Rudd Center for Food Policy and Obesity, Yale University, New Haven, CT 06520-8369, USA.
Pediatrics. 2013 May;131(5):919-27. doi: 10.1542/peds.2012-3471. Epub 2013 Apr 29.
In 2009, the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) implemented revisions to the composition and quantities of WIC food packages. Juice allowances were reduced by approximately half. This report describes changes in purchases of 100% juice and other beverages among WIC participants after the WIC revisions.
Scanner data from a New England supermarket chain were used to assess juice and other beverage purchases among 2137 WIC-participating households during a 2-year period (N = 36 051 household-months). Purchased beverage amounts were compared before (January-September 2009) and after (January-September 2010) implementation of the revised WIC packages. Generalized estimating equation models were used.
Before the revisions, WIC juice accounted for two-thirds of purchased juice volume among WIC households. After implementation of the revisions, WIC juice purchases were reduced on par with allowance changes (43.5% of juice volume, 95% confidence interval [CI] 41.9%-45.1%). This reduction was only partly compensated for by an increase of 13.6% (8.4%-19.0%) in juice purchases using personal and other non-WIC funds. In total, juice purchases declined by 23.5% (21.4%-25.4%) from an adjusted monthly total of 238 oz to 182 oz per household. WIC households increased purchases of fruit drinks by 20.9% (14.9%-27.3%) and other noncarbonated beverages by 21.3% (12.1%-31.2%) but purchased 12.1% (8.1%-15.0%) less soft drinks.
After the WIC revisions, total purchases of 100% juice among WIC households declined by about a quarter, with little compensation occurring from non-WIC funds for juice and other beverages. The public health impact of the shift in beverage purchase patterns could be significant.
2009 年,特别补充营养计划妇女、婴儿和儿童(WIC)对 WIC 食品包的组成和数量进行了修订。果汁津贴减少了近一半。本报告描述了 WIC 修订后 WIC 参与者购买 100%纯果汁和其他饮料的变化。
使用新英格兰连锁超市的扫描仪数据,在两年期间(N = 36051 户/月)评估了 2137 户 WIC 参与家庭的果汁和其他饮料购买情况。比较了修订后的 WIC 套餐实施前后(2009 年 1 月至 9 月和 2010 年 1 月至 9 月)购买的饮料量。使用广义估计方程模型。
在修订之前,WIC 果汁占 WIC 家庭购买果汁量的三分之二。实施修订后,WIC 果汁购买量与津贴变化相匹配(果汁量的 43.5%,95%置信区间[CI]41.9%-45.1%)。这一减少仅部分被个人和其他非 WIC 资金购买果汁量增加 13.6%(8.4%-19.0%)所弥补。总的来说,果汁购买量从调整后的每月总量 238 盎司下降到 182 盎司/户,下降了 23.5%(21.4%-25.4%)。WIC 家庭增加了水果饮料的购买量 20.9%(14.9%-27.3%)和其他非碳酸饮料的购买量 21.3%(12.1%-31.2%),但减少了软饮料的购买量 12.1%(8.1%-15.0%)。
WIC 修订后,WIC 家庭购买 100%纯果汁的总量下降了约四分之一,而非 WIC 资金对果汁和其他饮料的购买量几乎没有补偿。购买模式转变对公共卫生的影响可能是显著的。