Comparison between optical readable and open-ended weighed food records
| Autor: | Wulf Becker, Rawya Mohsen, Margaretha Nydahl, Inga-Britt Gustafsson |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2009 |
| Předmět: |
0301 basic medicine
030209 endocrinology & metabolism portion sizes Portion size dietary assessment optically readable food record weighed registration urine nitrogen Human Nutrition Nutrient density Excretion 03 medical and health sciences 0302 clinical medicine Nutrient Urine nitrogen Medicine Food science 030109 nutrition & dietetics Nutrition and Dietetics business.industry Public Health Environmental and Occupational Health Livsmedelsvetenskap Protein intake Human nutrition Basal metabolic rate Original Article business Food Science |
| Zdroj: | Food & Nutrition Research Food & Nutrition Research; Vol 53 (2009) incl Supplements |
| ISSN: | 1654-661X 1654-6628 |
| Popis: | Background: A simplified optically readable food record (ORFR) was developed and compared with an openended weighed record (WR). Objective: To compare intake of nutrients and foods using a seven-day ORFR with intake estimated using a seven-day WR. The results from each method were validated against 24-h urine nitrogen excretion and energy intake (EI)/estimated basal metabolic rate (BMR) cut-off values. Design: The study comprised 73 free-living, healthy 70-year-old Swedish men. Dietary data were collected during seven consecutive days, starting either with WR or ORFR. Results: Average intakes of energy and several nutrients were significantly lower when estimated using ORFR than when using WR. However, when adjusted for nutrient density, only a few nutrients were still lower with ORFR. Spearman correlation coefficients between the two methods regarding intakes of energy and energyyielding nutrients were moderate to high, i.e. 0.4-0.6, while figures for most micro-nutrients were in the range 0.3-0.5. A large proportion of subjects under-reported their EIs, a higher proportion doing so when using ORFR. Protein intake obtained using ORFR was 31% lower than the values calculated from the 24-h urine nitrogen excretion, and 22% lower than those obtained from WR. Average intakes of milk, cheese and other milk products as well as coffee, tea and alcohol were significantly higher when estimated using ORFR than when using WR, while intakes of vegetables, meat and meat products, fish, bread and cereal products as well as number of sweet foods were significantly lower with ORFR. Conclusions: Based on these results, adjustments of some portion sizes in ORFR are suggested. In view of the advantages of ORFR with respect to lower response burden and rapid processing of data, such adjustments would make ORFR a suitable dietary assessment tool for use in dietary surveys, including larger resourcedemanding epidemiological investigations. Keywords: optically readable food record; weighed registration; urine nitrogen; portion sizes (Published: 20 February 2009) Citation: Food & Nutrition Research 2009. DOI: 10.3402/fnr.v53i0.1889 |
| Databáze: | OpenAIRE |
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