OBJECTIVES: We present infant feeding data before and after the 2009 Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) food package change that supported and incentivized breastfeeding. We describe the key role of California WIC staff in supporting these policy changes. METHODS: We analyzed WIC data on more than 180,000 infants in Southern California. We employed the analysis of variance and Tukey (honestly significant difference) tests to compare issuance rates of postpartum and infant food packages before and after the changes. We used analysis of covariance to adjust for poverty status changes as a potential confounder. RESULTS: Issuance rates of the "fully breastfeeding" package at infant WIC enrollment increased by 86% with the package changes. Rates also increased significantly for 2- and 6-month-old infants. Issuance rates of packages that included formula decreased significantly. All outcomes remained highly significant in the adjusted model. CONCLUSIONS: Policy changes, training of front-line WIC staff, and participant education influenced issuance rates of WIC food packages. In California, the issuance rates of packages that include formula have significantly decreased and the rate for those that include no formula has significantly increased.
OBJECTIVES: We present infant feeding data before and after the 2009 Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) food package change that supported and incentivized breastfeeding. We describe the key role of California WIC staff in supporting these policy changes. METHODS: We analyzed WIC data on more than 180,000 infants in Southern California. We employed the analysis of variance and Tukey (honestly significant difference) tests to compare issuance rates of postpartum and infant food packages before and after the changes. We used analysis of covariance to adjust for poverty status changes as a potential confounder. RESULTS: Issuance rates of the "fully breastfeeding" package at infant WIC enrollment increased by 86% with the package changes. Rates also increased significantly for 2- and 6-month-old infants. Issuance rates of packages that included formula decreased significantly. All outcomes remained highly significant in the adjusted model. CONCLUSIONS: Policy changes, training of front-line WIC staff, and participant education influenced issuance rates of WIC food packages. In California, the issuance rates of packages that include formula have significantly decreased and the rate for those that include no formula has significantly increased.
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