Biomarker and Dietary Validation of a Canadian Food Frequency Questionnaire to Measure Eicosapentaenoic and Docosahexaenoic Acid Intakes from Whole Food, Functional Food, and Nutraceutical Sources Ashley C. Patterson, Ryan C. Hogg, Diane M. Kishi, Ken D. Stark, PhD Journal of the Academy of Nutrition and Dietetics Volume 112, Issue 7, Pages 1005-1014 (July 2012) DOI: 10.1016/j.jand.2012.03.030 Copyright © 2012 Academy of Nutrition and Dietetics Terms and Conditions
Figure Bland-Altman plot of agreement between food frequency questionnaire (FFQ) and 3-day food record estimates of eicosapentaenoic acid (EPA)+docosahexaenoic acid (DHA) intake (g/day). Journal of the Academy of Nutrition and Dietetics 2012 112, 1005-1014DOI: (10.1016/j.jand.2012.03.030) Copyright © 2012 Academy of Nutrition and Dietetics Terms and Conditions