The Epic-Potsdam Study

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2. Subjects and methods 2.1 The European Prospective Investigation into Cancer and Nutrition-Potsdam This entire thesis is based on the participants of the European Prospective Investigation into Cancer and Nutrition-Potsdam (EPIC-Potsdam) study.The EPIC-Potsdam study. is a cohort study that is part of the multicentre EPIC study. This study comprises 27,548 middle-aged participants between 35 and 64 years old recruited between 1994 and 1998 from the general population of Potsdam,Germany and adjacent communities using the general population registries. Boeing et al [Boeing] presents details of study design and recruitment. Ethical approval for the study was obtained from the ethics committee of medical society of the federal state of Brandenburg, …show more content…

These include body mass index (BMI) calculated from body weight and height, age, sex, alcohol consumption (quantity per day) and smoking status (nonsmokers, current smokers [numbers of cigarettes smoked per day, smoking duration] and time since cessation for former smokers). Furthermore, educational attainment was expressed as vocational school or less, technical school and university. Vocational school or less implies a lower education of 10 years of school education with 2 years of additional professional training. Technical school implies 10 years of school followed by more than 2 years of professional training. Occupation was defined as higher-grade professionals, lower-grade professionals, skilled manual worker or non-manual employed and simple manual workers. Physical activity information was obtained through a plethora of questions on occupational physical activity, cycling and sports activity. These information was used to assign participants to one of four categories (inactive, moderately inactive, moderately active and active) of the Cambridge physical activity …show more content…

Information on the history of periodontitis and bone loss in the mouth was also provided (“Has a dentist ever told you that you have periodontitis and /or that you are losing (or have lost) the bone around your teeth?”). The number of teeth present at baseline for each participant was calculated by the addition of the number of teeth present at the fourth follow-up and the number of teeth lost until the fourth follow-up

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