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Relative validation of a food frequency questionnaire for national health and nutrition monitoring |
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| Authors: | Marjolein Haftenberger Thorsten Heuer Christin Heidemann Friederike Kube Carolin Krems Gert BM Mensink |
| Affiliation: | 1.Department of Epidemiology and Health Reporting,Robert Koch-Institute,Berlin,Germany;2.Department of Nutritional Behaviour,Max Rubner-Institute,Karlsruhe,Germany |
| Abstract: | BackgroundValidation of a food frequency questionnaire (FFQ) is important as incorrect information may lead to biased associations. Therefore the relative validity of an FFQ developed for use in the German Health Examination Survey for Adults 2008-2011 (DEGS) was examined. |
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