Related Experiment Video
Updated: Jun 25, 2026
04:46
'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake
Published on: September 18, 2018
Comparison between optical readable and open-ended weighed food records.
Margaretha Nydahl1, Inga-Britt Gustafsson, Rawya Mohsen
1Department of Food, Nutrition and Dietetics, Uppsala University, BMC, Uppsala, Sweden.
Food & Nutrition Research
|March 6, 2009
Summary
A simplified optically readable food record (ORFR) underestimated energy and nutrient intake compared to a weighed record (WR). Adjustments to ORFR portion sizes could make it a suitable tool for dietary surveys.
Area of Science:
- Nutrition Science
- Dietary Assessment Methods
Background:
- A simplified optically readable food record (ORFR) was developed.
- ORFR was compared against an open-ended weighed record (WR).
Purpose of the Study:
- To compare nutrient and food intake estimation between a seven-day ORFR and a seven-day WR.
- To validate both methods against 24-hour urinary nitrogen excretion and energy intake (EI)/estimated basal metabolic rate (BMR) cut-off values.
Main Methods:
- The study included 73 healthy, free-living 70-year-old Swedish men.
- Dietary data were collected over seven consecutive days using either WR or ORFR.
Main Results:
- ORFR significantly underestimated average energy and nutrient intake compared to WR.
- Spearman correlation coefficients for energy and macronutrients ranged from 0.4-0.6; for micronutrients, 0.3-0.5.
- A higher proportion of subjects under-reported EI using ORFR compared to WR. Protein intake was 31% lower than urinary nitrogen excretion values.
Conclusions:
- Adjustments to ORFR portion sizes are recommended based on the findings.
- ORFR offers advantages in reduced response burden and rapid data processing.
- With adjustments, ORFR could be a suitable tool for dietary surveys and epidemiological investigations.
