Validity of Short Food Frequency Questionnaires Used in Cancer Chemoprevention Trials: Results from the Prostate Cancer Prevention Trial
Here, we describe the measurement characteristics of a 13-item dietary screener used in the Prostate Cancer Prevention Trial. We used data from 10,913 men who completed the 13-item dietary screener, a food frequency questionnaire (FFQ), and questionnaires on demographic and health-related characteri...
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Veröffentlicht in: | Cancer epidemiology, biomarkers & prevention biomarkers & prevention, 1999-08, Vol.8 (8), p.721-725 |
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