Research
Adherence
Higher Body Mass Index (BMI) is a strong predictor of increased under-reporting of energy and protein intake in both FFQs and 24-hour recalls.
If you have a higher BMI, your self-reported food intake is likely to be significantly underestimated. Use calibration equations that include your BMI to get a more accurate estimate of your true intake.
StrongSupportsHIGH confidence
A higher BMI was consistently associated with increased under-reporting of both energy and protein intakes using both FFQs and 24-hour recalls.
Why this rating
Pooled analysis of 5 large validation studies.
Source
Pooled Results From 5 Validation Studies of Dietary Self-Report Instruments Using Recovery Biomarkers for Energy and Protein Intake
Laurence S. Freedman et al. · American Journal of Epidemiology · 2014
Meta-analysis · 5 studiesCited 524×
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