Computer based system for assessing dietary intake
نویسندگان
چکیده
منابع مشابه
Validation of a computer based system for assessing dietary intake.
Dietary intake was assessed in 50 patients in hospital by using a dietary history method and computer based system for data collection and standard food tables to calculate the composition of nutrients. The results were compared with those from a weighed assessment that was calculated by using both food tables and manufacturers' food analyses. The use of the food tables overestimated mean (SEM)...
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Reducing the concentration of polyamines (spermine, spermidine, and putrescine) in the body pool may slow the cancer process. Because dietary spermine, spermidine, and putrescine contribute to the body pool of polyamines, quantifying them in the diet is important. Limited information about polyamine content of food is available, especially for diets in the United States. This brief report descr...
متن کاملAssessing dietary intake: Who, what and why of under-reporting.
Under-reporting of food intake is one of the fundamental obstacles preventing the collection of accurate habitual dietary intake data. The prevalence of under-reporting in large nutritional surveys ranges from 18 to 54% of the whole sample, but can be as high as 70% in particular subgroups. This wide variation between studies is partly due to different criteria used to identify under-reporters ...
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As metabolic analysis under the stress of exercise expands its horizons beyond the assessment of maximal oxygen intake, a more versatile system than the cumbersome Douglas bag apparatus is warranted. With the advent of continuous observation of energy demands of submaximal work over extended periods (Costill, Kammer, and Fisher, 1970; Costill et al., 1971), a method is required that is convenie...
متن کاملPictogram-based method of visualizing dietary intake.
BACKGROUND Pictograms have been shown by many studies to be an effective way of conveying information. An easy-to-understand pictorial description is essential for communication of dietary intake in the computer era. OBJECTIVES We proposed a novel approach that represents textual descriptions of dietary intake into a pictorial representation with the concept of pictograms. The computational i...
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ژورنال
عنوان ژورنال: BMJ
سال: 1987
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.295.6601.785-c