Research
Emerging Science and Translational Applications
The Automated Self-Administered 24-Hour Dietary Recall (ASA24): A Resource for Researchers, Clinicians, and Educators from the National Cancer Institute

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ASA24 System

ASA24 is comprised of two web-based applications, the respondent and researcher websites. The respondent website is used by participants to complete recalls. The researcher website is used by researchers, clinicians, or educators to register, configure, and monitor studies. The researcher website also provides access to nutrient and food group analyses. Both sites require high-speed internet connections and standard computer monitors (not including netbooks or mobile phones) and are compatible

Evaluation

ASA24 is based upon the USDA Automated Multiple-Pass Method (AMPM), which has been validated and shown to accurately estimate mean total energy and protein intakes compared with recovery biomarkers.1, 3 Preliminary examination of output from recalls completed using ASA24 suggests acceptable face validity (ie, energy, nutrient, and food group estimates that are consistent with data from the National Health and Nutrition Examination Survey). To formally evaluate the impact of the change in mode

Conclusions

Adaptation of the interviewer-administered 24HDR to a fully automated tool has the potential to revolutionize dietary assessment by enhancing the feasibility and cost-effectiveness of collection of high-quality dietary data. AS24 is now freely available for use by researchers, clinicians, and educators and is in use in numerous studies in the United States. Future experience and evaluation will reveal its most appropriate uses. Additional information regarding ASA24 can be found on its website.8

A. F. Subar is a nutritionist, National Cancer Institute, Division of Cancer Control and Population Sciences, Applied Research Program, Bethesda, MD.

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A. F. Subar is a nutritionist, National Cancer Institute, Division of Cancer Control and Population Sciences, Applied Research Program, Bethesda, MD.

S. I. Kirkpatrick is a nutritionist, National Cancer Institute, Division of Cancer Control and Population Sciences, Applied Research Program, Bethesda, MD.

F. E. Thompson is an epidemiologist, National Cancer Institute, Division of Cancer Control and Population Sciences, Applied Research Program, Bethesda, MD.

N. Potischman is an epidemiologists, National Cancer Institute, Division of Cancer Control and Population Sciences, Applied Research Program, Bethesda, MD.

G. Willis is a cognitive psychologist, National Cancer Institute, Division of Cancer Control and Population Sciences, Applied Research Program, Bethesda, MD.

B. Mittl is a senior manager, Westat, Rockville, MD.

C. Bingley is a system architect, Westat, Rockville, MD.

T. Palmer Zimmerman is a research nutritionist, Westat, Cleveland, OH.

N. G. Islam is a nutritionist II, Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX.

T. Baranowski is a professor of Pediatrics, US Department of Agriculture/Agricultural Research Service, Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX.

S. McNutt is a nutritionist, Westat, Salt Lake City, UT.

STATEMENT OF POTENTIAL CONFLICT OF INTEREST No potential conflict of interest was reported by the authors.

FUNDING/SUPPORT National Institutes of Health Institutes and Offices providing contract funding for ASA24: National Cancer Institute, National Heart, Lung, and Blood Institute, National Institute for Child Health and Human Development, National Institute for Diabetes and Digestive and Kidney Diseases, and Office of Dietary Supplements.

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