This study uses calendar year 2011 point-of-sale transaction data from a leading grocery retailer to examine the food choices of SNAP and non-SNAP households . On average, each month's transaction data contained over 1 billion records of food items bought by 26.5 million households in 127 million unique transactions.

The WIC Nutrition Education Study (NEST) provides detailed information on WIC nutrition education services and includes the following two phases:

-- Phase I: Comprehensive nationally representative description of WIC nutrition education processes and features.

-- Phase II: Pilot study of the impact of WIC nutrition education on nutrition and other behaviors in six WIC sites.

This report presents the Phase I results of the study.

This report assesses that pilot and includes a qualitative evaluation of the vendor and ITO experiences and an assessment of pilot costs.