Multiple 24-hour dietary recalls (24hdr) are the preferred method in assessing habitual dietary intake because they provide: the most accurate data, estimates of actual intake (as opposed to relative ranking), details on meal and snack consumption, day-of-week consumption, and other correlates of dietary intake (e.g. source of foods, location of eating, who was present during the eating event). Unfortunately, widespread use of 24hdr methods is limited due to the high cost of certified dietitians performing in-person, one-on-one recall sessions and expensive computer-based systems to assist the dietitians. Most current 24hdr methods used with children are also limited by relying on text descriptions of foods and food portions instead of pictures. FIRSSt2 (Food Intake Recording Software System, version 2) was a low-cost, picture- based, computerized 24hdr system targeted to children for quantifying just fruit and vegetable intake. FIRSSt2's promising results eliminated the need for one-on-one dietitian interviews and more expensive dietary assessment software. We have initiated creation of FIRSSt4. FIRSSt4 advances beyond FIRSSt2 in many ways, including 9000+ photographs of foods in progressively larger portion sizes and animated avatars to guide children through the experience. There are several questions that need to be answered to optimize the effectiveness of FIRSSt4:1) How well do children categorize foods into provided categories? Are there ages below which food categorization schemes substantially differ? 2) What should the screen size be for food related plates, utensils and foods? 3) What is an optimal food search strategy? and 4) What is an optimal approach to food portion estimation? This grant application proposes to do four formative research projects to answer these questions, complete FIRSSt4 based on what was learned from the formative research and validate the resulting FIRSSt4 program. Public Health: FIRSSt4 will be a computerized method for conducting 24 hour dietary recalls with children that will be at least the quality of 24 hour dietary recalls conducted by dietitians, but much lower cost per recall (due to not needing expensive dietitians to conduct the recalls). Increased use of inexpensive dietary assessment tools will be invaluable as part of genetic or disparities research with children, when multiple days of assessment are possible.

Agency
National Institute of Health (NIH)
Institute
National Cancer Institute (NCI)
Type
Research Project--Cooperative Agreements (U01)
Project #
5U01CA130762-04
Application #
7897892
Study Section
Special Emphasis Panel (ZCA1-SRRB-U (M1))
Program Officer
Reedy, Jill
Project Start
2007-08-10
Project End
2012-07-31
Budget Start
2010-08-01
Budget End
2012-07-31
Support Year
4
Fiscal Year
2010
Total Cost
$525,760
Indirect Cost
Name
Baylor College of Medicine
Department
Pediatrics
Type
Schools of Medicine
DUNS #
051113330
City
Houston
State
TX
Country
United States
Zip Code
77030
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Lu, A S; Baranowski, J; Islam, N et al. (2014) How to engage children in self-administered dietary assessment programmes. J Hum Nutr Diet 27 Suppl 1:5-9
Douglass, Deirdre; Islam, Noemi; Baranowski, Janice et al. (2013) Simulated adaptations to an adult dietary self-report tool to accommodate children: impact on nutrient estimates. J Am Coll Nutr 32:92-7
Baranowski, Tom; Islam, Noemi; Baranowski, Janice et al. (2012) Comparison of a Web-based versus traditional diet recall among children. J Acad Nutr Diet 112:527-32
Baranowski, Tom; Baranowski, Janice C; Watson, Kathleen B et al. (2011) Children's accuracy of portion size estimation using digital food images: effects of interface design and size of image on computer screen. Public Health Nutr 14:418-25
Baranowski, Tom; Beltran, Alicia; Martin, Shelby et al. (2010) Tests of the accuracy and speed of categorizing foods into child vs professional categories using two methods of browsing with children. J Am Diet Assoc 110:91-4
Beltran, Alicia; Knight Sepulveda, Karina; Watson, Kathy et al. (2008) Mixed foods are similarly categorized by 8-13 year old children. Appetite 50:316-24
Beltran, Alicia; Knight Sepulveda, Karina; Watson, Kathy et al. (2008) Diverse food items are similarly categorized by 8- to 13-year-old children. J Nutr Educ Behav 40:149-59