Calibration of the Brief Food Frequency Questionnaire Among Patients on Dialysis

Conclusion: Energy and macronutrient estimates by BFFQ are lower than estimates from 3-day food diaries, but simple calibration equations can be used to approximate total intake from BFFQ responses.

Source: Journal of Renal Nutrition - March 7, 2014 Category: Urology & Nephrology Authors: Cynthia Delgado, Patricia Ward, Glenn M. Chertow, Lindsey Storer, Lorien Dalrymple, Torin Block, George A. Kaysen, John Kornak, Barbara Grimes, Nancy G. Kutner, Kirsten L. Johansen Tags: Original Research Source Type: research