Whaley SE, et al. WIC infant food package issuance data are a valid measure of infant feeding practices. J Hum Lact. May 2012;28(2):134-138.
This study investigated whether WIC Infant Food Package Issuance data are a valid source of information about breastfeeding practices. The study concluded that WIC Infant Food Package Issuance data are, indeed, a valid source of information about breastfeeding: Actual breastfeeding practices were in agreement with the type of food package issued. With appropriate funding support, WIC administrative data should be considered for use in nationwide breastfeeding surveillance and monitoring system.