Validity of the estimated food diary: comparison of 2-day recorded and observed food and nutrient intakes
We assessed the validity of the estimated food diary by comparing recorded and observed food and nutrient intakes for 121 subjects (71 men and 50 women) aged 15 to 65 years. We obtained observed intake by unobtrusively recording the amounts of foods, preweighed or measured when served, at the four m...
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| Veröffentlicht in: | Journal of the American Dietetic Association 1992-05, Vol.92 (5), p.580-584 |
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| creator | Karvetti, R.L. (Social Insurance Institution, Turku, Finland) Knuts, L.R |
| description | We assessed the validity of the estimated food diary by comparing recorded and observed food and nutrient intakes for 121 subjects (71 men and 50 women) aged 15 to 65 years. We obtained observed intake by unobtrusively recording the amounts of foods, preweighed or measured when served, at the four meals on each of the two study days. At the same time, subjects kept an estimated food diary. In general, the mean food intake recorded in the food diaries deviated from the observed intake by 15% at most. The deviation exceeded 20% for only a few food items. With the exception of calcium (-11%), starch (+10%) and thiamin (+ 8%), there was no difference or only a few percent difference in the means for energy and the 16 nutrients calculated. The validity of the food diary was equally high for men and women in the 15 to 34, 35 to 44, and 45 to 65 age groups. Product-moment correlation coefficients ranged from 0.68 to 0.97 for food intake and from 0.75 to 0.92 for nutrient intake. We conclude that validity is very satisfactory on the group level and is probably acceptable on the individual level |
| doi_str_mv | 10.1016/S0002-8223(21)00680-5 |
| format | Article |
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The validity of the food diary was equally high for men and women in the 15 to 34, 35 to 44, and 45 to 65 age groups. Product-moment correlation coefficients ranged from 0.68 to 0.97 for food intake and from 0.75 to 0.92 for nutrient intake. 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(Social Insurance Institution, Turku, Finland)</creatorcontrib><creatorcontrib>Knuts, L.R</creatorcontrib><title>Validity of the estimated food diary: comparison of 2-day recorded and observed food and nutrient intakes</title><title>Journal of the American Dietetic Association</title><addtitle>J Am Diet Assoc</addtitle><description>We assessed the validity of the estimated food diary by comparing recorded and observed food and nutrient intakes for 121 subjects (71 men and 50 women) aged 15 to 65 years. We obtained observed intake by unobtrusively recording the amounts of foods, preweighed or measured when served, at the four meals on each of the two study days. At the same time, subjects kept an estimated food diary. In general, the mean food intake recorded in the food diaries deviated from the observed intake by 15% at most. The deviation exceeded 20% for only a few food items. With the exception of calcium (-11%), starch (+10%) and thiamin (+ 8%), there was no difference or only a few percent difference in the means for energy and the 16 nutrients calculated. The validity of the food diary was equally high for men and women in the 15 to 34, 35 to 44, and 45 to 65 age groups. Product-moment correlation coefficients ranged from 0.68 to 0.97 for food intake and from 0.75 to 0.92 for nutrient intake. 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At the same time, subjects kept an estimated food diary. In general, the mean food intake recorded in the food diaries deviated from the observed intake by 15% at most. The deviation exceeded 20% for only a few food items. With the exception of calcium (-11%), starch (+10%) and thiamin (+ 8%), there was no difference or only a few percent difference in the means for energy and the 16 nutrients calculated. The validity of the food diary was equally high for men and women in the 15 to 34, 35 to 44, and 45 to 65 age groups. Product-moment correlation coefficients ranged from 0.68 to 0.97 for food intake and from 0.75 to 0.92 for nutrient intake. We conclude that validity is very satisfactory on the group level and is probably acceptable on the individual level</abstract><cop>United States</cop><pub>Elsevier Limited</pub><pmid>1573140</pmid><doi>10.1016/S0002-8223(21)00680-5</doi><tpages>5</tpages></addata></record> |
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| subjects | ABSORCION DE SUBSTANCIAS NUTRITIVAS ABSORPTION DE SUBSTANCES NUTRITIVES Adolescent Adult Diet & nutrition Diet Records Eating Female FEMME FINLANDE FINLANDIA Food HOMBRES HOMME Humans INGESTION DE ALIMENTOS Male Middle Aged MUJERES PRISE ALIMENTAIRE Reproducibility of Results |
| title | Validity of the estimated food diary: comparison of 2-day recorded and observed food and nutrient intakes |
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