Research
Test-retest reproducibility of a food frequency questionnaire (FFQ) and estimated effects on disease risk in the Norwegian Women and Cancer Study (NOWAC)
1 Institute of Basic Medical Sciences, Department of Biostatistics, University of Oslo, P.O. Box 1122 Blindern, N-0317 Oslo, Norway
2 Institute of Community Medicine, University of Tromsø, N-9037 Tromsø, Norway
Nutrition Journal 2006, 5:4 doi:10.1186/1475-2891-5-4
Published: 31 January 2006Additional files
Additional File 1:
Additional file 1 Food items included in the dietary intake computations listed by the food groups in Table 3
Format: PDF Size: 29KB Download file
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Additional File 2:
Additional file 2 Original version of the food frequency questionnaire used in the reproducibility study
Format: PDF Size: 570KB Download file
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