Dietary Assessment Methodology

Thompson, Frances E.; Subar, Amy F.

doi:10.1016/b978-0-12-391884-0.00001-9

Cited by 385 publications

(553 citation statements)

References 492 publications

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“…Valid estimation of habitual nutrient intakes of a population group relies on dietary assessment methods which collect detailed food intake data that are linked to precise food composition data ( 1 , 2 ) . As there is no ‘gold standard’ method of dietary intake assessment, the method chosen largely depends on the research question, population group, available resources, and the foods and nutrients of interest ( 2 , 3 ) .…”

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confidence: 99%

“…As there is no ‘gold standard’ method of dietary intake assessment, the method chosen largely depends on the research question, population group, available resources, and the foods and nutrients of interest ( 2 , 3 ) . In order to characterise the habitual dietary exposures of an adult population group, multiple non-consecutive 24-h dietary recalls may represent a useful tool as they are capable of providing relatively detailed dietary intake data with minimal bias ( 4 – 9 ) .…”

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confidence: 99%

“…The immediacy of the recall period usually enables the participant to successfully recall most of their daily intake and the retrospective nature of the data collection reduces the risk of the participant altering their dietary behaviour. Furthermore, 24-h recalls place relatively little burden on the participant in comparison with prospective methods ( 2 ) .…”

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Development and evaluation of a concise food list for use in a web-based 24-h dietary recall tool

et al. 2017

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Foodbook24 is a self-administered web-based 24-h dietary recall tool developed to assess food and nutrient intakes of Irish adults. This paper describes the first step undertaken in developing Foodbook24 which was to limit participant burden by establishing a concise list of food items for inclusion in the tool. The aim of the present study was to evaluate whether using a concise food list (as opposed to an extensive list) with generic composition data would influence the estimates of nutrient intakes in a nationally representative sample of Irish adults. A 2319-item food list generated from the Irish National Adult Nutrition Survey (NANS) (2008–2010) (n 1500) was used as the basis for a shortened food list for integration into the tool. Foods similar in nutritional composition were recoded with a generic type food code to produce a concise list of 751 food codes. The concise food list was applied to the NANS food consumption dataset and intake estimates of thirty-five nutrients were compared with estimates derived using the original extensive list. Small differences in nutrient intakes (<6 %) with limited effect size (Cohen's d < 0·1) were observed between estimates from both food lists. The concise food list showed strong positive correlations (rs 0·9–1·0, n 1500, P < 0·001) and a high level of agreement with the extensive list (80–97 % of nutrient intakes classified into the same tertile; >90% of intakes similarly categorised according to dietary reference values). This indicates that a concise food list is suitable for use in a web-based 24-h dietary recall tool for Irish adults.

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Development and evaluation of a concise food list for use in a web-based 24-h dietary recall tool

et al. 2017

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“…As with any new mode of assessment, particularly those that are technology based, understanding the sampling biases introduced and respondent reactions is important [6]. Typically, people do not fill out DR because of lack of time and the inconvenience of taking a pad of paper with them wherever they go to eat.…”

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confidence: 99%

“…With the advancement of information and communication technologies, the assessment of dietary intake has received increased attention for large-scale population nutrition research [4,5,6,7,8,9,10]. Despite the availability of novel tools, the usual method of self-monitoring continues to be paper-based dietary records (Paper-DR), which are time-consuming, tedious and inconvenient for study volunteers as well as for dietitians [11,12].…”

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Comparison of Paper- and Web-Based Dietary Records: A Pilot Study

Benedik

Seljak²,

Simčič³

et al. 2014

Ann Nutr Metab

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Background/Aims: Paper-based dietary records (Paper-DR) can be replaced by web-based dietary records (Web-DR) in both epidemiological studies and clinical practice to reduce the time and logistic burden. We aimed to compare Paper-DR and Web-DR. Methods: We compared the matching of different food items (n = 1,103) from Paper-DR and Web-DR for energy and 48 nutrients among 16 pregnant volunteers, with DR for the same individuals matched for the same 4 days. Paper-DR were coded into the web-based version (referred to as Paper-Web-DR) independently by the same research dietitian. The Wilcoxon signed-rank test comparing mean rank differences, Spearman's ρ to measure associations and Bland-Altman limits of agreement to evaluate the level of agreement between the two dietary methods across the range of parameters were used. Volunteers also completed an evaluation questionnaire regarding the user acceptability of Paper-DR and Web-DR. Results: A high correlation between Paper-DR and Web-DR was noted. There were statistically insignificant differences among 45 nutrients, except for free sugars (p < 0.001), α-linolenic acid (p = 0.041), folate (p = 0.036) and pantothenic acid (p = 0.023). Volunteers found the Paper-DR equally time-consuming as the Web-DR. The majority of the volunteers (75%) preferred the Web-DR. Conclusions: Paper-DR and Web-DR were comparable across a range of nutritional parameters, with a few exceptions. The Web-DR was more convenient for the majority and has substantial logistic and cost advantages.

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