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Table of Contents
Vol. 43, No. 4, 1999
Issue release date: July–August 1999
Section title: Paper
Ann Nutr Metab 1999;43:205–215
(DOI:10.1159/000012787)

Recruitment Procedures of EPIC-Germany

Boeing H.a · Korfmann A.b · Bergmann M.M.a
aDepartment of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbrücke, and bDepartment of Epidemiology, German Cancer Research Center, Heidelberg, Germany

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Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: 12/9/1999
Issue release date: July–August 1999

Number of Print Pages: 11
Number of Figures: 0
Number of Tables: 5

ISSN: 0250-6807 (Print)
eISSN: 1421-9697 (Online)

For additional information: http://www.karger.com/ANM

Abstract

EPIC is among the largest cohort studies, with approximately 475,000 study participants, on the etiological influence of diet and chronic diseases. During a 4-year recruitment period, two German EPIC centers, located in Heidelberg and Potsdam, aimed to recruit a total of 60,000 study participants from the local populations. The recruitment process was based on addresses from general population registries and started 4–5 weeks in advance with an initial invitation by mail to the basic examination for this study. Subjects not responding within 2 weeks were reminded. In Potsdam, this was done by mail and telephone, and in Heidelberg by telephone. During the recruitment phase, from 1994 to 1998, 53,162 subjects in total were examined for the cohort studies in Heidelberg (n = 25,546) and Potsdam (n = 27,616). The participation rate, compared to the invited number of subjects, was 22.7% in Potsdam and 38.3% in Heidelberg, with a considerable variation by municipality and gender. A comparison with data from the National Health Survey 1991/1992 revealed that the cohort populations were of higher socio-economic status and were healthier than the source population. We concluded that the selective participation would help to ensure high maintenance of the cohort during active follow-up. Selective participation does not harm etiological conclusions because disease associations are derived internally as relative risk. The relative risk estimates can be used to calculate population-attributable risk and preventable proportion, based on exposure prevalence derived by surveys and other studies.

© 1999 S. Karger AG, Basel


  

Author Contacts

Dr. Heiner Boeing
Department of Epidemiology, German Institute of Human Nutrition
Potsdam-Rehbrücke, Arthur-Scheunert-Allee 114–116
D–14558 Bergholz-Rehbrücke (Germany), Tel. +49 33 200 88 304
Fax +49 33 200 88 304/444, E-Mail boeing@www.dife.de

  

Article Information

Number of Print Pages : 11
Number of Figures : 0, Number of Tables : 5, Number of References : 20

  

Publication Details

Annals of Nutrition & Metabolism (European Journal of Nutrition, Metabolic Diseases and Dietetics)
Founded 1959 as ’Nutritio et Dieta‘ by E. Azerad, H. Kapp and J. Trémolières
Official Journal of the Federation of European Nutrition Societies (FENS)

Vol. 43, No. 4, Year 1999 (Cover Date: July-August 1999)

Journal Editor: G. Wolfram, Freising
ISSN: 0250–6807 (print), 1421–9697 (Online)

For additional information: http://www.karger.com/journals/anm


Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: 12/9/1999
Issue release date: July–August 1999

Number of Print Pages: 11
Number of Figures: 0
Number of Tables: 5

ISSN: 0250-6807 (Print)
eISSN: 1421-9697 (Online)

For additional information: http://www.karger.com/ANM


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Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in goverment regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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