Dietary assessment tools are fraught with reporting difficulties for adults--those who actually have the skills to report intakes for themselves. That difficulty is magnified when trying to collect data on young children's intake.
Given: dietary data is subject to reporting bias
BUT, if one has to do it, what are the best method(s) to pursue this?
Please avoid Food Frequency Questionnaires (FFQs) and other forms of memory-based dietary assessment methods. My work demonstrated these methods to be pseudo-scientific (i.e., non-falsifiable) and produce physiologically implausible (i.e., meaningless) data with no relation to actual dietary intake. Please see:
Archer E, Marlow ML, Lavie CJ. Controversy and Debate: Memory based Methods Paper 1: The Fatal Flaws of Food Frequency Questionnaires and other Memory-Based Dietary Assessment Methods. Journal of Clinical Epidemiology. 2018.
Archer E, Marlow ML, Lavie CJ. Controversy and Debate: Memory-Based Dietary Assessment Methods Paper #3. Journal of Clinical Epidemiology. 2018.
Archer E, Pavela G, Lavie CJ. The Inadmissibility of What We Eat in America and NHANES Dietary Data in Nutrition and Obesity Research and the Scientific Formulation of National Dietary Guidelines. Mayo Clinic Proceedings. 2015;90(7):911-926.
Best of luck,
Ed
Hello Dr. Archer,
Do you suggest any alternatives to the Memory based dietary assessment methods, knowing that record methods are not feasible in large scale epidemiological studies?
Thank you
Best wishes
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