Analysis began July 2018.Įxposures Whether pregnant women received the revised WIC package, which included more whole grains, fruit, vegetables, and low-fat milk. This study was conducted using linked birth certificate and hospital discharge data from California from January 2007 to December 2012. Multivariable linear regressions were adjusted for sociodemographic covariates. Objective To investigate whether the revised WIC food package improved perinatal and birth outcomes among recipients.ĭesign, Setting, and Participants We conducted a quasi-experimental difference-in-differences analysis, comparing WIC recipients (the treatment group) before and after the package revisions while accounting for temporal trends among nonrecipients (the control group). No studies have investigated the downstream effects of this revision on maternal and infant health. ![]() In October 2009, the WIC food package underwent revisions to improve nutritional content. Importance The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) serves more than one-quarter of pregnant and postpartum women. Shared Decision Making and Communication.Scientific Discovery and the Future of Medicine. ![]()
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