introduction to epidemiological data.pptx

Introduction to Epidemiology Dr Anna Kenyon Learning outcomes Macro Micro - Explain and practice key Understand the principles of techniques in epidemiology and collecting epidemiological understand some routine data methods of data collect...

Introduction to Epidemiology Dr Anna Kenyon Learning outcomes Macro Micro - Explain and practice key Understand the principles of techniques in epidemiology and collecting epidemiological understand some routine data methods of data collection and Understand the concept of analysis surveillance and the different - Describe the methodological methods of health approaches to measuring surveillance. diseases in populations and assessing relationships between exposures and diseases. Epidemiology Measuring But also… Analysing Understanding Interpreting Applying Questioning Detecting Evaluating Innovating Refining Hypothesising …  Whodunnit? What caused the childhood obesity? e.g. The odds ratio for obesity increased linearly as the number of hours of television viewing increased Prevalence of Unadjusted Risk factors childhood obesity (n=7758) (univariable) odds ratio (95% Cl) P value Final model a djusted odds r We found that eight of 25 P value atio (95% Cl)† (n=5493) putative early life risk factors for obesity in childhood were Time spent w atching televi significantly related to risk of sion per week (hours)*: ≤4 5.2 (75/1450) 1