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Grant Details

Grant Number: 5R01CA105048-05 Interpret this number
Primary Investigator: Arab, Lenore
Organization: University Of California Los Angeles
Project Title: Validation of Web-Based Multimedia Dietary Assessment Tools
Fiscal Year: 2010


Abstract

There is an increasing demand for low cost and accurate methods to measure dietary intake and physica activity in epidemiologic studies. This proposal requests funds to examine the precision of two new dietar assessment tool, the Computer-Assisted Self-Interview Diet History (CASI-DH), which is modeled after th strengths of the diet history, one of the strongest dietary assessment approaches and ana fully automate multimedia 24 hour recall: DIETDAY. The CASI-DH is a web-based, self-interview approach that is meal- audio-, and food picture-based; generates nutrient and food intake estimates; has an extensive componen to assess dietary supplement use and provides feedback to help people adopt more healthful dietary habits It differs in many significant ways from food frequency questionnaires in that it is fully quantitative, include thousands of foods, is meal-based, and does not truncate foods or frequencies of consumption. Th objective of the validation study proposed here is to test how accurately these new tools capture usual die by comparing self-reported nutrient and food intakes obtained through the CASI-DH and using the DIETDA to objective validation biomarkers in a sample of 150 African American and 150 Caucasian adults Specifically, we aim to examine the validity of both instruments for intakes of nutrients (total energy, protein and potassium), vegetables and fruits and supplement use by using doubly labeled water for total energy 24-hour urinary nitrogen for protein; urinary potassium for dietary potassium; and blood levels of nutrient (carotenoids and tocopherols) for fruits, vegetables, and nutritional supplement use. A number of secondar aims will also be pursued, including validation of two physical activity questionnaires and two differen accelerometry approaches to DLW. To study the reproducibility of the CASI-DH, DIETDAY and DLW, repea measures will be conducted on a subset of 100 persons 6 months apart. Due to its low cost, the languag independence of the system, and the reliance on images for accurate communication, the CASI-DH an DIETDAY present unique opportunities for epidemiologic research in various populations for assessment o complex dietary exposures. Successful validation of either the CASI-DH or the DIETDAY will represen important methodological advances in nutritional epidemiology.Theepidemiology. The study will als contribute to our confidence in these dietary and activity assessment instruments in multiracial populations.



Publications

Short sleep duration is associated with higher energy intake and expenditure among African-American and non-Hispanic white adults.
Authors: Patterson R.E. , Emond J.A. , Natarajan L. , Wesseling-Perry K. , Kolonel L.N. , Jardack P. , Ancoli-Israel S. , Arab L. .
Source: The Journal of nutrition, 2014 Apr; 144(4), p. 461-6.
EPub date: 2014-02-12.
PMID: 24523490
Related Citations

Using doubly labeled water to validate associations between sugar-sweetened beverage intake and body mass among White and African-American adults.
Authors: Emond J.A. , Patterson R.E. , Jardack P.M. , Arab L. .
Source: International journal of obesity (2005), 2014 Apr; 38(4), p. 603-9.
EPub date: 2013-07-19.
PMID: 23867782
Related Citations

Timing of energy intake during the day is associated with the risk of obesity in adults.
Authors: Wang J.B. , Patterson R.E. , Ang A. , Emond J.A. , Shetty N. , Arab L. .
Source: Journal of human nutrition and dietetics : the official journal of the British Dietetic Association, 2014 Apr; 27 Suppl 2, p. 255-62.
EPub date: 2013-06-27.
PMID: 23808897
Related Citations

Urinary α-carboxyethyl hydroxychroman can be used as a predictor of α-tocopherol adequacy, as demonstrated in the Energetics Study.
Authors: Lebold K.M. , Ang A. , Traber M.G. , Arab L. .
Source: The American journal of clinical nutrition, 2012 Oct; 96(4), p. 801-9.
EPub date: 2012-09-05.
PMID: 22952171
Related Citations

Dietary intake associated with serum versus urinary carboxymethyl-lysine, a major advanced glycation end product, in adults: the Energetics Study.
Authors: Semba R.D. , Ang A. , Talegawkar S. , Crasto C. , Dalal M. , Jardack P. , Traber M.G. , Ferrucci L. , Arab L. .
Source: European journal of clinical nutrition, 2012 Jan; 66(1), p. 3-9.
EPub date: 2011-07-27.
PMID: 21792213
Related Citations

Validity of a multipass, web-based, 24-hour self-administered recall for assessment of total energy intake in blacks and whites.
Authors: Arab L. , Tseng C.H. , Ang A. , Jardack P. .
Source: American journal of epidemiology, 2011-12-01; 174(11), p. 1256-65.
EPub date: 2011-10-20.
PMID: 22021561
Related Citations

Feasibility testing of an automated image-capture method to aid dietary recall.
Authors: Arab L. , Estrin D. , Kim D.H. , Burke J. , Goldman J. .
Source: European journal of clinical nutrition, 2011 Oct; 65(10), p. 1156-62.
EPub date: 2011-05-18.
PMID: 21587282
Related Citations

Racial differences in correlations between reported dietary intakes of carotenoids and their concentration biomarkers.
Authors: Arab L. , Cambou M.C. , Craft N. , Wesseling-Perry K. , Jardack P. , Ang A. .
Source: The American journal of clinical nutrition, 2011 May; 93(5), p. 1102-8.
EPub date: 2011-03-09.
PMID: 21389177
Related Citations

Eight self-administered 24-hour dietary recalls using the Internet are feasible in African Americans and Whites: the energetics study.
Authors: Arab L. , Wesseling-Perry K. , Jardack P. , Henry J. , Winter A. .
Source: Journal of the American Dietetic Association, 2010 Jun; 110(6), p. 857-64.
PMID: 20497774
Related Citations

Using the web for recruitment, screen, tracking, data management, and quality control in a dietary assessment clinical validation trial.
Authors: Arab L. , Hahn H. , Henry J. , Chacko S. , Winter A. , Cambou M.C. .
Source: Contemporary clinical trials, 2010 Mar; 31(2), p. 138-46.
EPub date: 2009-11-24.
PMID: 19925884
Related Citations




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