmundjessop.org.uk BEFORE YOU START? This is intended as a revision text. You cannot pass the exam by reading this text alone. Don?t underestimate the exam! In my view, about 240 hours of study are needed to acquire the knowledge base which is tested in this exam. I?ve designed this to be viewed on-screen (lots of clickable links, typeface optimised for screen etc.) ? 6EPIDEMIOLOGY ? 6Epidemiological studies: design ? 10Epidemiological studies: execution ? 10Expressing the main result ? 10Concepts and measures of risk ? 12Interventions ? 12Interpreting the result ? 13Bias ? 15Confounding ? 17Effect modifiers [interaction] ? 18Association and causation ?