1a.Objectives (from AD-416):
A mission critical component of nutrition monitoring conducted by USDA is the collection, processing, and dissemination of nationwide dietary survey data in two-year updates in collaboration with the National Center for Health Statistics (NCHS). The work includes the collection of 24-hour dietary recalls by trained dietary interviewers and coding of dietary recall data by coders on a sample of approximately 5,000 individuals each year. This agreement provides partial resources for the collection and coding of dietary recalls for What We Eat In America, NHANES.
1b.Approach (from AD-416):
The work includes the collection of 24-hour dietary recalls by trained dietary interviewers and coding of dietary recall data by coders on a sample of approximately 5,000 individuals each year. The data collection for Day 1 is conducted across the country at various sampling locations in the NHANES Mobile Examination Centers. For Day 2, data collection is conducted by telephone at the Westat Telephone Center located in Rockville, MD. Coding of the dietary recall data is conducted at the Westat office located in Rockville, MD.
This agreement is to provide partial resources needed for the 2011-2012 collection period of What We Eat In America, National Health and Nutrition Examination Survey (WWEIA, NHANES). Collection of two days of 24-hour dietary recalls on a national sample of 5,000 individuals of all ages, as part of the 2011 National Health and Nutrition Exmination Survey, was completed. Collection in 2012 on a separate national sample of 5,000 individuals is underway. Completion of the 2012 collection is on schedule and will be realized at the end of December 2012.