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Title:   Author  item
                                            Anand, Jaswinderitem
                                            Goldman, Josephitem
                                            Steinfeldt, Loisitem
                                            Montville, Janiceitem
                                            Heendeniya, Kaushalyaitem
                                            Omolewa-Tomobi, Graceitem
                                            Enns, Ceciliaitem
                                            Ahuja, Jaspreetitem
                                            Martin, Carrieitem
                                            Lacomb, Randyitem
                                            Moshfegh, Alanna
  Submitted to: Worldwide Web Site: Food Surveys Research Group
                                    Publication Type: Review Article
                                    Publication Acceptance Date: 6/6/2012
                                    Publication  Date: 7/18/2012
                                    Citation: Anand, J., Goldman, J.D., Steinfeldt, L.C., Montville, J.B., Heendeniya, K.Y., Omolewa-Tomobi, G., Enns, C.W., Ahuja, J.K., Martin, C.L., LaComb, R.P., Moshfegh, A.J. 2012. What We Eat In America, NHANES 2009-2010: Documentation and Data Files. Worldwide Web Site: Food Surveys Research Group. Available: http://www.ars.usda.gov/Services/docs.htm?docid=18349Interpretive Summary: High quality and timely data are needed on dietary intakes of the American population.  New nationwide dietary intake data were collected in the integrated survey What We Eat In America (WWEIA), National Health and Nutrition Examination Survey (NHANES) for the years 2009-2010 and are now available for public use on the Internet.  The data include information on dietary intakes of 9,754 individuals from two nonconsecutive 24-hour dietary recalls along with sample weights that can be used to calculate intake estimates representative of the U.S. population.  These data are used by Federal and State-level decision makers and researchers in such tasks as monitoring the nutritional adequacy of U.S. diets, measuring the impact of food fortification on nutrient intakes, estimating exposure of population groups to contaminants, developing dietary guidance and related programs, evaluating the nutritional impact of USDA food assistance programs, and assessing the demand for agricultural products.  Linked with health indicators from other components of NHANES, these data provide opportunities to study relationships between eating patterns and health conditions.  Information about WWEIA, NHANES, with links to relevant methodology (interview method and database) are available at http://www.ars.usda.gov/ba/bhnrc/fsrg.  The WWEIA, NHANES 2009-2010 dietary interview data and related files are available at
http://www.cdc.gov/nchs/nhanes/nhanes2009-2010/nhanes09_10.htm.
                                Technical Abstract: New nationwide dietary intake data were collected in What We Eat In America (WWEIA), National Health and Nutrition Examination Survey (NHANES) for the years 2009-2010 and are now available for public use.  Two days of dietary intake data are included for most participants.  The dietary interview data are in two types of files for each day of intake:  the Total Nutrient Intakes Files and the Individual Foods Files.  The Individual Foods Files contain information about each food eaten by a respondent (interview day of week, eating occasion name and time of day, food code, where obtained, whether eaten at home or not, combination code, amount eaten in grams, and amounts of energy and 64 nutrients/food components).  The Total Nutrient Intakes Files contain, for each participant, daily aggregates of energy and nutrients/food components and information about water intakes.  Information on salt use and whether the participant is on a diet to lose weight or for another health-related reason is also included for all participants, and frequency of fish and shellfish consumption is provided for selected age-sex groups.  The documentation files give a brief overview of WWEIA, NHANES and include information on what has changed since WWEIA, NHANES 2005-2006 to 2009-2010, the contents of the data files, eligibility and exclusion criteria of sampled participants, the examination protocol, quality control procedures, data processing and editing, and analytic notes including guidance on weights designed specifically for dietary recall data.  Information about WWEIA, NHANES, with links to relevant methodology (interview method and database), are available at http://www.ars.usda.gov/ba/bhnrc/fsrg.  The WWEIA, NHANES 2009-2010 dietary interview data and related files are available at http://www.cdc.gov/nchs/nhanes/nhanes2009-2010/nhanes09_10.htm.


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