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.

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